{"id":9328,"date":"2026-08-05T11:18:39","date_gmt":"2026-08-05T02:18:39","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=9328"},"modified":"2026-08-05T23:35:26","modified_gmt":"2026-08-05T14:35:26","slug":"%ed%91%9c%ec%a4%80-%eb%b0%8f-%ec%8a%b9%ec%9d%b8-9%ec%9e%a5","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/%ed%91%9c%ec%a4%80-%eb%b0%8f-%ec%8a%b9%ec%9d%b8-9%ec%9e%a5\/","title":{"rendered":"\ud45c\uc900 \ubc0f \uc2b9\uc778, control valve handbook, 9\uc7a5"},"content":{"rendered":"\n<!-- WordPress\uc758 '\uc0ac\uc6a9\uc790 \uc815\uc758 HTML' \ube14\ub85d\uc5d0 \ubd99\uc5ec\ub123\uc73c\uc2ed\uc2dc\uc624.\n<html>, <head>, <body> \ud0dc\uadf8\ub294 \ud3ec\ud568\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. -->\n<style>\n.cv9-wrap{max-width:1100px;margin:0 auto;color:#1f2937;font-family:\"Noto Sans KR\",\"Noto Sans\",Arial,sans-serif;font-size:17px;line-height:1.75;word-break:keep-all}\n.cv9-wrap *{box-sizing:border-box}.cv9-wrap h1,.cv9-wrap h2,.cv9-wrap h3{color:#194674;line-height:1.35}\n.cv9-wrap h1{margin:0 0 8px;font-size:2.05rem;text-align:center}.cv9-wrap h2{margin:46px 0 18px;padding-bottom:8px;border-bottom:2px solid #194674;font-size:1.5rem}\n.cv9-wrap h3{margin:28px 0 10px;font-size:1.18rem}.cv9-wrap p{margin:10px 0}.cv9-meta{margin:0 0 30px;color:#5b6470;text-align:center}\n.cv9-toc{margin:24px 0 34px;padding:18px 24px;background:#f8fafc;border:1px solid #dbe3ec;border-radius:8px}.cv9-toc ol{margin:8px 0 0;padding-left:1.3rem;columns:2;column-gap:30px}.cv9-toc li{break-inside:avoid;margin:4px 0}.cv9-toc a{color:#194674;text-decoration:none}\n.cv9-box{margin:20px 0;padding:18px 20px;border:1px solid;border-radius:8px}.cv9-box-title{display:block;margin-bottom:8px}.cv9-key{background:#eaf3fb;border-color:#194674}.cv9-solution{background:#edf8f0;border-color:#286e41}.cv9-note{background:#fff9e0;border-color:#b7791f}.cv9-warning{background:#fdeeee;border-color:#c53030}.cv9-story{background:#f5f6f7;border-color:#6b7280}\n.cv9-eq{margin:18px 0;padding:14px 18px;overflow-x:auto;border:1px solid #cbd5e1;border-radius:7px;background:#f8fafc;font-family:\"Times New Roman\",serif;font-size:1.05rem;text-align:center}\n.cv9-eq .line{display:block;margin:4px 0}.cv9-flow{padding-left:1.5rem}.cv9-flow li{margin:8px 0;padding:9px 12px;border-left:4px solid #194674;background:#eef5fb}\n.cv9-table-wrap{width:100%;margin:18px 0 26px;overflow-x:auto}.cv9-wrap table{width:100%;min-width:680px;border-collapse:collapse;font-size:.94rem}.cv9-wrap th,.cv9-wrap td{padding:10px 12px;border:1px solid #cbd5e1;vertical-align:top;text-align:left}.cv9-wrap th{background:#eaf3fb;color:#163b61}.cv9-wrap ul,.cv9-wrap ol{padding-left:1.45rem}.cv9-wrap li{margin:5px 0}.cv9-code{display:inline-block;padding:4px 8px;border:1px solid #cbd5e1;border-radius:5px;background:#f8fafc;font-family:Consolas,monospace}\n@media(max-width:700px){.cv9-wrap{font-size:16px}.cv9-wrap h1{font-size:1.65rem}.cv9-toc ol{columns:1}}\n<\/style>\n<div class=\"cv9-wrap\">\n<h1>Control Valve Handbook Chapter 9<br>\uc81c\uc5b4\ubc38\ube0c \ud45c\uc900 \ubc0f \uc704\ud5d8\uc7a5\uc18c \uc2b9\uc778<\/h1>\n<p class=\"cv9-meta\">\ud604\ud589 \uad6d\uc81c\ud45c\uc900 \uae30\ubc18 \uc7ac\uad6c\uc131 \u00b7 2026\ub144 8\uc6d4 5\uc77c \ud655\uc778 \uae30\uc900<\/p>\n<nav class=\"cv9-toc\"><strong>\ubaa9\ucc28<\/strong><ol>\n<li><a href=\"#cv9-purpose\">\ubb38\uc11c \ubaa9\uc801\uacfc \uc801\uc6a9 \ubc94\uc704<\/a><\/li><li><a href=\"#cv9-story\">\ud558\ub098\uc758 \uc81c\uc5b4\ubc38\ube0c\uac00 \uc2b9\uc778\ub418\ub294 \uc774\uc57c\uae30<\/a><\/li>\n<li><a href=\"#cv9-terms\">\ud45c\uc900, Code, \ubc95\ub839 \ubc0f \uc778\uc99d\uc758 \uad6c\ubd84<\/a><\/li><li><a href=\"#cv9-step1\">1\ub2e8\uacc4: \uc555\ub825\uacbd\uacc4\uc640 \uae30\uacc4\uc801 \uac74\uc804\uc131<\/a><\/li>\n<li><a href=\"#cv9-step2\">2\ub2e8\uacc4: \uc81c\uc5b4\ubc38\ube0c \uae30\ub2a5\uacfc \uc131\ub2a5<\/a><\/li><li><a href=\"#cv9-step3\">3\ub2e8\uacc4: \ub0b4\ubd80\ub204\uc124\uacfc \uc678\ubd80\ub204\uc124<\/a><\/li>\n<li><a href=\"#cv9-step4\">4\ub2e8\uacc4: \ubd80\uc2dd\uacfc Sour Service \uc7ac\uc9c8<\/a><\/li><li><a href=\"#cv9-step5\">5\ub2e8\uacc4: \uc704\ud5d8\uc7a5\uc18c \ubd84\ub958<\/a><\/li>\n<li><a href=\"#cv9-step6\">6\ub2e8\uacc4: Equipment Group, EPL \ubc0f \uc628\ub3c4\ub4f1\uae09<\/a><\/li><li><a href=\"#cv9-step7\">7\ub2e8\uacc4: \uc804\uae30\uc7a5\ube44 \ubcf4\ud638\ubc29\uc2dd<\/a><\/li>\n<li><a href=\"#cv9-step8\">8\ub2e8\uacc4: \ube44\uc804\uae30 \uc7a5\ube44\uc758 \uc810\ud654\uc704\ud5d8<\/a><\/li><li><a href=\"#cv9-step9\">9\ub2e8\uacc4: \uc778\uc99d\uccb4\uacc4\uc640 \uba85\ud310<\/a><\/li>\n<li><a href=\"#cv9-nameplate\">\uba85\ud310 \ud574\ub3c5 \uc0ac\ub840<\/a><\/li><li><a href=\"#cv9-xu\">\uc778\uc99d\uc11c \uae30\ud638 X\uc640 U<\/a><\/li>\n<li><a href=\"#cv9-step10\">10\ub2e8\uacc4: \uc124\uce58, \ucd08\uae30\uac80\uc0ac, \uc815\uae30\uac80\uc0ac \ubc0f \uc218\ub9ac<\/a><\/li><li><a href=\"#cv9-ip\">IP\u00b7NEMA \uc678\ud568\ub4f1\uae09\uacfc \ubc29\ud3ed\uc758 \ucc28\uc774<\/a><\/li>\n<li><a href=\"#cv9-standards\">\ud604\ud589 \uc8fc\uc694 \ud45c\uc900 \uae30\uc900\ud45c<\/a><\/li><li><a href=\"#cv9-checklist\">\ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591\uc11c \uc791\uc131 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/a><\/li>\n<li><a href=\"#cv9-misunderstanding\">\uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \uc624\ud574<\/a><\/li><li><a href=\"#cv9-conclusion\">\uae30\uc220\uc0ac \ub2f5\uc548\uc6a9 \uacb0\ub860<\/a><\/li>\n<\/ol><\/nav>\n<h2 id=\"cv9-purpose\">\ubb38\uc11c \ubaa9\uc801\uacfc \uc801\uc6a9 \ubc94\uc704<\/h2>\n<p>\uc81c\uc5b4\ubc38\ube0c\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc740 \ud558\ub098\uc758 \uc778\uc99d\uc11c\ub85c \uacb0\uc815\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<p>\ubc38\ube0c \ubcf8\uccb4\ub294 \uc555\ub825\uacfc \uc628\ub3c4\ub97c \uacac\ub38c\uc57c \ud55c\ub2e4. \ud2b8\ub9bc\uc740 \uc694\uad6c \uc720\ub7c9\uacfc \uc81c\uc5b4\ud2b9\uc131\uc744 \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4. \ud328\ud0b9\uacfc \uc2dc\ud2b8\ub294 \uc694\uad6c \ub204\uc124\uc131\ub2a5\uc744 \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4. \uc804\uae30\u00b7\uc804\uc790 \ubd80\uc18d\uae30\uae30\ub294 \uc704\ud5d8\uc7a5\uc18c\uc5d0\uc11c \uc810\ud654\uc6d0\uc774 \ub418\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4. \uc124\uce58\uc640 \uc815\ube44 \ud6c4\uc5d0\ub3c4 \uc124\uacc4 \ub2f9\uc2dc\uc758 \uc801\ud569\uc131\uc774 \uc720\uc9c0\ub418\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n<div class=\"cv9-box cv9-key\"><strong class=\"cv9-box-title\">\ud575\uc2ec<\/strong><div class=\"cv9-eq\"><span class=\"line\">\uc81c\uc5b4\ubc38\ube0c \uc801\ud569\uc131 = \uc555\ub825\uacbd\uacc4 \uac74\uc804\uc131 + \uc81c\uc5b4\uc131\ub2a5<\/span><span class=\"line\">+ \ub204\uc124\u00b7\uc7ac\uc9c8 \uc801\ud569\uc131 + \ubc29\ud3ed \uc801\ud569\uc131<\/span><span class=\"line\">+ \uc124\uce58\u00b7\uac80\uc0ac\u00b7\uc815\ube44 \uc801\ud569\uc131<\/span><\/div><\/div>\n<p>\ubcf8 \ubb38\uc11c\ub294 \uae30\uc874 Chapter 9\uc758 \ud45c\uc900\uae30\uad00\uacfc \ubc29\ud3ed\uc6a9\uc5b4\ub97c \uc2e4\uc81c \uc81c\uc5b4\ubc38\ube0c\uc758 \uc124\uacc4\u00b7\uad6c\ub9e4\u00b7\uc124\uce58\u00b7\uc6b4\uc804 \ud750\ub984\uc5d0 \ub9de\uac8c \uc7ac\uad6c\uc131\ud55c\ub2e4.<\/p>\n<div class=\"cv9-box cv9-warning\"><strong class=\"cv9-box-title\">\uacbd\uace0<\/strong><p>\ud45c\uc900\uc758 \ubc1c\ud589\ud310\uacfc \ubc95\uc801 \uc801\uc6a9 \uc5ec\ubd80\ub294 \ubcc0\uacbd\ub420 \uc218 \uc788\ub2e4. \uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uacc4\uc57d\uc77c\uc744 \uae30\uc900\uc73c\ub85c \ub2e4\uc74c\uc744 \ub2e4\uc2dc \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p><ul><li>\uc124\uce58\uad6d\uac00\uc758 \ubc95\ub839\uacfc \uac15\uc81c\uc778\uc99d<\/li><li>\ubc1c\uc8fc\ucc98 \ubc0f \ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591<\/li><li>\uc801\uc6a9 Code\uc640 \ud45c\uc900\uc758 Edition<\/li><li>\uc778\uc99d\uc11c\uc758 \uc801\uc6a9\ubc94\uc704\uc640 \ud2b9\ubcc4 \uc0ac\uc6a9\uc870\uac74<\/li><\/ul><\/div>\n<h2 id=\"cv9-story\">\ud558\ub098\uc758 \uc81c\uc5b4\ubc38\ube0c\uac00 \uc2b9\uc778\ub418\ub294 \uc774\uc57c\uae30<\/h2>\n<div class=\"cv9-box cv9-story\"><strong class=\"cv9-box-title\">\uac00\uc815\ud55c \ud504\ub85c\uc81d\ud2b8 \uc870\uac74<\/strong><p>\uc11d\uc720\ud654\ud559 \ud50c\ub79c\ud2b8\uc5d0 \ub2e4\uc74c \uc81c\uc5b4\ubc38\ube0c\ub97c \uc124\uce58\ud55c\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4.<\/p><ul><li>\uc720\uccb4: \uac00\uc5f0\uc131 \ud0c4\ud654\uc218\uc18c<\/li><li>\uc124\uacc4\uc555\ub825: 80 bar<\/li><li>\uc124\uacc4\uc628\ub3c4: 250 \u2103<\/li><li>\uc694\uad6c \uc720\ub7c9: \ucd5c\uc18c\u00b7\uc815\uc0c1\u00b7\ucd5c\ub300 \uc720\ub7c9<\/li><li>Seat Leakage: Class IV<\/li><li>\uc678\ubd80\ub204\uc124: \uc800\ube44\uc0b0\ubc30\ucd9c \uc694\uad6c<\/li><li>\uc124\uce58\uc7a5\uc18c: Zone 1<\/li><li>\uac00\uc2a4 \uadf8\ub8f9: IIB<\/li><li>\uc694\uad6c \uc628\ub3c4\ub4f1\uae09: T4<\/li><li>\uace0\uc7a5 \uc2dc \ub3d9\uc791: Fail-Close<\/li><\/ul><\/div>\n<p>\uc774 \ubc38\ube0c\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc740 \ub2e4\uc74c \uc21c\uc11c\ub85c \uc9c4\ud589\ud55c\ub2e4.<\/p>\n<ol class=\"cv9-flow\"><li>\uc124\uce58\uad6d\uac00\uc758 \ubc95\ub839, \ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591 \ubc0f \uc801\uc6a9 Code \ud655\uc778<\/li><li>\ubc38\ube0c \ubcf8\uccb4\u00b7\ubcf4\ub2db\u00b7\ubcfc\ud305\uc758 \uc555\ub825\uacbd\uacc4 \uac74\uc804\uc131 \uac80\uc99d<\/li><li>C<sub>v<\/sub>, \uc720\ub7c9\ud2b9\uc131, Rangeability, \uc18c\uc74c \ubc0f \uc751\ub2f5\uc131 \uac80\uc99d<\/li><li>Seat Leakage, Fugitive Emission \ubc0f \uc7ac\uc9c8 \uc801\ud569\uc131 \uac80\uc99d<\/li><li>\uac00\uc2a4\u00b7\ubd84\uc9c4 \uc704\ud5d8\uc7a5\uc18c\uc758 Zone \ub610\ub294 Class\/Division \uacb0\uc815<\/li><li>Equipment Group, EPL \ubc0f Temperature Class \uacb0\uc815<\/li><li>Ex i, Ex d, Ex e, Ex t \ub4f1 \uc810\ud654\ubc29\uc9c0 \ubc29\uc2dd \uc120\uc815<\/li><li>IECEx, ATEX \ub610\ub294 \uc124\uce58\uad6d\uac00 \uc778\uc99d\uacfc \uba85\ud310 \ud655\uc778<\/li><li>\uc778\uc99d\uc870\uac74\uc5d0 \ub530\ub978 \uc124\uce58, \ucd08\uae30\uac80\uc0ac, \uc815\uae30\uac80\uc0ac \ubc0f \uc218\ub9ac<\/li><\/ol>\n<h2 id=\"cv9-terms\">\ud45c\uc900, Code, \ubc95\ub839 \ubc0f \uc778\uc99d\uc758 \uad6c\ubd84<\/h2>\n<p>\ud45c\uc900 \uad00\ub828 \uc6a9\uc5b4\ub294 \uc11c\ub85c \uac19\uc740 \uc758\ubbf8\uac00 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\uad6c\ubd84<\/th><th>\uc5ed\ud560<\/th><th>\ub300\ud45c \uc608<\/th><\/tr><\/thead><tbody><tr><td>\ubc95\ub839\u00b7Directive<\/td><td>\uc2dc\uc7a5\ucd9c\uc2dc, \uc124\uce58 \ub610\ub294 \uc0ac\uc6a9\uc5d0 \ub300\ud55c \ubc95\uc801 \uc694\uad6c<\/td><td>ATEX Directive 2014\/34\/EU, \uc124\uce58\uad6d\uac00\uc758 \ubc95\ub839<\/td><\/tr><tr><td>\uc124\uacc4 Code<\/td><td>\uc555\ub825\uacbd\uacc4\uc640 \ubc30\uad00\uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4\uae30\uc900<\/td><td>ASME B16.34, ASME B31 \uacc4\uc5f4<\/td><\/tr><tr><td>\uc81c\ud488\ud45c\uc900<\/td><td>\uc81c\ud488\uc758 \uc131\ub2a5, \uc2dc\ud5d8 \ubc0f \ud45c\uc2dc\ubc29\ubc95 \ud1b5\uc77c<\/td><td>IEC 60534, IEC 60079, ISO 15848<\/td><\/tr><tr><td>\uc778\uc99d\uccb4\uacc4<\/td><td>\uc81c3\uc790\uac00 \uc81c\ud488\uacfc \uc81c\uc870\ud488\uc9c8\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc744 \ud3c9\uac00<\/td><td>IECEx, \uad6d\uac00\ubcc4 \ubc29\ud3ed\uc778\uc99d<\/td><\/tr><tr><td>\ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591<\/td><td>\uacf5\uc815\uc870\uac74\uacfc \ubc1c\uc8fc\uc790\uc758 \ucd94\uac00 \uc694\uad6c \uc815\uc758<\/td><td>\ub370\uc774\ud130\uc2dc\ud2b8, Material Specification, Inspection Plan<\/td><\/tr><\/tbody><\/table><\/div>\n<p>\uc801\ud569\uc131 \ud310\ub2e8\uc740 \ub2e8\uc21c\ud55c \uc77c\ub82c \uc21c\uc11c\uac00 \uc544\ub2c8\ub77c \uc0c1\ud638 \uc81c\uc57d\uad00\uacc4\ub85c \ubcf8\ub2e4.<\/p>\n<div class=\"cv9-eq\"><span class=\"line\"><strong>\ubc95\ub839\u00b7\uaddc\uc81c<\/strong>: \ucd5c\uc6b0\uc120 \uac15\uc81c\uc694\uac74<\/span><span class=\"line\"><strong>\ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591<\/strong>: \uacc4\uc57d\uc0c1 \uc801\uc6a9 Code\u00b7\ud45c\uc900\u00b7\uc778\uc99d\uc694\uac74 \uc815\uc758<\/span><span class=\"line\"><strong>\uc124\uacc4 Code\u00b7\uc81c\ud488\ud45c\uc900<\/strong>: \uc124\uacc4\u00b7\uc2dc\ud5d8\u00b7\ud45c\uc2dc\ubc29\ubc95 \uaddc\uc815<\/span><span class=\"line\"><strong>\uc778\uc99d\uc11c<\/strong>: \uc815\ud574\uc9c4 \ubc94\uc704\uc5d0\uc11c \uc801\ud569\uc131\uc758 \uc81c3\uc790 \uc99d\uac70<\/span><\/div>\n<p>\uad6d\uc81c\ud45c\uc900\uc744 \ub9cc\uc871\ud558\ub354\ub77c\ub3c4 \uc124\uce58\uad6d\uac00\uac00 \ubcc4\ub3c4\uc758 \ubc95\uc815\uc2b9\uc778\uc774\ub098 \uad6d\uac00\uc778\uc99d\uc744 \uc694\uad6c\ud558\uba74 \uc774\ub97c \ucd94\uac00\ub85c \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4. \ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591\uc740 \ubc95\ub839\uc744 \uc644\ud654\ud560 \uc218 \uc5c6\uc73c\uba70, \uc778\uc99d\uc11c\ub294 \uc778\uc99d\ubc94\uc704 \ubc16\uc758 \uc124\uacc4 \uc801\ud569\uc131\uae4c\uc9c0 \ubcf4\uc99d\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<h2 id=\"cv9-step1\">1\ub2e8\uacc4: \uc555\ub825\uacbd\uacc4\uc640 \uae30\uacc4\uc801 \uac74\uc804\uc131<\/h2>\n<p>\uc81c\uc5b4\ubc38\ube0c\uc758 \uccab \ubc88\uc9f8 \uae30\ub2a5\uc740 \uc720\ub7c9\uc870\uc808 \uc774\uc804\uc5d0 \uacf5\uc815\uc720\uccb4\ub97c \uc548\uc804\ud558\uac8c \uac00\ub450\ub294 \uac83\uc774\ub2e4.<\/p>\n<h3>\uc555\ub825\uacbd\uacc4 \uad6c\uc131\ud488<\/h3>\n<ul><li>Valve Body, Bonnet \ubc0f Cover<\/li><li>Body\u2013Bonnet Joint, Bolting \ubc0f Gasket<\/li><li>Flanged, Threaded \ubc0f Welding End<\/li><li>Stem \ub610\ub294 Shaft\uc758 \uc555\ub825\uc720\uc9c0 Seal<\/li><li>\uc555\ub825\uacbd\uacc4\uc5d0 \uc124\uce58\ub418\ub294 Plug, Fitting \ubc0f \uae30\ud0c0 Closure<\/li><\/ul>\n<p>Plug \ub610\ub294 Disc\uc640 \uac19\uc740 \uc720\ub7c9\ucc28\ub2e8 \ubd80\ud488\uc740 \uc555\ub825\ucc28\ub97c \ubc1b\uc9c0\ub9cc, \ubaa8\ub4e0 \uad6c\uc870\uc5d0\uc11c \uc678\ubd80 \uc555\ub825\uacbd\uacc4 \uc790\uccb4\ub85c \ubd84\ub958\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc555\ub825\uacbd\uacc4\uc640 \ub0b4\ubd80 \uc555\ub825\ubd80\ud488\uc744 \uad6c\ubd84\ud558\uc5ec \uac80\ud1a0\ud55c\ub2e4.<\/p>\n<h3>ASME B16.34\uc758 \uc5ed\ud560<\/h3>\n<ul><li>Pressure\u2013Temperature Rating<\/li><li>\uc7ac\uc9c8\uacfc \ud5c8\uc6a9\uc751\ub825<\/li><li>\uce58\uc218\uc640 \uacf5\ucc28<\/li><li>\ube44\ud30c\uad34\uac80\uc0ac<\/li><li>\uc555\ub825\uc2dc\ud5d8<\/li><li>\uc81c\ud488 \ud45c\uc2dc<\/li><\/ul>\n<div class=\"cv9-eq\">P<sub>allow<\/sub>(T<sub>design<\/sub>) \u2265 P<sub>design<\/sub><\/div>\n<ul><li>P<sub>design<\/sub>: \ud504\ub85c\uc81d\ud2b8 \uc124\uacc4\uc555\ub825<\/li><li>T<sub>design<\/sub>: \ud504\ub85c\uc81d\ud2b8 \uc124\uacc4\uc628\ub3c4<\/li><li>P<sub>allow<\/sub>(T<sub>design<\/sub>): \ud574\ub2f9 \uc7ac\uc9c8\uacfc Pressure Class\uac00 \uc124\uacc4\uc628\ub3c4\uc5d0\uc11c \ud5c8\uc6a9\ud558\ub294 \uc555\ub825<\/li><\/ul>\n<div class=\"cv9-box cv9-note\"><strong class=\"cv9-box-title\">\uc8fc\uc758<\/strong><p>Pressure Class\ub294 \ubaa8\ub4e0 \uc628\ub3c4\uc5d0\uc11c \ub3d9\uc77c\ud55c \uc555\ub825\uc744 \ud5c8\uc6a9\ud55c\ub2e4\ub294 \ub73b\uc774 \uc544\ub2c8\ub2e4. \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uba74 \uc7ac\ub8cc\uc758 \ud5c8\uc6a9\uc751\ub825\uc774 \uac10\uc18c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ubc18\ub4dc\uc2dc \uc124\uacc4\uc628\ub3c4\uc5d0\uc11c\uc758 \ud5c8\uc6a9\uc555\ub825\uc744 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p><\/div>\n<h3>\uac80\uc99d \ubb38\uc11c<\/h3>\n<ul><li>Valve Datasheet<\/li><li>Pressure\u2013Temperature Rating<\/li><li>Material Test Certificate<\/li><li>Hydrostatic Test Report<\/li><li>NDE Report<\/li><li>Heat Number \ubc0f \uc7ac\uc9c8 \ucd94\uc801\uc131<\/li><li>Valve Nameplate<\/li><\/ul>\n<h2 id=\"cv9-step2\">2\ub2e8\uacc4: \uc81c\uc5b4\ubc38\ube0c \uae30\ub2a5\uacfc \uc131\ub2a5<\/h2>\n<p>\uc555\ub825\uc744 \uacac\ub514\ub294 \ubc38\ube0c\ub77c\ub3c4 \uc694\uad6c \uc720\ub7c9\uacfc \ub3d9\ud2b9\uc131\uc744 \ub9cc\uc871\ud558\uc9c0 \ubabb\ud558\uba74 \uc801\ud569\ud55c \uc81c\uc5b4\ubc38\ube0c\uac00 \uc544\ub2c8\ub2e4.<\/p>\n<p>IEC 60534 \uc2dc\ub9ac\uc988\ub294 \uc81c\uc5b4\ubc38\ube0c\uc758 \uc6a9\uc5b4, \uc720\ub7c9\uacc4\uc0b0, \uc6a9\ub7c9\uc2dc\ud5d8, \uce58\uc218, \uac80\uc0ac, \uc18c\uc74c \ubc0f \uc751\ub2f5\uc2dc\ud5d8\uc744 \uccb4\uacc4\ud654\ud55c\ub2e4.<\/p>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\ud45c\uc900<\/th><th>\uc8fc\uc694 \uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td>IEC 60534-1<\/td><td>\uc81c\uc5b4\ubc38\ube0c \uc6a9\uc5b4\uc640 \ub2e4\ub978 Part\uc758 \uc801\uc6a9\uc6d0\uce59<\/td><\/tr><tr><td>IEC 60534-2-1<\/td><td>\uc124\uce58\uc870\uac74\uc5d0\uc11c \uc555\ucd95\uc131\u00b7\ube44\uc555\ucd95\uc131 \uc720\uccb4\uc758 \uc720\ub7c9 \uc0ac\uc774\uc9d5<\/td><\/tr><tr><td>IEC 60534-2-3<\/td><td>\ubc38\ube0c \uc720\ub7c9\uc6a9\ub7c9\uc758 \uc2dc\ud5d8\uc808\ucc28<\/td><\/tr><tr><td>IEC 60534-2-4<\/td><td>\uace0\uc720 \uc720\ub7c9\ud2b9\uc131\uacfc Rangeability<\/td><\/tr><tr><td>IEC 60534-3 \uacc4\uc5f4<\/td><td>\uc81c\uc5b4\ubc38\ube0c \uba74\uac04\u00b7\uc911\uc2ec\uac04 \uce58\uc218<\/td><\/tr><tr><td>IEC 60534-4<\/td><td>\uac80\uc0ac\uc640 Routine Test<\/td><\/tr><tr><td>IEC 60534-8 \uacc4\uc5f4<\/td><td>\uacf5\ub825\u00b7\uc218\ub825 \uc18c\uc74c\uc758 \uc608\uce21\uacfc \uc2dc\ud5d8<\/td><\/tr><tr><td>IEC 60534-9<\/td><td>Step \uc785\ub825\uc5d0 \ub300\ud55c \ubc38\ube0c \uc5b4\uc148\ube14\ub9ac \uc751\ub2f5\uc2dc\ud5d8<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>\uc131\ub2a5\uac80\ud1a0 \ud56d\ubaa9<\/h3>\n<ul><li>\ucd5c\uc18c\u00b7\uc815\uc0c1\u00b7\ucd5c\ub300 \uc720\ub7c9\uc758 \uc694\uad6c C<sub>v<\/sub><\/li><li>\uc815\uc0c1 \uc6b4\uc804\uc810\uc758 Valve Travel<\/li><li>Installed Flow Characteristic<\/li><li>Rangeability<\/li><li>Choked Flow<\/li><li>Cavitation \ubc0f Flashing<\/li><li>\uac00\uc2a4 \ucd9c\uad6c Mach Number<\/li><li>\uacf5\ub825\u00b7\uc218\ub825 \uc18c\uc74c<\/li><li>\uc561\ucd94\uc5d0\uc774\ud130 \ucd94\ub825 \ub610\ub294 \ud1a0\ud06c<\/li><li>Fail-Open \ub610\ub294 Fail-Close<\/li><li>\uc751\ub2f5\uc2dc\uac04\uacfc Deadband<\/li><\/ul>\n<div class=\"cv9-box cv9-key\"><strong class=\"cv9-box-title\">\ud575\uc2ec<\/strong><p>\ud45c\uc900\uc740 \ubc38\ube0c \ud06c\uae30\ub97c \uc790\ub3d9\uc73c\ub85c \uacb0\uc815\ud558\uc9c0 \uc54a\ub294\ub2e4. \ud45c\uc900\uc740 \uc785\ub825\uc870\uac74, \uacc4\uc0b0\uc2dd, \uc2dc\ud5d8\uc870\uac74, \uce21\uc815\ubc29\ubc95 \ubc0f \uacb0\uacfc \ud45c\uc2dc\ubc29\ubc95\uc744 \ud1b5\uc77c\ud558\uc5ec \uc81c\uc870\uc0ac \uac04 \uacb0\uacfc\ub97c \ube44\uad50\ud560 \uc218 \uc788\uac8c \ud55c\ub2e4.<\/p><\/div>\n<h2 id=\"cv9-step3\">3\ub2e8\uacc4: \ub0b4\ubd80\ub204\uc124\uacfc \uc678\ubd80\ub204\uc124<\/h2>\n<p>\ubc38\ube0c \ub204\uc124\uc740 \ub204\uc124\uacbd\ub85c\uc5d0 \ub530\ub77c \uad6c\ubd84\ud574\uc57c \ud55c\ub2e4.<\/p>\n<h3>Seat Leakage<\/h3>\n<p>Seat Leakage\ub294 \ubc38\ube0c\uac00 \ub2eb\ud78c \uc0c1\ud0dc\uc5d0\uc11c \ud50c\ub7ec\uadf8\uc640 \uc2dc\ud2b8 \uc0ac\uc774\ub97c \ud1b5\uacfc\ud558\uc5ec \uc0c1\ub958\uc5d0\uc11c \ud558\ub958\ub85c \ud750\ub974\ub294 \ub0b4\ubd80\ub204\uc124\uc774\ub2e4.<\/p>\n<div class=\"cv9-eq\">\uc0c1\ub958 \u2192 Plug\u2013Seat \u2192 \ud558\ub958<\/div>\n<ul><li>IEC 60534-4<\/li><li>ANSI\/FCI 70-2<\/li><\/ul>\n<div class=\"cv9-box cv9-note\"><strong class=\"cv9-box-title\">\uc8fc\uc758<\/strong><p>Class IV\uc640 \uac19\uc740 \ub204\uc124\ub4f1\uae09\ub9cc \ub2e8\ub3c5\uc73c\ub85c \uc9c0\uc815\ud558\uba74 \uc2dc\ud5d8\uc870\uac74\uc774 \ubd88\uc644\uc804\ud558\ub2e4. \uc801\uc6a9\ud45c\uc900, \uc2dc\ud5d8\uc720\uccb4, \uc2dc\ud5d8\ucc28\uc555, \uc720\ub3d9\ubc29\ud5a5, \uc561\ucd94\uc5d0\uc774\ud130 \uc870\uac74, \ud5c8\uc6a9\ub204\uc124\ub7c9\uc758 \uae30\uc900\ub2e8\uc704 \ubc0f \uc2dc\ud5d8\uc628\ub3c4\ub97c \ud568\uaed8 \uba85\uc2dc\ud574\uc57c \ud55c\ub2e4.<\/p><\/div>\n<h3>Fugitive Emission<\/h3>\n<p>Fugitive Emission\uc740 \uacf5\uc815\uc720\uccb4\uac00 \ub300\uae30\ub85c \ub204\ucd9c\ub418\ub294 \uc678\ubd80\ub204\uc124\uc774\ub2e4.<\/p>\n<ul><li>Stem Packing \ub610\ub294 Shaft Seal<\/li><li>Body\u2013Bonnet Joint<\/li><li>Gasket<\/li><li>\uae30\ud0c0 \uc815\uc801 \uc811\ud569\ubd80<\/li><\/ul>\n<ul><li>ISO 15848-1: \ud615\uc2dd\uc2dc\ud5d8\uacfc \uc131\ub2a5\ubd84\ub958<\/li><li>ISO 15848-2: \uc0dd\uc0b0\ubc38\ube0c \uc778\uc218\uc2dc\ud5d8<\/li><\/ul>\n<div class=\"cv9-eq\">Seat Leakage \u2260 Fugitive Emission<\/div>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\uad6c\ubd84<\/th><th>Seat Leakage<\/th><th>Fugitive Emission<\/th><\/tr><\/thead><tbody><tr><td>\ub204\uc124\uacbd\ub85c<\/td><td>\ud50c\ub7ec\uadf8\uc640 \uc2dc\ud2b8<\/td><td>\ud328\ud0b9\u00b7\uac1c\uc2a4\ud0b7\u00b7\uc811\ud569\ubd80<\/td><\/tr><tr><td>\uc720\uccb4 \uc774\ub3d9<\/td><td>\uc0c1\ub958\uc5d0\uc11c \ud558\ub958<\/td><td>\uacf5\uc815 \ub0b4\ubd80\uc5d0\uc11c \ub300\uae30<\/td><\/tr><tr><td>\uc8fc\uc694 \ubaa9\uc801<\/td><td>\ucc28\ub2e8\uc131\ub2a5 \ud655\ubcf4<\/td><td>\ud658\uacbd\u00b7\uc548\uc804\u00b7\uc81c\ud488\uc190\uc2e4 \ubc29\uc9c0<\/td><\/tr><tr><td>\ub300\ud45c \uae30\uc900<\/td><td>IEC 60534-4, FCI 70-2<\/td><td>ISO 15848-1, ISO 15848-2<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 id=\"cv9-step4\">4\ub2e8\uacc4: \ubd80\uc2dd\uacfc Sour Service \uc7ac\uc9c8<\/h2>\n<p>\uc555\ub825\uacfc \uc720\ub7c9\uc744 \ub9cc\uc871\ud558\ub354\ub77c\ub3c4 \uacf5\uc815\uc720\uccb4\uac00 \uc7ac\ub8cc\uc5d0 \ubd80\uc2dd \ub610\ub294 \ud658\uacbd\uade0\uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uba74 \uc7a5\uae30\uac04 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub2e4.<\/p>\n<h3>\uc77c\ubc18 \ubd80\uc2dd\uacfc H<sub>2<\/sub>S \uade0\uc5f4<\/h3>\n<div class=\"cv9-eq\"><span class=\"line\">\uc77c\ubc18 \ubd80\uc2dd \u2192 \uc7ac\ub8cc \ub450\uaed8\uc758 \uade0\uc77c\u00b7\uad6d\ubd80 \uc190\uc2e4<\/span><span class=\"line\">Sour Service \u2192 \uc751\ub825\uacfc H<sub>2<\/sub>S\uc5d0 \uc758\ud55c \uade0\uc5f4<\/span><\/div>\n<ul><li>H<sub>2<\/sub>S \ubd84\uc555<\/li><li>\uc218\ubd84 \uc874\uc7ac \uc5ec\ubd80<\/li><li>\uc7ac\ub8cc \uacbd\ub3c4<\/li><li>\uc5f4\ucc98\ub9ac<\/li><li>\uc6a9\uc811\ubd80\uc640 \uc5f4\uc601\ud5a5\ubd80<\/li><li>\uc5fc\ud654\ubb3c \ub18d\ub3c4<\/li><li>\uc6b4\uc804\uc628\ub3c4<\/li><li>\uc778\uc7a5\uc751\ub825\uacfc \uc794\ub958\uc751\ub825<\/li><\/ul>\n<h3>\uc0b0\uc5c5\ubcc4 \uc801\uc6a9\ud45c\uc900<\/h3>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\uc801\uc6a9 \uc0b0\uc5c5<\/th><th>\ub300\ud45c \uae30\uc900<\/th><th>\ud575\uc2ec \uc801\uc6a9\ubc94\uc704<\/th><\/tr><\/thead><tbody><tr><td>\uc11d\uc720\u00b7\uac00\uc2a4 \uc0dd\uc0b0<\/td><td>ANSI\/NACE MR0175 \/ ISO 15156<\/td><td>\uc0dd\uc0b0\uc124\ube44\uc640 \ucc9c\uc5f0\uac00\uc2a4 \ucc98\ub9ac\uc124\ube44\uc758 H<sub>2<\/sub>S \ud658\uacbd<\/td><\/tr><tr><td>\uc815\uc720 \ubc0f \uad00\ub828 \uacf5\uc815<\/td><td>ANSI\/NACE MR0103 \/ ISO 17945<\/td><td>\uc815\uc720\ud658\uacbd\uc758 \ud669\ud654\ubb3c \uc751\ub825\uade0\uc5f4 \ubc29\uc9c0<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"cv9-box cv9-warning\"><strong class=\"cv9-box-title\">\uacbd\uace0<\/strong><p>\ub450 \ud45c\uc900\uc740 \uc801\uc6a9 \uc0b0\uc5c5\uacfc \uc190\uc0c1\ubc94\uc704\uac00 \ub2e4\ub974\ub2e4. \uc0dd\uc0b0\uc124\ube44\uc6a9 \uae30\uc900\uc744 \uc815\uc720\uc124\ube44\uc5d0 \uc790\ub3d9 \uc801\uc6a9\ud558\uac70\ub098, \uc7ac\ub8cc \uae30\uc900\ub9cc \ub9cc\uc871\ud558\uba74 \ubaa8\ub4e0 \ubd80\uc2dd\uc190\uc0c1\uc774 \ubc29\uc9c0\ub41c\ub2e4\uace0 \ud574\uc11d\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p><\/div>\n<h2 id=\"cv9-step5\">5\ub2e8\uacc4: \uc704\ud5d8\uc7a5\uc18c \ubd84\ub958<\/h2>\n<p>\ubc38\ube0c \ubcf8\uccb4\uc758 \uae30\uacc4\uc801 \uc124\uacc4\uac00 \uc644\ub8cc\ub418\uba74 \ud3ec\uc9c0\uc154\ub108, I\/P \ubcc0\ud658\uae30, \uc194\ub808\ub178\uc774\ub4dc\ubc38\ube0c \ubc0f \uc704\uce58\uc2a4\uc704\uce58\uc758 \uc704\ud5d8\uc7a5\uc18c \uc801\ud569\uc131\uc744 \uac80\ud1a0\ud55c\ub2e4.<\/p>\n<p>\uc704\ud5d8\uc7a5\uc18c\ub294 \uc7a5\ube44 \uc81c\uc870\uc0ac\uac00 \uc784\uc758\ub85c \uacb0\uc815\ud558\uc9c0 \uc54a\ub294\ub2e4. \ud50c\ub79c\ud2b8 \uc124\uacc4\uc790\uac00 \ub204\ucd9c\uc6d0, \ud658\uae30 \ubc0f \uac00\uc5f0\uc131 \ubb3c\uc9c8\uc758 \uc874\uc7ac \uac00\ub2a5\uc131\uc744 \ud3c9\uac00\ud558\uc5ec \uc9c0\uc5ed\uc744 \ubd84\ub958\ud55c\ub2e4.<\/p>\n<h3>\uc8fc\uc694 \uc804\uae30\u00b7\uc804\uc790 \ubd80\uc18d\ud488<\/h3>\n<ul><li>Digital Valve Controller<\/li><li>Electro-pneumatic Positioner<\/li><li>I\/P Converter<\/li><li>Solenoid Valve<\/li><li>Limit Switch<\/li><li>Position Transmitter<\/li><li>Electric Actuator<\/li><\/ul>\n<h3>\ubd84\ub958 \uc808\ucc28<\/h3>\n<div class=\"cv9-eq\">\uac00\uc5f0\uc131 \ubb3c\uc9c8 \u2192 \ub204\ucd9c\uc6d0 \u2192 \ub204\ucd9c\ub4f1\uae09 \u2192 \ud658\uae30 \u2192 Zone<\/div>\n<h3>\uac00\uc2a4 Zone<\/h3>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>Zone<\/th><th>\ud3ed\ubc1c\uc131 \uac00\uc2a4 \ubd84\uc704\uae30\uc758 \uc874\uc7ac \ud2b9\uc131<\/th><\/tr><\/thead><tbody><tr><td>0<\/td><td>\uc9c0\uc18d\uc801, \uc7a5\uc2dc\uac04 \ub610\ub294 \ube48\ubc88\ud558\uac8c \uc874\uc7ac<\/td><\/tr><tr><td>1<\/td><td>\uc815\uc0c1\uc6b4\uc804 \uc911 \uc8fc\uae30\uc801 \ub610\ub294 \uac04\ud5d0\uc801\uc73c\ub85c \uc874\uc7ac \uac00\ub2a5<\/td><\/tr><tr><td>2<\/td><td>\uc815\uc0c1\uc6b4\uc804 \uc911 \uc874\uc7ac \uac00\ub2a5\uc131\uc774 \ub0ae\uace0, \ubc1c\uc0dd\ud574\ub3c4 \ub2e8\uc2dc\uac04 \uc874\uc7ac<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>\ubd84\uc9c4 Zone<\/h3>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>Zone<\/th><th>\ud3ed\ubc1c\uc131 \ubd84\uc9c4 \ubd84\uc704\uae30\uc758 \uc874\uc7ac \ud2b9\uc131<\/th><\/tr><\/thead><tbody><tr><td>20<\/td><td>\uc9c0\uc18d\uc801, \uc7a5\uc2dc\uac04 \ub610\ub294 \ube48\ubc88\ud558\uac8c \uc874\uc7ac<\/td><\/tr><tr><td>21<\/td><td>\uc815\uc0c1\uc6b4\uc804 \uc911 \uc8fc\uae30\uc801 \ub610\ub294 \uac04\ud5d0\uc801\uc73c\ub85c \uc874\uc7ac \uac00\ub2a5<\/td><\/tr><tr><td>22<\/td><td>\uc874\uc7ac \uac00\ub2a5\uc131\uc774 \ub0ae\uace0, \ubc1c\uc0dd\ud574\ub3c4 \ub2e8\uc2dc\uac04 \uc874\uc7ac<\/td><\/tr><\/tbody><\/table><\/div>\n<p>Zone \ubc88\ud638\ub294 \uc7a5\ube44 \ud488\uc9c8\ub4f1\uae09\uc774 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"cv9-eq\">Zone = \ud3ed\ubc1c\uc131 \ubd84\uc704\uae30\uc758 \ubc1c\uc0dd \ube48\ub3c4\uc640 \uc9c0\uc18d\uc2dc\uac04<\/div>\n<h3>Class\/Division \uccb4\uacc4<\/h3>\n<ul><li>Class I: \uac00\uc5f0\uc131 \uac00\uc2a4 \ub610\ub294 \uc99d\uae30<\/li><li>Class II: \uac00\uc5f0\uc131 \ubd84\uc9c4<\/li><li>Class III: \uc810\ud654\uc131 \uc12c\uc720 \ub610\ub294 \ubd80\uc720\ubb3c<\/li><li>Division 1: \uc815\uc0c1\uc6b4\uc804 \uc911 \uc704\ud5d8\ubd84\uc704\uae30 \uc874\uc7ac \uac00\ub2a5<\/li><li>Division 2: \ube44\uc815\uc0c1 \uc0c1\ud0dc\uc5d0\uc11c \uc8fc\ub85c \uc874\uc7ac \uac00\ub2a5<\/li><\/ul>\n<p>Zone\uacfc Class\/Division\uc744 \ub2e8\uc21c\ud788 \uc77c\ub300\uc77c \ubcc0\ud658\ud558\uc9c0 \uc54a\ub294\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc758 \uc801\uc6a9 Code\uc640 \uc778\uc99d\uc11c \ud45c\uae30\ub97c \uae30\uc900\uc73c\ub85c \ud310\ub2e8\ud55c\ub2e4.<\/p>\n<h2 id=\"cv9-step6\">6\ub2e8\uacc4: Equipment Group, EPL \ubc0f \uc628\ub3c4\ub4f1\uae09<\/h2>\n<p>\uc704\ud5d8\uad6c\uc5ed\uc774 \uc815\ud574\uc9c0\uba74 \uc7a5\ube44\uac00 \ub9cc\uc871\ud574\uc57c \ud560 \ubb3c\uc9c8 \uadf8\ub8f9\uacfc \ubcf4\ud638\uc218\uc900\uc744 \uacb0\uc815\ud55c\ub2e4.<\/p>\n<h3>Equipment Group<\/h3>\n<ul><li>Group I: \uba54\ud0c4\uac00\uc2a4 \uc704\ud5d8\uc774 \uc788\ub294 \uad11\uc0b0<\/li><li>Group II: \ud3ed\ubc1c\uc131 \uac00\uc2a4 \ubd84\uc704\uae30<\/li><li>Group III: \ud3ed\ubc1c\uc131 \ubd84\uc9c4 \ubd84\uc704\uae30<\/li><\/ul>\n<div class=\"cv9-eq\">IIA \u2192 IIB \u2192 IIC<\/div>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c IIC\uac00 \uac00\uc7a5 \uc5c4\uaca9\ud558\ub2e4.<\/p>\n<div class=\"cv9-eq\">IIC equipment \u21d2 IIC, IIB, IIA application<\/div>\n<p>\uc774\ub294 \uac00\uc2a4\uadf8\ub8f9 \uad00\uc810\uc758 \uc77c\ubc18\uad00\uacc4\uc774\ub2e4. \ub3d9\uc77c\ud55c \ubcf4\ud638\ubc29\uc2dd, EPL, \uc628\ub3c4\ub4f1\uae09, \uc8fc\ubcc0\uc628\ub3c4 \ubc94\uc704\uc640 \uc778\uc99d\uc11c\uc758 \uc81c\ud55c\uc0ac\ud56d \ubc0f \uc124\uce58\uc870\uac74\uc744 \ud568\uaed8 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p>\n<div class=\"cv9-eq\">IIIA \u2192 IIIB \u2192 IIIC<\/div>\n<h3>Equipment Protection Level<\/h3>\n<ul><li>Ga: \ub9e4\uc6b0 \ub192\uc740 \ubcf4\ud638<\/li><li>Gb: \ub192\uc740 \ubcf4\ud638<\/li><li>Gc: \uac15\ud654\ub41c \ubcf4\ud638<\/li><li>Da: \ub9e4\uc6b0 \ub192\uc740 \ubcf4\ud638<\/li><li>Db: \ub192\uc740 \ubcf4\ud638<\/li><li>Dc: \uac15\ud654\ub41c \ubcf4\ud638<\/li><\/ul>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\uc704\ud5d8\uad6c\uc5ed<\/th><th>\uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc6a9 \uac00\ub2a5\ud55c EPL<\/th><\/tr><\/thead><tbody><tr><td>Zone 0<\/td><td>Ga<\/td><\/tr><tr><td>Zone 1<\/td><td>Ga \ub610\ub294 Gb<\/td><\/tr><tr><td>Zone 2<\/td><td>Ga, Gb \ub610\ub294 Gc<\/td><\/tr><tr><td>Zone 20<\/td><td>Da<\/td><\/tr><tr><td>Zone 21<\/td><td>Da \ub610\ub294 Db<\/td><\/tr><tr><td>Zone 22<\/td><td>Da, Db \ub610\ub294 Dc<\/td><\/tr><\/tbody><\/table><\/div>\n<h3>Temperature Class<\/h3>\n<p>\uc2a4\ud30c\ud06c\uac00 \uc5c6\uc5b4\ub3c4 \uc7a5\ube44 \ud45c\uba74\uc774 \uac00\uc2a4\uc758 \uc790\uc5f0\ubc1c\ud654\uc628\ub3c4\ubcf4\ub2e4 \ub192\uc73c\uba74 \uc810\ud654\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n<div class=\"cv9-eq\">T<sub>surface,max<\/sub> &lt; T<sub>autoignition<\/sub><\/div>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>Temperature Class<\/th><th>\ucd5c\ub300 \ud45c\uba74\uc628\ub3c4<\/th><\/tr><\/thead><tbody><tr><td>T1<\/td><td>450 \u2103<\/td><\/tr><tr><td>T2<\/td><td>300 \u2103<\/td><\/tr><tr><td>T3<\/td><td>200 \u2103<\/td><\/tr><tr><td>T4<\/td><td>135 \u2103<\/td><\/tr><tr><td>T5<\/td><td>100 \u2103<\/td><\/tr><tr><td>T6<\/td><td>85 \u2103<\/td><\/tr><\/tbody><\/table><\/div>\n<p>T6\ub85c \uac08\uc218\ub85d \ud5c8\uc6a9 \ud45c\uba74\uc628\ub3c4\uac00 \ub0ae\uc544\uc9c0\ubbc0\ub85c \ub354 \uc5c4\uaca9\ud558\ub2e4.<\/p>\n<div class=\"cv9-box cv9-note\"><strong class=\"cv9-box-title\">\uc8fc\uc758<\/strong><p>\uc81c\uc5b4\ubc38\ube0c \ubd80\uc18d\ud488\uc758 \ud45c\uba74\uc628\ub3c4\ub294 \ub0b4\ubd80 \uc804\uae30\ubc1c\uc5f4\ub9cc\uc73c\ub85c \uacb0\uc815\ub418\uc9c0 \uc54a\ub294\ub2e4. \uace0\uc628 \uacf5\uc815\uc720\uccb4\uc758 \uc5f4\uc774 \ubc38\ube0c \ubcf8\uccb4, \ubcf4\ub2db, \uc694\ud06c \ubc0f \uc561\ucd94\uc5d0\uc774\ud130\ub97c \ud1b5\ud574 \ud3ec\uc9c0\uc154\ub108\ub85c \uc804\ub2ec\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \uc2e4\uc81c \uc124\uce58\uc870\uac74\uc744 \uac80\ud1a0\ud574\uc57c \ud55c\ub2e4.<\/p><\/div>\n<h2 id=\"cv9-step7\">7\ub2e8\uacc4: \uc804\uae30\uc7a5\ube44 \ubcf4\ud638\ubc29\uc2dd<\/h2>\n<p>\ubcf4\ud638\ubc29\uc2dd\uc740 \uc7a5\ube44\uac00 \uc810\ud654\ub97c \ubc29\uc9c0\ud558\ub294 \uae30\uc220\uc801 \uc6d0\ub9ac\uc774\ub2e4. IECEx \ub610\ub294 ATEX\uc640 \uac19\uc740 \uc778\uc99d\uc81c\ub3c4\uc758 \uc774\ub984\uacfc \uad6c\ubd84\ud574\uc57c \ud55c\ub2e4.<\/p>\n<h3>Ex i: \ubcf8\uc9c8\uc548\uc804<\/h3>\n<p>\ud68c\ub85c\uc758 \uc804\uae30\u00b7\uc5f4\uc5d0\ub108\uc9c0\ub97c \uc810\ud654\ud55c\uacc4 \uc774\ud558\ub85c \uc81c\ud55c\ud55c\ub2e4.<\/p>\n<div class=\"cv9-eq\">E<sub>available<\/sub> &lt; E<sub>ignition,min<\/sub><\/div>\n<ul><li>Digital Positioner<\/li><li>I\/P Converter<\/li><li>Position Transmitter<\/li><li>4\u201320 mA \uc800\uc804\ub825 \uc2e0\ud638\ud68c\ub85c<\/li><\/ul>\n<ul><li>\uc800\uc804\ub825 \uacc4\uce21\ud68c\ub85c\uc5d0 \uc801\ud569<\/li><li>\ubb34\uac70\uc6b4 \ub0b4\uc555\ubc29\ud3ed \uc678\ud568\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc74c<\/li><li>\uc801\uc808\ud55c \uc808\ucc28\ud558\uc5d0\uc11c \ud604\uc7a5 \uc810\uac80\uacfc \uad50\uc815\uc774 \uc6a9\uc774<\/li><\/ul>\n<p>\uadf8\ub7ec\ub098 \uc7a5\ube44 \ud558\ub098\ub9cc \ubcf8\uc9c8\uc548\uc804\uc774\ub77c\uace0 \ud574\uc11c \uc804\uccb4 Loop\uac00 \uc790\ub3d9\uc73c\ub85c \ubcf8\uc9c8\uc548\uc804\uc774 \ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<ul><li>Barrier \ub610\ub294 Galvanic Isolator<\/li><li>Entity Parameter<\/li><li>\ucf00\uc774\ube14\uc758 Capacitance\uc640 Inductance<\/li><li>\uc811\uc9c0\uc640 \ubc30\uc120 \ubd84\ub9ac<\/li><li>\uad00\ub828\uae30\uae30\uc640 \ud604\uc7a5\uae30\uae30\uc758 \uc870\ud569<\/li><\/ul>\n<div class=\"cv9-eq\"><span class=\"line\">U<sub>i<\/sub> \u2265 U<sub>o<\/sub>, I<sub>i<\/sub> \u2265 I<sub>o<\/sub>, P<sub>i<\/sub> \u2265 P<sub>o<\/sub><\/span><span class=\"line\">C<sub>i<\/sub> + C<sub>cable<\/sub> \u2264 C<sub>o<\/sub>, L<sub>i<\/sub> + L<sub>cable<\/sub> \u2264 L<sub>o<\/sub><\/span><\/div>\n<p>\uc2e4\uc81c \uc801\uc6a9\uc5d0\uc11c\ub294 \uc778\uc99d\uc11c\uac00 \uaddc\uc815\ud55c \ud68c\ub85c\ud615\ud0dc, \uc9d1\uc911\u00b7\ubd84\ud3ec \uc815\uc218 \ubc0f \ud2b9\ubcc4 \uc0ac\uc6a9\uc870\uac74\uc744 \ud568\uaed8 \ud655\uc778\ud55c\ub2e4.<\/p>\n<h3>Ex d: Flameproof Enclosure<\/h3>\n<p>\uc7a5\ube44 \ub0b4\ubd80 \ud3ed\ubc1c\uc744 \uc678\ud568 \ub0b4\ubd80\uc5d0 \uac00\ub450\uace0 \ud654\uc5fc\uc774 \uc678\ubd80 \ubd84\uc704\uae30\ub85c \uc804\ud30c\ub418\uc9c0 \uc54a\uac8c \ud55c\ub2e4.<\/p>\n<div class=\"cv9-eq\">\ub0b4\ubd80 \ud3ed\ubc1c \uc218\uc6a9 + Flamepath \ub0c9\uac01 = \uc678\ubd80 \uc810\ud654 \ubc29\uc9c0<\/div>\n<ul><li>Solenoid Valve<\/li><li>Limit Switch<\/li><li>\ube44\uad50\uc801 \ub192\uc740 \uc5d0\ub108\uc9c0\ub97c \uc0ac\uc6a9\ud558\ub294 \uc804\uae30\uc7a5\ube44<\/li><\/ul>\n<ul><li>Flamepath \uc190\uc0c1 \uae08\uc9c0<\/li><li>\uc778\uc99d\ub41c \ubcfc\ud2b8\uc640 Cable Gland \uc0ac\uc6a9<\/li><li>\uc784\uc758 \uac00\uacf5\uacfc \ube44\uc2b9\uc778 \uc218\ub9ac \uae08\uc9c0<\/li><li>\ud1b5\uc804 \uc0c1\ud0dc\uc5d0\uc11c \ub36e\uac1c \uac1c\ubc29 \uc81c\ud55c<\/li><\/ul>\n<h3>Ex e: Increased Safety<\/h3>\n<p>\uc815\uc0c1\uc6b4\uc804 \uc911 \uc544\ud06c\u00b7\uc2a4\ud30c\ud06c \ub610\ub294 \uacfc\ub3c4\ud55c \ud45c\uba74\uc628\ub3c4\ub97c \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \uc808\uc5f0, \uc811\uc18d, \uc5f0\uba74\uac70\ub9ac, \uacf5\uac04\uac70\ub9ac, \uc628\ub3c4 \ubc0f \uae30\uacc4\uc801 \uc2e0\ub8b0\uc131\uc744 \uac15\ud654\ud55c\ub2e4.<\/p>\n<ul><li>Ex eb: \uc77c\ubc18\uc801\uc73c\ub85c EPL Gb<\/li><li>Ex ec: \uc77c\ubc18\uc801\uc73c\ub85c EPL Gc<\/li><\/ul>\n<p>\uc8fc\uc694 \uc801\uc6a9\ub300\uc0c1\uc740 \ub2e8\uc790\ud568, \uc811\uc18d\ubd80 \ubc0f \uc815\uc0c1\uc801\uc73c\ub85c \uc544\ud06c\ub97c \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub294 \uc7a5\ube44\uc774\ub2e4.<\/p>\n<h3>Ex n: Type of Protection n<\/h3>\n<p>IEC 60079-15:2017\uc5d0 \ub530\ub978 Group II \uc7a5\ube44\uc758 \ubcf4\ud638\ubc29\uc2dd\uc774\ub2e4. \ud604\ud589 \uc774 Part\uc758 \ubc94\uc704\ub294 \uc8fc\ub85c nC\uc640 nR\uc774\ub2e4.<\/p>\n<p>\uae30\uc874 \uc124\ube44\uc5d0\ub294 \uacfc\uac70 \ud310\uc5d0 \ub530\ub978 nA, nL \ub4f1 \ub2e4\ub978 Ex n \ud45c\uae30\uac00 \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\ub2e4. \ud45c\uc900 \uac1c\uc815 \uacfc\uc815\uc5d0\uc11c \uc77c\ubd80 \ubcf4\ud638\uac1c\ub150\uc758 \uc704\uce58\uc640 \ud45c\uae30\uac00 \ubcc0\uacbd\ub418\uc5c8\uc73c\ubbc0\ub85c, \uba85\ud310\ub9cc\uc73c\ub85c \uc0c8 \ud45c\uae30\ub85c \uc784\uc758 \ubcc0\ud658\ud558\uc9c0 \uc54a\uace0 \uc778\uc99d\uc11c\uc5d0 \uae30\uc7ac\ub41c \uc801\uc6a9 \ud45c\uc900\ud310\uacfc \ubcf4\ud638\uac1c\ub150\uc744 \ud655\uc778\ud55c\ub2e4.<\/p>\n<h3>Ex t: \ubd84\uc9c4 \uc678\ud568 \ubcf4\ud638<\/h3>\n<p>\ubd84\uc9c4\uc774 \uc678\ud568 \ub0b4\ubd80\uc758 \uc810\ud654\uc6d0\uc5d0 \uc811\ucd09\ud558\uc9c0 \ubabb\ud558\ub3c4\ub85d \ud558\uace0 \uc7a5\ube44 \ud45c\uba74\uc628\ub3c4\ub97c \uc81c\ud55c\ud55c\ub2e4.<\/p>\n<ul><li>\ubd84\uc9c4\uad6c\ub984<\/li><li>\ubd84\uc9c4\uce35<\/li><li>\ubd84\uc9c4\uce35 \ub450\uaed8<\/li><li>\ud45c\uba74\uc628\ub3c4<\/li><li>\uc678\ud568\uc758 \ubd84\uc9c4 \uce68\ud22c\ubc29\uc9c0 \uc131\ub2a5<\/li><\/ul>\n<h3>\ubcf4\ud638\ubc29\uc2dd \ube44\uad50<\/h3>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\ud45c\uc2dc<\/th><th>\uae30\ubcf8\uc6d0\ub9ac<\/th><th>\uc81c\uc5b4\ubc38\ube0c \uad00\ub828 \uc801\uc6a9<\/th><\/tr><\/thead><tbody><tr><td>Ex i<\/td><td>\ud68c\ub85c \uc5d0\ub108\uc9c0\ub97c \uc810\ud654\ud55c\uacc4 \uc774\ud558\ub85c \uc81c\ud55c<\/td><td>\ud3ec\uc9c0\uc154\ub108, I\/P \ubcc0\ud658\uae30, \uc2e0\ud638\ud68c\ub85c<\/td><\/tr><tr><td>Ex d<\/td><td>\ub0b4\ubd80 \ud3ed\ubc1c\uc744 \uacac\ub514\uace0 \uc678\ubd80 \ud654\uc5fc\uc804\ud30c \ucc28\ub2e8<\/td><td>\uc194\ub808\ub178\uc774\ub4dc, \uc2a4\uc704\uce58, \uace0\uc5d0\ub108\uc9c0 \ud68c\ub85c<\/td><\/tr><tr><td>Ex e<\/td><td>\uc544\ud06c\u00b7\uacfc\uc5f4 \uac00\ub2a5\uc131\uc774 \uc5c6\ub294 \uc7a5\ube44\uc758 \uc548\uc804 \uac15\ud654<\/td><td>\ub2e8\uc790\ud568, \uc811\uc18d\ubd80<\/td><\/tr><tr><td>Ex n<\/td><td>\ud2b9\uc815 Zone 2\uc6a9 \ubcf4\ud638\uac1c\ub150<\/td><td>\uc778\uc99d\uc11c\uc640 \uc801\uc6a9\ud310\uc5d0 \ub530\ub77c nC, nR \ub4f1<\/td><\/tr><tr><td>Ex t<\/td><td>\ubd84\uc9c4 \uce68\uc785\uacfc \ud45c\uba74\uc628\ub3c4 \uc81c\ud55c<\/td><td>\ubd84\uc9c4\uc9c0\uc5ed\uc758 \ud3ec\uc9c0\uc154\ub108\uc640 \uc804\uae30\ubd80\uc18d\ud488<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 id=\"cv9-step8\">8\ub2e8\uacc4: \ube44\uc804\uae30 \uc7a5\ube44\uc758 \uc810\ud654\uc704\ud5d8<\/h2>\n<p>\ubc38\ube0c \ubcf8\uccb4\uc640 \uacf5\uc555 \uc561\ucd94\uc5d0\uc774\ud130\ub294 \uc804\uae30\uc7a5\ube44\uac00 \uc544\ub2c8\uc9c0\ub9cc, \uad6c\uc870\uc640 \uc6b4\uc804\uc870\uac74\uc5d0 \ub530\ub77c \uae30\uacc4\uc801 \uc810\ud654\uc6d0\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n<ul><li>\ub9c8\ucc30\uc5d0 \uc758\ud55c \uace0\uc628<\/li><li>\ucda9\uaca9 \uc2a4\ud30c\ud06c<\/li><li>\ubca0\uc5b4\ub9c1 \ub610\ub294 \uac00\uc774\ub4dc \uace0\uc7a5<\/li><li>\uc815\uc804\uae30<\/li><li>\ub2e8\uc5f4\uc555\ucd95<\/li><li>\uace0\ucc29\uacfc \ube44\uc815\uc0c1 \uc6b4\ub3d9<\/li><\/ul>\n<p>ISO 80079-36\uc740 \uc790\uccb4 \uc7a0\uc7ac \uc810\ud654\uc6d0\uc744 \uac00\uc9c4 \ube44\uc804\uae30 Ex \uc7a5\ube44\uc758 \uae30\ubcf8 \uc810\ud654\uc704\ud5d8\ud3c9\uac00 \ubc29\ubc95\uc744 \uc81c\uacf5\ud55c\ub2e4.<\/p>\n<p>ISO 80079-37\uc740 \ub2e4\uc74c \ubcf4\ud638\ubc29\uc2dd\uc744 \uaddc\uc815\ud55c\ub2e4.<\/p>\n<ul><li>Constructional Safety \u201cc\u201d<\/li><li>Control of Ignition Sources \u201cb\u201d<\/li><li>Liquid Immersion \u201ck\u201d<\/li><\/ul>\n<div class=\"cv9-box cv9-warning\"><strong class=\"cv9-box-title\">\uacbd\uace0<\/strong><p>\ubaa8\ub4e0 \uc218\ub3d9\ubc38\ube0c\ub97c \uc790\ub3d9\uc73c\ub85c \ube44\uc804\uae30 Ex \uc778\uc99d\ub300\uc0c1\uc73c\ub85c \ubcf4\ub294 \uac83\uc740 \ubd80\uc815\ud655\ud558\ub2e4. ISO 80079-36\uc740 \uc790\uccb4 \uc7a0\uc7ac \uc810\ud654\uc6d0\uc744 \uac00\uc9c4 \ube44\uc804\uae30 \uc7a5\ube44\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c\ub2e4. \uc5d0\ub108\uc9c0 \uc800\uc7a5\uc774 \uc5c6\ub294 \uc218\ub3d9\uc870\uc791 \uc7a5\ube44\uc640, \uc774 \ud45c\uc900\uc774 \ub2e4\ub8e8\ub294 \uc7a5\ube44\uc758 \uc77c\ubd80\uac00 \uc544\ub2cc \uc815\uc801 \ub3c5\ub9bd \uacf5\uc815\uc7a5\ube44\ub294 \uc801\uc6a9\ubc94\uc704\uc5d0\uc11c \uc81c\uc678\ub418\uac70\ub098 \uc9c1\uc811 \ub2e4\ub8e8\uc9c0 \uc54a\ub294\ub2e4. \ub530\ub77c\uc11c \uc7a5\ube44\uc758 \uad6c\uc870, \uc5d0\ub108\uc9c0\uc6d0, \uc800\uc7a5\uc5d0\ub108\uc9c0 \ubc0f \uc7a0\uc7ac \uc810\ud654\uc6d0\uc744 \uba3c\uc800 \ud3c9\uac00\ud55c\ub2e4.<\/p><\/div>\n<h2 id=\"cv9-step9\">9\ub2e8\uacc4: \uc778\uc99d\uccb4\uacc4\uc640 \uba85\ud310<\/h2>\n<h3>IEC 60079<\/h3>\n<p>IEC 60079\ub294 \ud3ed\ubc1c\uc131 \ubd84\uc704\uae30\uc6a9 \uc804\uae30\uc7a5\ube44\uc758 \uc124\uacc4, \uc2dc\ud5d8, \ud45c\uc2dc, \uc124\uce58 \ubc0f \uc720\uc9c0\uad00\ub9ac\uc5d0 \uad00\ud55c \uae30\uc220\ud45c\uc900 \uc2dc\ub9ac\uc988\uc774\ub2e4.<\/p>\n<h3>IECEx<\/h3>\n<p>IECEx\ub294 \uad00\ub828 IEC \ubc0f ISO \ud45c\uc900\uc5d0 \ub530\ub77c \uc81c\ud488 \uc2dc\ud5d8\uacfc \uc81c\uc870\uc790 \ud488\uc9c8\uc2dc\uc2a4\ud15c\uc744 \ud3c9\uac00\ud558\ub294 \uad6d\uc81c \uc778\uc99d\uccb4\uacc4\uc774\ub2e4.<\/p>\n<ul><li>\uc81c\ud488\ud615\uc2dd \uc2dc\ud5d8<\/li><li>Ex Test Report<\/li><li>\uc81c\uc870\uc790 Quality Assessment Report<\/li><li>\uc9c0\uc18d\uc801\uc778 \ud488\uc9c8\uac10\uc0ac<\/li><\/ul>\n<p>IECEx \uc778\uc99d\uc774 \ubaa8\ub4e0 \uad6d\uac00\uc758 \ubc95\uc815\uc2b9\uc778\uc744 \uc790\ub3d9\uc73c\ub85c \ub300\uccb4\ud558\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \uc124\uce58\uad6d\uac00\uc758 \uad6d\uac00\ubcc4 \uc694\uad6c\uc0ac\ud56d\uc744 \ucd94\uac00\ub85c \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p>\n<h3>ATEX<\/h3>\n<p>ATEX Directive 2014\/34\/EU\ub294 EU \uc2dc\uc7a5\uc5d0 \uacf5\uae09\ub418\ub294 \ud3ed\ubc1c\uc704\ud5d8 \ubd84\uc704\uae30\uc6a9 \uc7a5\ube44\uc640 \ubcf4\ud638\uc2dc\uc2a4\ud15c\uc758 \ubc95\uc801 \uc801\ud569\uc131 \uccb4\uacc4\uc774\ub2e4.<\/p>\n<ul><li>\ud544\uc218 \ubcf4\uac74\u00b7\uc548\uc804 \uc694\uad6c\uc0ac\ud56d<\/li><li>\uc801\ud569\uc131\ud3c9\uac00<\/li><li>\uae30\uc220\ubb38\uc11c<\/li><li>EU Declaration of Conformity<\/li><li>CE \ubc0f Ex \uad00\ub828 \ud45c\uc2dc<\/li><\/ul>\n<div class=\"cv9-box cv9-key\"><strong class=\"cv9-box-title\">\ud575\uc2ec<\/strong><div class=\"cv9-eq\"><span class=\"line\">IEC 60079 = \uae30\uc220\ud45c\uc900<\/span><span class=\"line\">IECEx = \uad6d\uc81c \uc778\uc99d\uccb4\uacc4<\/span><span class=\"line\">ATEX = EU \ubc95\uc801 \uc801\ud569\uc131\uccb4\uacc4<\/span><\/div><\/div>\n<h2 id=\"cv9-nameplate\">\uba85\ud310 \ud574\ub3c5 \uc0ac\ub840<\/h2>\n<p>\ub2e4\uc74c \uba85\ud310\uc744 \uac80\ud1a0\ud55c\ub2e4.<\/p>\n<div class=\"cv9-eq\"><span class=\"cv9-code\">Ex db IIC T4 Gb<\/span><\/div>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\ud45c\uc2dc<\/th><th>\uc758\ubbf8<\/th><\/tr><\/thead><tbody><tr><td>Ex<\/td><td>\ud3ed\ubc1c\uc131 \ubd84\uc704\uae30\uc6a9 \ubcf4\ud638\ubc29\uc2dd \uc801\uc6a9<\/td><\/tr><tr><td>db<\/td><td>Flameproof \ubc29\uc2dd, \ubcf4\ud638\uc218\uc900 b<\/td><\/tr><tr><td>IIC<\/td><td>\uac00\uc2a4 \uadf8\ub8f9 IIC<\/td><\/tr><tr><td>T4<\/td><td>\ucd5c\ub300 \ud45c\uba74\uc628\ub3c4 135 \u2103<\/td><\/tr><tr><td>Gb<\/td><td>\uac00\uc2a4\uc6a9 \ub192\uc740 Equipment Protection Level<\/td><\/tr><\/tbody><\/table><\/div>\n<p>\uc124\uce58 \uc694\uad6c\uac00 Zone 1, Gas Group IIB, Temperature Class T4\ub77c\uace0 \uac00\uc815\ud55c\ub2e4.<\/p>\n<div class=\"cv9-eq\"><span class=\"line\">Gb \u21d2 Zone 1 suitability<\/span><span class=\"line\">IIC \u21d2 IIB requirement covered<\/span><span class=\"line\">T4 \u21d2 T4 requirement satisfied<\/span><\/div>\n<p>\uc628\ub3c4\ub4f1\uae09\ub9cc \ube44\uad50\ud558\uba74 T5 \ub610\ub294 T6 \uc7a5\ube44\ub3c4 T4 \uc694\uad6c\ubcf4\ub2e4 \ud5c8\uc6a9 \ucd5c\ub300\ud45c\uba74\uc628\ub3c4\uac00 \ub0ae\ub2e4. \ub2e4\ub9cc \uc8fc\ubcc0\uc628\ub3c4 \ubc94\uc704, \uacf5\uc815 \uc5f4\uc804\ub2ec, \ubcf4\ud638\ubc29\uc2dd \ubc0f \uc778\uc99d\uc11c \uc81c\ud55c\uc870\uac74\uae4c\uc9c0 \ubaa8\ub450 \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4.<\/p>\n<ul><li>\uc778\uc99d\uc11c \ubc88\ud638\uc640 \uc720\ud6a8\uc131<\/li><li>\uc8fc\ubcc0\uc628\ub3c4 \ubc94\uc704<\/li><li>\uacf5\uc815\uc628\ub3c4\uc758 \uc5f4\uc804\ub2ec \uc601\ud5a5<\/li><li>Special Conditions of Use<\/li><li>Cable Gland\uc640 Entry \uc870\uac74<\/li><li>\uc124\uce58\uad6d\uac00\uc758 \ubcc4\ub3c4 \uc778\uc99d<\/li><\/ul>\n<h2 id=\"cv9-xu\">\uc778\uc99d\uc11c \uae30\ud638 X\uc640 U<\/h2>\n<ul><li><strong>X<\/strong>: \uc548\uc804\ud55c \uc0ac\uc6a9\uc744 \uc704\ud55c \ud2b9\ubcc4\uc870\uac74\uc774 \uc874\uc7ac<\/li><li><strong>U<\/strong>: \uc644\uc81c\ud488\uc774 \uc544\ub2cc Ex Component<\/li><\/ul>\n<p>X\uac00 \ubd99\uc740 \uc7a5\ube44\ub294 \uc778\uc99d\uc11c\uc758 \ud2b9\ubcc4\uc870\uac74\uc744 \ubc18\ub4dc\uc2dc \ud655\uc778\ud574\uc57c \ud55c\ub2e4. U\uac00 \ubd99\uc740 \uad6c\uc131\ud488\uc740 \ub2e8\ub3c5\uc73c\ub85c \ud604\uc7a5 \uc124\uce58\ud560 \uc644\uc81c\ud488 \uc778\uc99d\uc744 \uc758\ubbf8\ud558\uc9c0 \uc54a\ub294\ub2e4. \ucd5c\uc885 \uc7a5\ube44 \ub610\ub294 Assembly \ud3c9\uac00\uc5d0 \ud3ec\ud568\ub418\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n<h2 id=\"cv9-step10\">10\ub2e8\uacc4: \uc124\uce58, \ucd08\uae30\uac80\uc0ac, \uc815\uae30\uac80\uc0ac \ubc0f \uc218\ub9ac<\/h2>\n<p>\uc778\uc99d\uc7a5\ube44\ub97c \uad6c\uc785\ud588\ub2e4\uace0 \ud574\uc11c \ubc29\ud3ed \uc801\ud569\uc131\uc774 \uc790\ub3d9\uc73c\ub85c \uc644\uc131\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<h3>\uc124\uce58\uc640 \ucd08\uae30\uac80\uc0ac<\/h3>\n<ul><li>Zone, EPL, Group \ubc0f Temperature Class \uc77c\uce58<\/li><li>\uc778\uc99d\ub41c Cable Gland\uc640 Stopper Plug<\/li><li>\uc678\ud568 Entry\uc758 \ub098\uc0ac \ud615\uc2dd<\/li><li>\uc811\uc9c0\uc640 Bonding<\/li><li>\ubcf8\uc9c8\uc548\uc804 Barrier\uc640 Entity Parameter<\/li><li>IS \ud68c\ub85c\uc640 \ube44IS \ud68c\ub85c\uc758 \ubd84\ub9ac<\/li><li>\uc8fc\ubcc0\uc628\ub3c4\uc640 \uacf5\uc815\uc628\ub3c4<\/li><li>\uc678\ud568 \uccb4\uacb0\uc0c1\ud0dc<\/li><li>\uc778\uc99d\uc11c\uc758 \ud2b9\ubcc4 \uc0ac\uc6a9\uc870\uac74<\/li><li>\ucd08\uae30\uac80\uc0ac\uc640 \ubb38\uc11c\ud654<\/li><li>\uc791\uc5c5\uc790\uc758 \uc801\uc815 \uc5ed\ub7c9<\/li><\/ul>\n<h3>\uc6b4\uc804 \uc911 \uac80\uc0ac\uc640 \uc720\uc9c0\ubcf4\uc218<\/h3>\n<ul><li>\uc678\ud568 \ubd80\uc2dd\uacfc \uade0\uc5f4<\/li><li>\uccb4\uacb0\ubcfc\ud2b8 \ub204\ub77d<\/li><li>Cable Gland \ud480\ub9bc<\/li><li>\uc811\uc9c0\uc190\uc0c1<\/li><li>Flamepath \uc190\uc0c1<\/li><li>\ucf00\uc774\ube14\uacfc \uc530 \uc5f4\ud654<\/li><li>\uba85\ud310 \uc2dd\ubcc4 \uac00\ub2a5 \uc5ec\ubd80<\/li><li>\ubb34\ub2e8 \uac1c\uc870<\/li><li>\ud604\uc7ac Zone\uacfc \uc7a5\ube44 EPL\uc758 \uc77c\uce58<\/li><li>\uc8fc\ubcc0\u00b7\uacf5\uc815\uc870\uac74 \ubcc0\uacbd<\/li><\/ul>\n<h3>\uc218\ub9ac\uc640 \ubcf5\uc6d0<\/h3>\n<p>IEC 60079-19\uc758 \uad00\uc810\uc5d0\uc11c Ex \uc7a5\ube44\uc758 \uc218\ub9ac\ub294 \ub2e8\uc21c \uae30\ub2a5\ubcf5\uc6d0\uc774 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"cv9-eq\">Ex \uc218\ub9ac \uc131\uacf5 = \uae30\ub2a5 \ubcf5\uc6d0 + \ubcf4\ud638\uac1c\ub150 \ubcf5\uc6d0 + \ucd94\uc801\uc131 \ud655\ubcf4<\/div>\n<ul><li>\uc678\ud568\uc758 \uc784\uc758 \ucc9c\uacf5<\/li><li>\ube44\uc778\uc99d \ubcfc\ud2b8 \uc0ac\uc6a9<\/li><li>Flamepath \uc784\uc758 \uc5f0\uc0ad<\/li><li>Cable Entry \ubcc0\uacbd<\/li><li>\ube44\uc2b9\uc778 \ub0b4\ubd80\ubd80\ud488 \uc0ac\uc6a9<\/li><li>\ud68c\ub85c \ubcc0\uacbd<\/li><li>\uba85\ud310 \ub610\ub294 \uc778\uc99d\ud45c\uc2dc \uc81c\uac70<\/li><\/ul>\n<h2 id=\"cv9-ip\">IP\u00b7NEMA \uc678\ud568\ub4f1\uae09\uacfc \ubc29\ud3ed\uc758 \ucc28\uc774<\/h2>\n<p>IP \ub610\ub294 NEMA \uc678\ud568\ub4f1\uae09\uc740 \ubb3c\uacfc \uba3c\uc9c0\uc758 \uce68\uc785\ubcf4\ud638\ub97c \ub098\ud0c0\ub0b8\ub2e4. Ex \ud45c\uc2dc\ub294 \ud3ed\ubc1c\uc131 \ubd84\uc704\uae30\uc758 \uc810\ud654\ub97c \ubc29\uc9c0\ud558\ub294 \ubcf4\ud638\uac1c\ub150\uc744 \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n<div class=\"cv9-eq\">IP \ub610\ub294 NEMA \uc678\ud568\ub4f1\uae09 \u2260 \ubc29\ud3ed \uc2b9\uc778<\/div>\n<div class=\"cv9-eq\"><span class=\"cv9-code\">IP66<\/span><\/div>\n<ul><li>\uccab \ubc88\uc9f8 \uc22b\uc790 6: \ubd84\uc9c4 \uce68\uc785 \ubc29\uc9c0<\/li><li>\ub450 \ubc88\uc9f8 \uc22b\uc790 6: \uac15\ud55c \ubb3c \ubd84\uc0ac \ubcf4\ud638<\/li><\/ul>\n<p>\uadf8\ub7ec\ub098 IP66\ub9cc\uc73c\ub85c Zone 1 \uc0ac\uc6a9\uc774 \uc2b9\uc778\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"cv9-eq\"><span class=\"cv9-code\">Ex db IIC T4 Gb<\/span> + <span class=\"cv9-code\">IP66<\/span> + \uc801\uc815 \uc8fc\ubcc0\uc628\ub3c4 + \uc9c0\uc5ed \uc778\uc99d<\/div>\n<h2 id=\"cv9-standards\">\ud604\ud589 \uc8fc\uc694 \ud45c\uc900 \uae30\uc900\ud45c<\/h2>\n<p>\uc544\ub798 \ud45c\ub294 2026\ub144 8\uc6d4 \ubb38\uc11c \uc791\uc131 \uc2dc\uc810\uc758 \ud655\uc778 \uae30\uc900\uc774\ub2e4. \uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uacc4\uc57d\uc77c\uc5d0 \ud604\ud589\ud310\uacfc \uc801\uc6a9\ud310\uc744 \ub2e4\uc2dc \ud655\uc778\ud55c\ub2e4.<\/p>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\ud45c\uc900\u00b7\uccb4\uacc4<\/th><th>\uc801\uc6a9\uc601\uc5ed<\/th><th>\ubcf8 \ubb38\uc11c\uc5d0\uc11c\uc758 \uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td>ASME B16.34-2025<\/td><td>\uc555\ub825\uacbd\uacc4 \ubc38\ube0c<\/td><td>\uc555\ub825\u2013\uc628\ub3c4 \ub4f1\uae09, \uc7ac\uc9c8, \uac80\uc0ac, \uc2dc\ud5d8, \ud45c\uc2dc<\/td><\/tr><tr><td>IEC 60534-1:2023<\/td><td>\uc0b0\uc5c5\uc6a9 \uc81c\uc5b4\ubc38\ube0c<\/td><td>\uc6a9\uc5b4\uc640 IEC 60534 \uc2dc\ub9ac\uc988\uc758 \uc801\uc6a9\uc6d0\uce59<\/td><\/tr><tr><td>IEC 60534-2-1:2011 \ubc0f COR1:2015<\/td><td>\uc720\ub7c9 \uc0ac\uc774\uc9d5<\/td><td>\uc124\uce58\uc870\uac74\uc5d0\uc11c \uc555\ucd95\uc131\u00b7\ube44\uc555\ucd95\uc131 \uc720\ub7c9\uacc4\uc0b0<\/td><\/tr><tr><td>IEC 60534-4:2021<\/td><td>\uac80\uc0ac\uc640 Routine Test<\/td><td>\uc81c\uc5b4\ubc38\ube0c\uc758 \uac80\uc0ac \ubc0f \uc0dd\uc0b0\uc2dc\ud5d8<\/td><\/tr><tr><td>IEC 60534-8-3:2010<\/td><td>\uacf5\ub825\uc18c\uc74c<\/td><td>\uc555\ucd95\uc131 \uc720\uccb4\uc758 \uc678\ubd80 \uc74c\uc555\uc608\uce21<\/td><\/tr><tr><td>IEC 60534-9:2007 \ubc0f COR1:2008<\/td><td>\ub3d9\ud2b9\uc131 \uc2dc\ud5d8<\/td><td>Step \uc785\ub825\uc5d0 \ub300\ud55c \uc751\ub2f5 \uce21\uc815\uacfc \ubcf4\uace0<\/td><\/tr><tr><td>ANSI\/FCI 70-2-2021<\/td><td>Seat Leakage<\/td><td>\uc815\uc758\ub41c \uc870\uac74\uc758 \ucd5c\ub300 \ud5c8\uc6a9 \uc2dc\ud2b8\ub204\uc124<\/td><\/tr><tr><td>ISO 15848-1:2015 \ubc0f Amd 1:2017<\/td><td>Fugitive Emission \ud615\uc2dd\uc2dc\ud5d8<\/td><td>\uc678\ubd80\ub204\uc124 \uc131\ub2a5\ubd84\ub958\uc640 \ud615\uc2dd\uc778\uc99d<\/td><\/tr><tr><td>ISO 15848-2:2015<\/td><td>\uc0dd\uc0b0\ubc38\ube0c \uc678\ubd80\ub204\uc124 \uc2dc\ud5d8<\/td><td>Production Acceptance Test<\/td><\/tr><tr><td>ANSI\/NACE MR0175 \/ ISO 15156-1\/-2\/-3:2020<\/td><td>\uc11d\uc720\u00b7\uac00\uc2a4 \uc0dd\uc0b0\uc758 H<sub>2<\/sub>S \ud658\uacbd<\/td><td>\uade0\uc5f4\uc800\ud56d \uc7ac\ub8cc\uc758 \uc120\uc815\uacfc \uac80\uc99d<\/td><\/tr><tr><td>ANSI\/NACE MR0103 \/ ISO 17945:2015<\/td><td>Sour Refinery Environment<\/td><td>\uc815\uc720\ud658\uacbd\uc758 SSC \uc800\ud56d \uc7ac\ub8cc<\/td><\/tr><tr><td>IEC 60079-0:2026<\/td><td>Ex \uc7a5\ube44 \uc77c\ubc18\uc694\uac74<\/td><td>\uc81c\uc791, \uc2dc\ud5d8 \ubc0f \ud45c\uc2dc\uc758 \uacf5\ud1b5\uc694\uac74<\/td><\/tr><tr><td>IEC 60079-10-1:2020<\/td><td>\uac00\uc2a4 \uc704\ud5d8\uad6c\uc5ed \ubd84\ub958<\/td><td>Zone 0, 1, 2 \uacb0\uc815<\/td><\/tr><tr><td>IEC 60079-10-2:2026<\/td><td>\ubd84\uc9c4 \uc704\ud5d8\uad6c\uc5ed \ubd84\ub958<\/td><td>Zone 20, 21, 22 \uacb0\uc815<\/td><\/tr><tr><td>IEC 60079-11:2023<br>(2026\ub144 7\uc6d4 \uc815\uc815\ubcf8 \ubc18\uc601)<\/td><td>Intrinsic Safety \u201ci\u201d<\/td><td>\ubcf8\uc9c8\uc548\uc804 \uc7a5\ube44\uc640 \uad00\ub828\uae30\uae30<\/td><\/tr><tr><td>IEC 60079-1:2014<\/td><td>Flameproof Enclosure \u201cd\u201d<\/td><td>\ub0b4\uc555\ubc29\ud3ed \uc678\ud568\uc758 \uc124\uacc4\u00b7\uc2dc\ud5d8\u00b7\ud45c\uc2dc<\/td><\/tr><tr><td>IEC 60079-7:2015 \ubc0f AMD1:2017<\/td><td>Increased Safety \u201ce\u201d<\/td><td>Ex eb \ubc0f Ex ec \uc7a5\ube44\uc758 \uc124\uacc4\u00b7\uc2dc\ud5d8<\/td><\/tr><tr><td>IEC 60079-15:2017<\/td><td>Type of Protection \u201cn\u201d<\/td><td>nC \ubc0f nR \uc7a5\ube44\uc758 \uc124\uacc4\u00b7\uc2dc\ud5d8<\/td><\/tr><tr><td>IEC 60079-25:2020 \ubc0f AMD1:2025<\/td><td>Intrinsically Safe Electrical Systems<\/td><td>\ubcf8\uc9c8\uc548\uc804 \uc2dc\uc2a4\ud15c\uacfc \uc0c1\ud638\uc811\uc18d \uac80\uc99d<\/td><\/tr><tr><td>IEC 60079-31:2022<\/td><td>Dust Ignition Protection by Enclosure \u201ct\u201d<\/td><td>\ubd84\uc9c4\uc6a9 \uc678\ud568\ubcf4\ud638\uc640 \ud45c\uba74\uc628\ub3c4 \uc81c\ud55c<\/td><\/tr><tr><td>IEC 60079-14:2024<\/td><td>\uc124\uacc4\u00b7\uc120\uc815\u00b7\uc124\uce58<\/td><td>Ex \uc804\uae30\uc124\ube44 \uc124\uce58\uc640 \ucd08\uae30\uac80\uc0ac<\/td><\/tr><tr><td>IEC 60079-17:2023<\/td><td>\uac80\uc0ac\u00b7\uc720\uc9c0\ubcf4\uc218<\/td><td>\uc6b4\uc804 \uc911 Ex \uc124\ube44 \uac74\uc804\uc131 \uc720\uc9c0<\/td><\/tr><tr><td>IEC 60079-19:2025<\/td><td>\uc218\ub9ac\u00b7Overhaul\u00b7\ubcf5\uc6d0<\/td><td>Ex \ubcf4\ud638\uac1c\ub150\uc744 \uc720\uc9c0\ud558\ub294 \uc218\ub9ac<\/td><\/tr><tr><td>ISO 80079-36:2016 \ubc0f COR1:2019<\/td><td>\ube44\uc804\uae30 Ex \uc7a5\ube44<\/td><td>\uc810\ud654\uc704\ud5d8\ud3c9\uac00\uc640 \uae30\ubcf8\uc694\uac74<\/td><\/tr><tr><td>ISO 80079-37:2016<\/td><td>\ube44\uc804\uae30 \ubcf4\ud638\ubc29\uc2dd<\/td><td>\uad6c\uc870\uc548\uc804 c, \uc810\ud654\uc6d0 \uc81c\uc5b4 b, \uc561\uccb4\uce68\uc9c0 k<\/td><\/tr><tr><td>IECEx<\/td><td>\uad6d\uc81c Ex \uc778\uc99d\uccb4\uacc4<\/td><td>\uc81c\ud488\uc2dc\ud5d8\uacfc \uc81c\uc870\ud488\uc9c8\uc758 \uc81c3\uc790 \uc801\ud569\uc131\ud3c9\uac00<\/td><\/tr><tr><td>ATEX Directive 2014\/34\/EU<\/td><td>EU \ubc95\uc801 \uc801\ud569\uc131<\/td><td>EU \uc2dc\uc7a5\uc6a9 Ex \uc7a5\ube44\uc758 \uc801\ud569\uc131\ud3c9\uac00\uc640 \ud45c\uc2dc<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 id=\"cv9-checklist\">\ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591\uc11c \uc791\uc131 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n<ol class=\"\"><li>\uc124\uce58\uad6d\uac00\uc640 \uc801\uc6a9 \ubc95\ub839\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li><li>\uc801\uc6a9 Code\uc640 \ud45c\uc900\uc758 Part \ubc0f Edition\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li><li>\uc124\uacc4\uc555\ub825\uacfc \uc124\uacc4\uc628\ub3c4\uc5d0\uc11c Pressure Class\ub97c \uac80\uc99d\ud55c\ub2e4.<\/li><li>\ubc14\ub514, \ubcf4\ub2db, \ud2b8\ub9bc, \ubcfc\ud305 \ubc0f \ud328\ud0b9 \uc7ac\uc9c8\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li><li>\ucd5c\uc18c\u00b7\uc815\uc0c1\u00b7\ucd5c\ub300 \uc720\ub7c9\uc758 C<sub>v<\/sub>\uc640 Travel\uc744 \uac80\uc99d\ud55c\ub2e4.<\/li><li>Seat Leakage\uc640 Fugitive Emission\uc744 \ubd84\ub9ac\ud558\uc5ec \uc694\uad6c\ud55c\ub2e4.<\/li><li>Sour Service\uc774\uba74 \uc0dd\uc0b0\uc124\ube44\uc640 \uc815\uc720\uc124\ube44\ub97c \uad6c\ubd84\ud55c\ub2e4.<\/li><li>\uc704\ud5d8\uc7a5\uc18c\uc758 Zone \ub610\ub294 Class\/Division\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li><li>Gas \ub610\ub294 Dust Group\uc744 \uba85\uc2dc\ud55c\ub2e4.<\/li><li>\uc694\uad6c EPL\uacfc Temperature Class\ub97c \uba85\uc2dc\ud55c\ub2e4.<\/li><li>\uac01 \ubd80\uc18d\ud488\uc758 \ubcf4\ud638\ubc29\uc2dd\uacfc \uc778\uc99d\uc11c\ub97c \ud655\uc778\ud55c\ub2e4.<\/li><li>\uc778\uc99d\uc11c\uc758 X, U \ubc0f \ud2b9\ubcc4\uc870\uac74\uc744 \ud655\uc778\ud55c\ub2e4.<\/li><li>Cable Gland, Barrier, \ucf00\uc774\ube14 \ubc0f \uc811\uc9c0\uc870\uac74\uc744 \uac80\uc99d\ud55c\ub2e4.<\/li><li>\ucd08\uae30\uac80\uc0ac, \uc815\uae30\uac80\uc0ac \ubc0f \uc218\ub9ac\uae30\ub85d\uc744 \uad00\ub9ac\ud55c\ub2e4.<\/li><\/ol>\n<h2 id=\"cv9-misunderstanding\">\uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \uc624\ud574<\/h2>\n<div class=\"cv9-table-wrap\"><table><thead><tr><th>\uc798\ubabb\ub41c \ud574\uc11d<\/th><th>\uc62c\ubc14\ub978 \ud574\uc11d<\/th><\/tr><\/thead><tbody><tr><td>ATEX\uc640 IECEx\ub294 \uac19\uc740 \ud45c\uc900\uc774\ub2e4.<\/td><td>ATEX\ub294 EU \ubc95\uc801 \uccb4\uacc4\uc774\uace0, IECEx\ub294 \uad6d\uc81c \uc778\uc99d\uccb4\uacc4\uc774\ub2e4.<\/td><\/tr><tr><td>IEC 60079 \ud45c\uc900\uc5d0 \uc801\ud569\ud558\uba74 \ubaa8\ub4e0 \uad6d\uac00\uc5d0\uc11c \uc790\ub3d9 \uc2b9\uc778\ub41c\ub2e4.<\/td><td>IEC 60079\ub294 \uae30\uc220\ud45c\uc900\uc774\uba70, \uc124\uce58\uad6d\uac00\uc758 \ubcc4\ub3c4 \ubc95\ub839\uacfc \uc778\uc99d\uc694\uad6c\ub97c \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/td><\/tr><tr><td>IP66\uc774\uba74 \ubc29\ud3ed\uc7a5\ube44\uc774\ub2e4.<\/td><td>IP\ub294 \uce68\uc785\ubcf4\ud638\uc774\uace0 Ex\ub294 \uc810\ud654\ubc29\uc9c0\uc774\ub2e4.<\/td><\/tr><tr><td>Zone 1 \uc7a5\ube44\ub77c\uace0\ub9cc \uc4f0\uba74 \ucda9\ubd84\ud558\ub2e4.<\/td><td>EPL, Group, T Code \ubc0f \ubcf4\ud638\ubc29\uc2dd\uc744 \ud568\uaed8 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/td><\/tr><tr><td>IIC \uc7a5\ube44\ub294 IIA \uc9c0\uc5ed\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub2e4.<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c IIC\uac00 \ub354 \uc5c4\uaca9\ud558\uc9c0\ub9cc \uc778\uc99d\uc11c \uc81c\ud55c\uc870\uac74\uc744 \ud655\uc778\ud55c\ub2e4.<\/td><\/tr><tr><td>Seat Leakage\uc640 Fugitive Emission\uc740 \uac19\uc740 \ub204\uc124\uc774\ub2e4.<\/td><td>\uc804\uc790\ub294 \ub0b4\ubd80\ub204\uc124, \ud6c4\uc790\ub294 \ub300\uae30\ub85c\uc758 \uc678\ubd80\ub204\uc124\uc774\ub2e4.<\/td><\/tr><tr><td>\ubaa8\ub4e0 \uc218\ub3d9\ubc38\ube0c\uc5d0\ub294 \ube44\uc804\uae30 Ex \uc778\uc99d\uc774 \ud544\uc694\ud558\ub2e4.<\/td><td>\uc790\uccb4 \uc7a0\uc7ac \uc810\ud654\uc6d0\uc758 \uc874\uc7ac\uc640 \uc801\uc6a9\ubc94\uc704\ub97c \uba3c\uc800 \ud3c9\uac00\ud55c\ub2e4.<\/td><\/tr><tr><td>Ex \uc7a5\ube44\ub294 \uae30\ub2a5\ub9cc \ubcf5\uc6d0\ub418\uba74 \uc218\ub9ac\uac00 \uc644\ub8cc\ub41c\ub2e4.<\/td><td>\ubcf4\ud638\uac1c\ub150\uacfc \ucd94\uc801\uc131\ub3c4 \ud568\uaed8 \ubcf5\uc6d0\ud574\uc57c \ud55c\ub2e4.<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 id=\"cv9-conclusion\">\uae30\uc220\uc0ac \ub2f5\uc548\uc6a9 \uacb0\ub860<\/h2>\n<div class=\"cv9-box cv9-solution\"><strong class=\"cv9-box-title\">\uacb0\ub860<\/strong><p>\uc81c\uc5b4\ubc38\ube0c\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc740 \uc555\ub825\uacbd\uacc4, \uc81c\uc5b4\uc131\ub2a5, \ub204\uc124\uc131\ub2a5, \uc7ac\uc9c8, \ubc29\ud3ed \ubc0f \uc218\uba85\uc8fc\uae30 \uad00\ub9ac\uc758 \uacb0\ud569\uc73c\ub85c \ud655\ubcf4\ud55c\ub2e4.<\/p><p>\uba3c\uc800 ASME B16.34\uc640 \ubc30\uad00 Code\ub97c \uae30\uc900\uc73c\ub85c \uc124\uacc4\uc628\ub3c4\uc5d0\uc11c \ubc38\ube0c \ubcf8\uccb4\uc758 \uc555\ub825\uacbd\uacc4\ub97c \uac80\uc99d\ud55c\ub2e4.<\/p><p>\ub2e4\uc74c\uc73c\ub85c IEC 60534\uc5d0 \ub530\ub77c \ubc38\ube0c\uc758 \uc6a9\ub7c9, \uc720\ub7c9\ud2b9\uc131, \uac80\uc0ac, \uc18c\uc74c \ubc0f \uc751\ub2f5\uc131\ub2a5\uc744 \ud3c9\uac00\ud55c\ub2e4.<\/p><p>Seat Leakage\uc640 Fugitive Emission\uc740 \uc11c\ub85c \ub2e4\ub978 \ub204\uc124\uacbd\ub85c\uc774\ubbc0\ub85c \uac01\uac01 IEC 60534 \ub610\ub294 FCI 70-2\uc640 ISO 15848\ub85c \uac80\uc99d\ud55c\ub2e4.<\/p><p>\uc704\ud5d8\uc7a5\uc18c\uc5d0\uc11c\ub294 Zone, Equipment Group, EPL \ubc0f Temperature Class\ub97c \uacb0\uc815\ud55c \ud6c4 Ex i, Ex d, Ex e, Ex t \ub4f1\uc758 \uc810\ud654\ubc29\uc9c0 \ubc29\uc2dd\uc744 \uc120\uc815\ud55c\ub2e4.<\/p><p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c IECEx, ATEX \ub610\ub294 \uc124\uce58\uad6d\uac00 \uc778\uc99d\uc870\uac74\uc5d0 \ub530\ub77c \uc124\uce58\u00b7\ucd08\uae30\uac80\uc0ac\u00b7\uc815\uae30\uac80\uc0ac\u00b7\uc218\ub9ac\ub97c \uc218\ud589\ud558\uc5ec \uc124\ube44\uc758 \uc804\uccb4 \uc218\uba85 \ub3d9\uc548 \uc801\ud569\uc131\uc744 \uc720\uc9c0\ud55c\ub2e4.<\/p><\/div>\n<div class=\"cv9-eq\">\uc124\uacc4 \u2192 \uc2dc\ud5d8 \u2192 \uc778\uc99d \u2192 \uc124\uce58 \u2192 \uac80\uc0ac \u2192 \uc218\ub9ac \u2192 \uc801\ud569\uc131 \uc720\uc9c0<\/div>\n<h2 id=\"cv9-references\">\ucc38\uace0\uc790\ub8cc<\/h2>\n<ul><li>Emerson, <em>Control Valve Handbook<\/em>, Chapter 9: Standards and Approvals.<\/li><li>ASME B16.34, <em>Valves\u2014Flanged, Threaded, and Welding End<\/em>.<\/li><li>IEC 60534 Series, <em>Industrial-Process Control Valves<\/em>.<\/li><li>IEC 60079 Series, <em>Explosive Atmospheres<\/em>.<\/li><li>ISO 15848 Series, <em>Fugitive Emissions of Industrial Valves<\/em>.<\/li><li>ISO 80079-36 and ISO 80079-37, <em>Non-Electrical Ex Equipment<\/em>.<\/li><li>ANSI\/NACE MR0175 \/ ISO 15156.<\/li><li>ANSI\/NACE MR0103 \/ ISO 17945.<\/li><li>ATEX Directive 2014\/34\/EU.<\/li><li>IECEx Certified Equipment Scheme.<\/li><\/ul>\n<\/div>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/08\/valve-2-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"valve-2\uc758 \uc0bd\uc785.\"><\/object><a id=\"wp-block-file--media-1d4aa88c-05f6-493c-a5ee-71a4ff903b4f\" href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/08\/valve-2-1.pdf\">valve-2<\/a><a href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/08\/valve-2-1.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-1d4aa88c-05f6-493c-a5ee-71a4ff903b4f\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"topic_id\": \"control_valve_standards_hazardous_area_ex_approval_lifecycle\",\n  \"title\": \"Control Valve Handbook Chapter 9 \uc81c\uc5b4\ubc38\ube0c \ud45c\uc900 \ubc0f \uc704\ud5d8\uc7a5\uc18c \uc2b9\uc778\",\n  \"language\": \"ko\",\n  \"reference_date\": \"2026-08-05\",\n  \"document_type\": \"technical_exam_and_engineering_reference\",\n  \"purpose\": &#91;\n    \"\uc0b0\uc5c5\uacc4\uce21\uc81c\uc5b4\uae30\uc220\uc0ac \ub2f5\uc548 \uc791\uc131\",\n    \"\uc81c\uc5b4\ubc38\ube0c \uc124\uacc4 \ubc0f \uad6c\ub9e4\uc0ac\uc591\uc11c \uc791\uc131\",\n    \"\uc81c\uc5b4\ubc38\ube0c \uc704\ud5d8\uc7a5\uc18c \uc801\ud569\uc131 \uac80\ud1a0\",\n    \"\ubc29\ud3ed \uba85\ud310\uacfc \uc778\uc99d\uc11c \ud574\ub3c5\",\n    \"\uc124\uce58\u00b7\uac80\uc0ac\u00b7\uc218\ub9ac \ub2e8\uacc4\uc758 \uc801\ud569\uc131 \uc720\uc9c0\"\n  ],\n  \"source_basis\": {\n    \"handbook_source\": {\n      \"name\": \"Emerson Control Valve Handbook\",\n      \"chapter\": 9,\n      \"original_title\": \"Standards and Approvals\",\n      \"preserved_topics\": &#91;\n        \"control valve standards\",\n        \"hazardous location approvals\",\n        \"Class and Division system\",\n        \"Zone system\",\n        \"equipment groups\",\n        \"equipment subgroups\",\n        \"types of protection\",\n        \"equipment protection levels\",\n        \"temperature codes\",\n        \"nomenclature and markings\",\n        \"protection techniques\",\n        \"enclosure ratings\"\n      ]\n    },\n    \"modernization_basis\": {\n      \"method\": \"\uae30\uc874 Chapter 9 \ub0b4\uc6a9\uc744 \uc2e4\uc81c \uc124\uacc4\u00b7\uad6c\ub9e4\u00b7\uc124\uce58\u00b7\uc6b4\uc804 \uc218\uba85\uc8fc\uae30 \uc21c\uc11c\ub85c \uc7ac\uad6c\uc131\",\n      \"official_source_types\": &#91;\n        \"ASME official standards catalogue\",\n        \"IEC Webstore\",\n        \"ISO official catalogue\",\n        \"FCI official standards listing\",\n        \"AMPP official standards catalogue\",\n        \"IECEx official certification scheme\",\n        \"EUR-Lex ATEX Directive\"\n      ],\n      \"important_note\": \"\uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uacc4\uc57d\uc77c \uae30\uc900 \ud604\ud589 Edition, \uc124\uce58\uad6d\uac00 \ubc95\ub839 \ubc0f \ubc1c\uc8fc\ucc98 \uc0ac\uc591\uc744 \ub2e4\uc2dc \ud655\uc778\ud55c\ub2e4.\"\n    }\n  },\n  \"core_statement\": \"\uc81c\uc5b4\ubc38\ube0c\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc740 \uc555\ub825\uacbd\uacc4, \uc81c\uc5b4\uc131\ub2a5, \ub204\uc124\uc131\ub2a5, \uc7ac\uc9c8, \uc704\ud5d8\uc7a5\uc18c \ubcf4\ud638, \uc778\uc99d, \uc124\uce58, \uac80\uc0ac \ubc0f \uc218\ub9ac\uc758 \uacb0\ud569\uc73c\ub85c \ud655\ubcf4\ud55c\ub2e4.\",\n  \"core_equation\": \"control_valve_conformity = pressure_boundary_integrity + control_performance + leakage_and_material_compliance + explosion_protection_compliance + lifecycle_compliance\",\n  \"engineering_story\": {\n    \"example_process\": {\n      \"fluid\": \"flammable hydrocarbon\",\n      \"design_pressure\": \"80 bar\",\n      \"design_temperature\": \"250 degC\",\n      \"seat_leakage_requirement\": \"Class IV\",\n      \"fugitive_emission_requirement\": \"low-emission packing\",\n      \"hazardous_area\": \"Zone 1\",\n      \"gas_group\": \"IIB\",\n      \"temperature_class\": \"T4\",\n      \"fail_action\": \"Fail-Close\"\n    },\n    \"workflow\": &#91;\n      \"\uc124\uce58\uad6d\uac00 \ubc95\ub839\uacfc \ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591\uc744 \ud655\uc778\ud55c\ub2e4.\",\n      \"\ubc38\ube0c \ubcf8\uccb4\uc640 \ubcf4\ub2db\uc758 \uc555\ub825\uacbd\uacc4\ub97c \uac80\uc99d\ud55c\ub2e4.\",\n      \"Cv, \uc720\ub7c9\ud2b9\uc131, \uc18c\uc74c \ubc0f \uc751\ub2f5\uc131\uc744 \uac80\uc99d\ud55c\ub2e4.\",\n      \"Seat Leakage\uc640 Fugitive Emission\uc744 \uad6c\ubd84\ud558\uc5ec \uac80\uc99d\ud55c\ub2e4.\",\n      \"\uacf5\uc815\ud658\uacbd\uc5d0 \uc801\ud569\ud55c \uc7ac\uc9c8\uc744 \uc120\uc815\ud55c\ub2e4.\",\n      \"\uac00\uc2a4 \ub610\ub294 \ubd84\uc9c4 \uc704\ud5d8\uad6c\uc5ed\uc744 \ubd84\ub958\ud55c\ub2e4.\",\n      \"Equipment Group, EPL \ubc0f Temperature Class\ub97c \uacb0\uc815\ud55c\ub2e4.\",\n      \"\uc810\ud654\ubc29\uc9c0 \ubcf4\ud638\ubc29\uc2dd\uc744 \uc120\uc815\ud55c\ub2e4.\",\n      \"IECEx, ATEX \ub610\ub294 \uad6d\uac00\ubcc4 \uc778\uc99d\uc11c\ub97c \ud655\uc778\ud55c\ub2e4.\",\n      \"\uc778\uc99d\uc870\uac74\uc5d0 \ub530\ub77c \uc124\uce58, \uac80\uc0ac, \uc720\uc9c0\ubcf4\uc218 \ubc0f \uc218\ub9ac\ub97c \uc218\ud589\ud55c\ub2e4.\"\n    ]\n  },\n  \"standard_hierarchy\": {\n    \"priority_order\": &#91;\n      \"installation_country_law\",\n      \"owner_and_project_specification\",\n      \"design_code\",\n      \"product_and_test_standard\",\n      \"certificate_and_manufacturer_documentation\"\n    ],\n    \"definitions\": {\n      \"law_or_directive\": \"\uc81c\ud488\uc758 \uc2dc\uc7a5\ucd9c\uc2dc, \uc124\uce58 \ub610\ub294 \uc0ac\uc6a9\uc744 \uaddc\uc815\ud558\ub294 \ubc95\uc801 \uc694\uad6c\",\n      \"design_code\": \"\uc555\ub825\uacbd\uacc4\uc640 \ubc30\uad00\uc2dc\uc2a4\ud15c\uc758 \uc124\uacc4\uae30\uc900\",\n      \"product_standard\": \"\uc81c\ud488\uc758 \uc131\ub2a5, \uc2dc\ud5d8, \ud45c\uc2dc \ubc0f \ud3c9\uac00\ubc29\ubc95\uc744 \ud1b5\uc77c\ud558\ub294 \uae30\uc220\uae30\uc900\",\n      \"certification_scheme\": \"\uc81c3\uc790\uac00 \uc81c\ud488\uacfc \uc81c\uc870\ud488\uc9c8\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc744 \ud3c9\uac00\ud558\ub294 \uccb4\uacc4\",\n      \"project_specification\": \"\uacf5\uc815\uc870\uac74\uacfc \ubc1c\uc8fc\uc790\uc758 \ucd94\uac00 \uc694\uad6c\uc0ac\ud56d\"\n    }\n  },\n  \"pressure_boundary\": {\n    \"objective\": \"\uacf5\uc815\uc720\uccb4\ub97c \uc124\uacc4\uc555\ub825\uacfc \uc124\uacc4\uc628\ub3c4\uc5d0\uc11c \uc548\uc804\ud558\uac8c \ubcf4\uc720\",\n    \"main_standard\": \"ASME B16.34-2025\",\n    \"components\": &#91;\n      \"valve body\",\n      \"bonnet\",\n      \"body-bonnet joint\",\n      \"bolting\",\n      \"end connections\",\n      \"pressure-retaining seals and gaskets\"\n    ],\n    \"verification_equation\": \"P_allow(T_design) &gt;= P_design\",\n    \"important_note\": \"Pressure Class\ub294 \ubaa8\ub4e0 \uc628\ub3c4\uc5d0\uc11c \uac19\uc740 \ud5c8\uc6a9\uc555\ub825\uc744 \uc758\ubbf8\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \uc124\uacc4\uc628\ub3c4\uc758 Pressure-Temperature Rating\uc744 \ud655\uc778\ud55c\ub2e4.\",\n    \"required_documents\": &#91;\n      \"valve datasheet\",\n      \"pressure-temperature rating\",\n      \"material test certificate\",\n      \"hydrostatic test report\",\n      \"NDE report\",\n      \"heat number and material traceability\",\n      \"nameplate\"\n    ]\n  },\n  \"control_valve_performance\": {\n    \"primary_standard_series\": \"IEC 60534\",\n    \"standards\": &#91;\n      {\n        \"standard\": \"IEC 60534-1:2023\",\n        \"role\": \"\uc81c\uc5b4\ubc38\ube0c \uc6a9\uc5b4 \ubc0f \ub2e4\ub978 Part\uc758 \uc801\uc6a9\uc6d0\uce59\"\n      },\n      {\n        \"standard\": \"IEC 60534-2-1:2011 and COR1:2015\",\n        \"role\": \"\uc124\uce58\uc870\uac74\uc5d0\uc11c \uc555\ucd95\uc131 \ubc0f \ube44\uc555\ucd95\uc131 \uc720\ub7c9 \uc0ac\uc774\uc9d5\"\n      },\n      {\n        \"standard\": \"IEC 60534-2-3\",\n        \"role\": \"\uc720\ub7c9\uc6a9\ub7c9 \uc2dc\ud5d8\"\n      },\n      {\n        \"standard\": \"IEC 60534-2-4\",\n        \"role\": \"\uace0\uc720 \uc720\ub7c9\ud2b9\uc131\uacfc Rangeability\"\n      },\n      {\n        \"standard\": \"IEC 60534-3 series\",\n        \"role\": \"\uba74\uac04 \ubc0f \uc911\uc2ec\uac04 \uce58\uc218\"\n      },\n      {\n        \"standard\": \"IEC 60534-4:2021\",\n        \"role\": \"\uac80\uc0ac\uc640 Routine Test\"\n      },\n      {\n        \"standard\": \"IEC 60534-8 series\",\n        \"role\": \"\uacf5\ub825 \ubc0f \uc218\ub825 \uc18c\uc74c\"\n      },\n      {\n        \"standard\": \"IEC 60534-9:2007 and COR1:2008\",\n        \"role\": \"Step \uc785\ub825\uc5d0 \ub300\ud55c \uc751\ub2f5\uc2dc\ud5d8\"\n      }\n    ],\n    \"design_checks\": &#91;\n      \"minimum normal and maximum flow Cv\",\n      \"normal operating travel\",\n      \"installed flow characteristic\",\n      \"rangeability\",\n      \"choked flow\",\n      \"cavitation\",\n      \"flashing\",\n      \"outlet Mach number\",\n      \"aerodynamic and hydrodynamic noise\",\n      \"actuator thrust or torque\",\n      \"fail action\",\n      \"response time\",\n      \"deadband\"\n    ],\n    \"standard_role\": \"\ud45c\uc900\uc740 \ubc38\ube0c \ud06c\uae30\ub97c \uc9c1\uc811 \uacb0\uc815\ud558\uae30\ubcf4\ub2e4 \uc785\ub825\uc870\uac74, \uacc4\uc0b0\uc2dd, \uc2dc\ud5d8\uc870\uac74, \uce21\uc815\ubc29\ubc95 \ubc0f \uacb0\uacfc\ud45c\uc2dc\ub97c \ud1b5\uc77c\ud55c\ub2e4.\"\n  },\n  \"leakage\": {\n    \"seat_leakage\": {\n      \"definition\": \"\ub2eb\ud78c \ubc38\ube0c\uc758 \ud50c\ub7ec\uadf8\uc640 \uc2dc\ud2b8 \uc0ac\uc774\ub97c \ud1b5\ud574 \uc0c1\ub958\uc5d0\uc11c \ud558\ub958\ub85c \ud750\ub974\ub294 \ub0b4\ubd80\ub204\uc124\",\n      \"path\": \"upstream -&gt; plug-seat interface -&gt; downstream\",\n      \"standards\": &#91;\n        \"IEC 60534-4\",\n        \"ANSI\/FCI 70-2-2021\"\n      ],\n      \"primary_purpose\": \"shutoff performance\"\n    },\n    \"fugitive_emission\": {\n      \"definition\": \"\uc2a4\ud15c \ud328\ud0b9, \uc0e4\ud504\ud2b8 \uc530 \ub610\ub294 \ubcf8\uccb4 \uc811\ud569\ubd80\ub97c \ud1b5\ud574 \uacf5\uc815\uc720\uccb4\uac00 \ub300\uae30\ub85c \ub204\ucd9c\ub418\ub294 \uc678\ubd80\ub204\uc124\",\n      \"paths\": &#91;\n        \"stem packing\",\n        \"shaft seal\",\n        \"body-bonnet joint\",\n        \"gasket\",\n        \"static body joint\"\n      ],\n      \"standards\": &#91;\n        \"ISO 15848-1:2015\",\n        \"ISO 15848-2:2015\"\n      ],\n      \"primary_purpose\": \"environmental safety personnel protection and product loss prevention\"\n    },\n    \"critical_distinction\": \"Seat Leakage and Fugitive Emission are different leakage paths and require separate specifications and tests.\"\n  },\n  \"sour_service\": {\n    \"general_risk_factors\": &#91;\n      \"H2S partial pressure\",\n      \"presence of water\",\n      \"material hardness\",\n      \"heat treatment\",\n      \"weld and heat affected zone\",\n      \"chloride concentration\",\n      \"operating temperature\",\n      \"applied and residual stress\"\n    ],\n    \"oil_and_gas_production\": {\n      \"standard\": \"ANSI\/NACE MR0175-2021 \/ ISO 15156-2020\",\n      \"scope\": \"H2S-containing oil and gas production and natural gas treatment environments\",\n      \"damage_mechanisms\": &#91;\n        \"sulfide stress cracking\",\n        \"stress corrosion cracking\",\n        \"hydrogen induced cracking\",\n        \"stress oriented hydrogen induced cracking\"\n      ]\n    },\n    \"petroleum_refining\": {\n      \"standard\": \"ANSI\/NACE MR0103 \/ ISO 17945-2023\",\n      \"scope\": \"sour petroleum refining and related processing environments\",\n      \"main_focus\": \"sulfide stress cracking resistance\"\n    },\n    \"common_error\": \"\uc0dd\uc0b0\uc124\ube44\uc6a9 MR0175\uc640 \uc815\uc720\uc124\ube44\uc6a9 MR0103\uc744 \uc801\uc6a9\ubc94\uc704 \uad6c\ubd84 \uc5c6\uc774 \uc0ac\uc6a9\ud558\ub294 \uac83\"\n  },\n  \"hazardous_area_classification\": {\n    \"principle\": \"\uc704\ud5d8\uad6c\uc5ed\uc740 \uc7a5\ube44 \uc81c\uc870\uc0ac\uac00 \uc544\ub2c8\ub77c \ud50c\ub79c\ud2b8 \uc124\uacc4\uc790\uac00 \uac00\uc5f0\uc131 \ubb3c\uc9c8, \ub204\ucd9c\uc6d0, \ub204\ucd9c\ub4f1\uae09, \ud658\uae30 \ubc0f \uc9c0\uc18d\uc2dc\uac04\uc744 \ud3c9\uac00\ud558\uc5ec \uacb0\uc815\ud55c\ub2e4.\",\n    \"gas_zones\": {\n      \"Zone 0\": \"\ud3ed\ubc1c\uc131 \uac00\uc2a4 \ubd84\uc704\uae30\uac00 \uc9c0\uc18d\uc801, \uc7a5\uc2dc\uac04 \ub610\ub294 \ube48\ubc88\ud558\uac8c \uc874\uc7ac\",\n      \"Zone 1\": \"\uc815\uc0c1\uc6b4\uc804 \uc911 \uc8fc\uae30\uc801 \ub610\ub294 \uac04\ud5d0\uc801\uc73c\ub85c \uc874\uc7ac \uac00\ub2a5\",\n      \"Zone 2\": \"\uc815\uc0c1\uc6b4\uc804 \uc911 \uc874\uc7ac \uac00\ub2a5\uc131\uc774 \ub0ae\uace0 \ubc1c\uc0dd\ud574\ub3c4 \ub2e8\uc2dc\uac04 \uc874\uc7ac\"\n    },\n    \"dust_zones\": {\n      \"Zone 20\": \"\ud3ed\ubc1c\uc131 \ubd84\uc9c4 \ubd84\uc704\uae30\uac00 \uc9c0\uc18d\uc801, \uc7a5\uc2dc\uac04 \ub610\ub294 \ube48\ubc88\ud558\uac8c \uc874\uc7ac\",\n      \"Zone 21\": \"\uc815\uc0c1\uc6b4\uc804 \uc911 \uc8fc\uae30\uc801 \ub610\ub294 \uac04\ud5d0\uc801\uc73c\ub85c \uc874\uc7ac \uac00\ub2a5\",\n      \"Zone 22\": \"\uc874\uc7ac \uac00\ub2a5\uc131\uc774 \ub0ae\uace0 \ubc1c\uc0dd\ud574\ub3c4 \ub2e8\uc2dc\uac04 \uc874\uc7ac\"\n    },\n    \"main_standards\": &#91;\n      \"IEC 60079-10-1:2020\",\n      \"IEC 60079-10-2:2026\"\n    ],\n    \"zone_meaning\": \"\ud3ed\ubc1c\uc131 \ubd84\uc704\uae30\uc758 \ubc1c\uc0dd\ube48\ub3c4\uc640 \uc9c0\uc18d\uc2dc\uac04\",\n    \"north_american_alternative\": {\n      \"system\": \"Class and Division\",\n      \"classes\": {\n        \"Class I\": \"flammable gases or vapours\",\n        \"Class II\": \"combustible dust\",\n        \"Class III\": \"ignitable fibres or flyings\"\n      },\n      \"divisions\": {\n        \"Division 1\": \"hazard likely during normal operation\",\n        \"Division 2\": \"hazard mainly under abnormal conditions\"\n      },\n      \"warning\": \"Zone\uacfc Class\/Division\uc744 \ub2e8\uc21c \uc77c\ub300\uc77c \ubcc0\ud658\ud558\uc9c0 \uc54a\uace0 \uc801\uc6a9 Code\uc640 \uc778\uc99d\uc11c\ub97c \ud655\uc778\ud55c\ub2e4.\"\n    }\n  },\n  \"equipment_groups\": {\n    \"Group I\": \"methane susceptible mines\",\n    \"Group II\": \"explosive gas atmospheres\",\n    \"Group III\": \"explosive dust atmospheres\",\n    \"gas_subgroups\": &#91;\n      \"IIA\",\n      \"IIB\",\n      \"IIC\"\n    ],\n    \"dust_subgroups\": &#91;\n      \"IIIA\",\n      \"IIIB\",\n      \"IIIC\"\n    ],\n    \"general_hierarchy\": \"IIC is generally more demanding than IIB and IIA, subject to certificate restrictions.\"\n  },\n  \"equipment_protection_level\": {\n    \"gas\": {\n      \"Ga\": \"very high protection\",\n      \"Gb\": \"high protection\",\n      \"Gc\": \"enhanced protection\"\n    },\n    \"dust\": {\n      \"Da\": \"very high protection\",\n      \"Db\": \"high protection\",\n      \"Dc\": \"enhanced protection\"\n    },\n    \"zone_mapping\": {\n      \"Zone 0\": &#91;\n        \"Ga\"\n      ],\n      \"Zone 1\": &#91;\n        \"Ga\",\n        \"Gb\"\n      ],\n      \"Zone 2\": &#91;\n        \"Ga\",\n        \"Gb\",\n        \"Gc\"\n      ],\n      \"Zone 20\": &#91;\n        \"Da\"\n      ],\n      \"Zone 21\": &#91;\n        \"Da\",\n        \"Db\"\n      ],\n      \"Zone 22\": &#91;\n        \"Da\",\n        \"Db\",\n        \"Dc\"\n      ]\n    }\n  },\n  \"temperature_class\": {\n    \"criterion\": \"T_surface_max &lt; T_autoignition\",\n    \"classes\": {\n      \"T1\": \"450 degC\",\n      \"T2\": \"300 degC\",\n      \"T3\": \"200 degC\",\n      \"T4\": \"135 degC\",\n      \"T5\": \"100 degC\",\n      \"T6\": \"85 degC\"\n    },\n    \"important_note\": \"T6\uac00 \uac00\uc7a5 \ub0ae\uc740 \ucd5c\ub300 \ud45c\uba74\uc628\ub3c4\ub97c \ud5c8\uc6a9\ud558\ubbc0\ub85c \uac00\uc7a5 \uc5c4\uaca9\ud558\ub2e4.\",\n    \"control_valve_specific_risk\": \"\uacf5\uc815\uc720\uccb4\uc758 \uc5f4\uc774 \ubc38\ube0c \ubcf8\uccb4\uc640 \ubcf4\ub2db\uc744 \ud1b5\ud574 \ud3ec\uc9c0\uc154\ub108\uc640 \uc804\uae30\ubd80\uc18d\ud488\uc73c\ub85c \uc804\ub2ec\ub420 \uc218 \uc788\ub2e4.\"\n  },\n  \"electrical_types_of_protection\": {\n    \"Ex_i\": {\n      \"name\": \"intrinsic safety\",\n      \"principle\": \"available electrical and thermal energy is limited below ignition capability\",\n      \"applications\": &#91;\n        \"digital positioner\",\n        \"I\/P converter\",\n        \"position transmitter\",\n        \"4-20 mA circuit\"\n      ],\n      \"system_checks\": &#91;\n        \"barrier or galvanic isolator\",\n        \"entity parameters\",\n        \"cable capacitance\",\n        \"cable inductance\",\n        \"grounding\",\n        \"IS and non-IS wiring separation\"\n      ],\n      \"warning\": \"\ubcf8\uc9c8\uc548\uc804 \ud604\uc7a5\uae30\uae30 \ud558\ub098\ub9cc\uc73c\ub85c \uc804\uccb4 Loop\uc758 \ubcf8\uc9c8\uc548\uc804\uc774 \ud655\ubcf4\ub418\uc9c0 \uc54a\ub294\ub2e4.\"\n    },\n    \"Ex_d\": {\n      \"name\": \"flameproof enclosure\",\n      \"principle\": \"contain internal explosion and prevent flame propagation to the external atmosphere\",\n      \"applications\": &#91;\n        \"solenoid valve\",\n        \"limit switch\",\n        \"higher-energy electrical equipment\"\n      ],\n      \"maintenance_controls\": &#91;\n        \"protect flamepaths\",\n        \"use certified bolts\",\n        \"use certified cable glands\",\n        \"do not perform unauthorized machining\"\n      ]\n    },\n    \"Ex_e\": {\n      \"name\": \"increased safety\",\n      \"principle\": \"prevent arcs sparks overheating and connection failure in normally non-arcing equipment\",\n      \"levels\": {\n        \"eb\": \"normally associated with EPL Gb\",\n        \"ec\": \"normally associated with EPL Gc\"\n      },\n      \"applications\": &#91;\n        \"terminal box\",\n        \"junction box\",\n        \"non-arcing connection\"\n      ]\n    },\n    \"Ex_n\": {\n      \"name\": \"type of protection n\",\n      \"standard\": \"IEC 60079-15:2017\",\n      \"current_examples\": &#91;\n        \"nC\",\n        \"nR\"\n      ],\n      \"important_note\": \"\uad6c\ud615 \uc124\ube44\uc758 \uacfc\uac70 \ud45c\uae30\uc640 \ud604\ud589 \ud45c\uae30\uac00 \uacf5\uc874\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc778\uc99d\uc11c\uc758 \uc801\uc6a9\ud310\uc744 \ud655\uc778\ud55c\ub2e4.\"\n    },\n    \"Ex_t\": {\n      \"name\": \"protection by enclosure for dust\",\n      \"principle\": \"prevent combustible dust ingress and limit surface temperature\",\n      \"considerations\": &#91;\n        \"dust cloud\",\n        \"dust layer\",\n        \"dust layer thickness\",\n        \"surface temperature\",\n        \"enclosure ingress protection\"\n      ]\n    }\n  },\n  \"non_electrical_equipment\": {\n    \"potential_ignition_sources\": &#91;\n      \"frictional heating\",\n      \"mechanical impact sparks\",\n      \"bearing or guide failure\",\n      \"electrostatic discharge\",\n      \"adiabatic compression\",\n      \"sticking and abnormal movement\"\n    ],\n    \"standards\": &#91;\n      {\n        \"standard\": \"ISO 80079-36:2016 and COR1:2019\",\n        \"role\": \"\ube44\uc804\uae30 Ex \uc7a5\ube44\uc758 \uc810\ud654\uc704\ud5d8\ud3c9\uac00\uc640 \uae30\ubcf8\uc694\uac74\"\n      },\n      {\n        \"standard\": \"ISO 80079-37:2016\",\n        \"role\": \"constructional safety c, control of ignition sources b, liquid immersion k\"\n      }\n    ],\n    \"scope_warning\": \"\uc790\uccb4 \uc5d0\ub108\uc9c0\uc6d0\uacfc \uc7a0\uc7ac \uc810\ud654\uc6d0\uc774 \uc5c6\ub294 \uc815\uc801 \ubc30\uad00\uc7a5\ube44 \ub610\ub294 \uc218\ub3d9\ubc38\ube0c\ub294 \uc801\uc6a9\ubc94\uc704\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.\"\n  },\n  \"conformity_and_certification\": {\n    \"IEC_60079\": {\n      \"classification\": \"technical_standard_series\",\n      \"role\": \"Ex \uc7a5\ube44\uc758 \uc124\uacc4, \uc2dc\ud5d8, \ud45c\uc2dc, \uc124\uce58, \uac80\uc0ac \ubc0f \uc218\ub9ac \uae30\uc220\uae30\uc900\"\n    },\n    \"IECEx\": {\n      \"classification\": \"international_certification_scheme\",\n      \"role\": \"\uad00\ub828 IEC \ubc0f ISO \ud45c\uc900\uc5d0 \ub530\ub978 \ub3c5\ub9bd \uc81c\ud488\uc2dc\ud5d8\uacfc \uc81c\uc870\ud488\uc9c8 \ud3c9\uac00\",\n      \"main_documents\": &#91;\n        \"Certificate of Conformity\",\n        \"Ex Test Report\",\n        \"Quality Assessment Report\"\n      ],\n      \"warning\": \"IECEx \uc778\uc99d\uc774 \ubaa8\ub4e0 \uc124\uce58\uad6d\uac00\uc758 \ubc95\uc815\uc2b9\uc778\uc744 \uc790\ub3d9 \ub300\uccb4\ud558\uc9c0 \uc54a\ub294\ub2e4.\"\n    },\n    \"ATEX\": {\n      \"classification\": \"EU_legal_conformity_framework\",\n      \"directive\": \"2014\/34\/EU\",\n      \"requirements\": &#91;\n        \"essential health and safety requirements\",\n        \"conformity assessment\",\n        \"technical documentation\",\n        \"EU Declaration of Conformity\",\n        \"CE and Ex marking\"\n      ]\n    }\n  },\n  \"marking_example\": {\n    \"marking\": \"Ex db IIC T4 Gb\",\n    \"interpretation\": {\n      \"Ex\": \"explosion protection applied\",\n      \"db\": \"flameproof enclosure with level of protection b\",\n      \"IIC\": \"gas subgroup IIC\",\n      \"T4\": \"maximum surface temperature 135 degC\",\n      \"Gb\": \"high equipment protection level for gas\"\n    },\n    \"example_site_requirement\": {\n      \"zone\": \"Zone 1\",\n      \"gas_group\": \"IIB\",\n      \"temperature_class\": \"T4\"\n    },\n    \"basic_assessment\": &#91;\n      \"Gb is generally suitable for Zone 1\",\n      \"IIC generally covers IIB\",\n      \"T4 satisfies a T4 requirement\"\n    ],\n    \"additional_checks\": &#91;\n      \"certificate validity\",\n      \"ambient temperature range\",\n      \"process heat transfer\",\n      \"special conditions of use\",\n      \"cable gland and entry requirements\",\n      \"national certification\"\n    ]\n  },\n  \"certificate_suffixes\": {\n    \"X\": \"special conditions for safe use apply\",\n    \"U\": \"Ex Component certificate, not a complete field-installable equipment certificate\"\n  },\n  \"installation_and_lifecycle\": {\n    \"installation_and_initial_inspection\": {\n      \"standard\": \"IEC 60079-14:2024\",\n      \"checks\": &#91;\n        \"Zone EPL Group and temperature-class match\",\n        \"certified cable glands and stopping plugs\",\n        \"entry thread compatibility\",\n        \"grounding and bonding\",\n        \"intrinsic safety entity parameters\",\n        \"separation of IS and non-IS wiring\",\n        \"ambient and process temperature\",\n        \"enclosure fastening\",\n        \"special conditions of use\",\n        \"documentation\",\n        \"personnel competency\"\n      ]\n    },\n    \"inspection_and_maintenance\": {\n      \"standard\": \"IEC 60079-17:2023\",\n      \"checks\": &#91;\n        \"enclosure corrosion\",\n        \"missing bolts\",\n        \"loose cable glands\",\n        \"grounding damage\",\n        \"flamepath damage\",\n        \"cable and seal deterioration\",\n        \"readable marking\",\n        \"unauthorized modification\",\n        \"current area classification\",\n        \"changed process or ambient conditions\"\n      ]\n    },\n    \"repair_overhaul_and_reclamation\": {\n      \"standard\": \"IEC 60079-19:2025\",\n      \"success_definition\": \"functional restoration + restoration of type of protection + traceability\",\n      \"prohibited_or_controlled_actions\": &#91;\n        \"unauthorized enclosure drilling\",\n        \"use of non-approved bolts\",\n        \"unauthorized flamepath grinding\",\n        \"changing cable entries\",\n        \"use of non-approved internal parts\",\n        \"circuit modification\",\n        \"removal of marking\"\n      ]\n    }\n  },\n  \"enclosure_rating\": {\n    \"principle\": \"IP or NEMA enclosure rating is not the same as explosion protection approval.\",\n    \"IP66_example\": {\n      \"first_digit\": \"dust-tight protection\",\n      \"second_digit\": \"protection against powerful water jets\"\n    },\n    \"complete_outdoor_zone1_example\": &#91;\n      \"Ex db IIC T4 Gb\",\n      \"IP66\",\n      \"suitable ambient temperature\",\n      \"required national approval\"\n    ]\n  },\n  \"current_standard_reference\": &#91;\n    {\n      \"standard\": \"ASME B16.34-2025\",\n      \"scope\": \"pressure-temperature ratings materials examination testing and marking\"\n    },\n    {\n      \"standard\": \"IEC 60534-1:2023\",\n      \"scope\": \"control valve terminology and general considerations\"\n    },\n    {\n      \"standard\": \"IEC 60534-2-1:2011 and COR1:2015\",\n      \"scope\": \"flow sizing under installed conditions\"\n    },\n    {\n      \"standard\": \"IEC 60534-4:2021\",\n      \"scope\": \"inspection and routine testing\"\n    },\n    {\n      \"standard\": \"IEC 60534-8-3:2010\",\n      \"scope\": \"aerodynamic noise prediction\"\n    },\n    {\n      \"standard\": \"IEC 60534-9:2007 and COR1:2008\",\n      \"scope\": \"step-response measurement\"\n    },\n    {\n      \"standard\": \"ANSI\/FCI 70-2-2021\",\n      \"scope\": \"control valve seat leakage testing\"\n    },\n    {\n      \"standard\": \"ISO 15848-1:2015\",\n      \"scope\": \"fugitive-emission type testing and classification\"\n    },\n    {\n      \"standard\": \"ISO 15848-2:2015\",\n      \"scope\": \"production acceptance testing for fugitive emissions\"\n    },\n    {\n      \"standard\": \"ANSI\/NACE MR0175-2021 \/ ISO 15156-2020\",\n      \"scope\": \"H2S environments in oil and gas production\"\n    },\n    {\n      \"standard\": \"ANSI\/NACE MR0103 \/ ISO 17945-2023\",\n      \"scope\": \"SSC-resistant materials in sour refining environments\"\n    },\n    {\n      \"standard\": \"IEC 60079-0:2026\",\n      \"scope\": \"general requirements for Ex equipment\"\n    },\n    {\n      \"standard\": \"IEC 60079-10-1:2020\",\n      \"scope\": \"classification of gas hazardous areas\"\n    },\n    {\n      \"standard\": \"IEC 60079-10-2:2026\",\n      \"scope\": \"classification of dust hazardous areas\"\n    },\n    {\n      \"standard\": \"IEC 60079-11:2023\",\n      \"scope\": \"intrinsic safety\"\n    },\n    {\n      \"standard\": \"IEC 60079-14:2024\",\n      \"scope\": \"installation design equipment selection installation and initial inspection\"\n    },\n    {\n      \"standard\": \"IEC 60079-17:2023\",\n      \"scope\": \"inspection and maintenance\"\n    },\n    {\n      \"standard\": \"IEC 60079-19:2025\",\n      \"scope\": \"repair overhaul and reclamation\"\n    },\n    {\n      \"standard\": \"ISO 80079-36:2016 and COR1:2019\",\n      \"scope\": \"non-electrical Ex equipment basic methods\"\n    },\n    {\n      \"standard\": \"ISO 80079-37:2016\",\n      \"scope\": \"non-electrical protection concepts c b and k\"\n    },\n    {\n      \"standard\": \"ATEX Directive 2014\/34\/EU\",\n      \"scope\": \"EU legal conformity for equipment used in potentially explosive atmospheres\"\n    },\n    {\n      \"standard\": \"IECEx Certified Equipment Scheme\",\n      \"scope\": \"international third-party Ex conformity assessment\"\n    }\n  ],\n  \"specification_checklist\": &#91;\n    \"\uc124\uce58\uad6d\uac00 \ubc95\ub839\uc744 \ud655\uc778\ud55c\ub2e4.\",\n    \"\ud45c\uc900\uc758 Part, Edition \ubc0f \ubc1c\ud589\uc5f0\ub3c4\ub97c \uba85\uc2dc\ud55c\ub2e4.\",\n    \"\uc124\uacc4\uc628\ub3c4\uc5d0\uc11c Pressure Class\ub97c \uac80\uc99d\ud55c\ub2e4.\",\n    \"\uc555\ub825\uacbd\uacc4\uc640 \ud2b8\ub9bc \uc7ac\uc9c8\uc744 \uba85\uc2dc\ud55c\ub2e4.\",\n    \"\ucd5c\uc18c\u00b7\uc815\uc0c1\u00b7\ucd5c\ub300 \uc720\ub7c9\uc758 Cv\uc640 Travel\uc744 \uac80\uc99d\ud55c\ub2e4.\",\n    \"Seat Leakage\uc640 Fugitive Emission\uc744 \ubd84\ub9ac\ud55c\ub2e4.\",\n    \"Sour Service \uc801\uc6a9 \uc0b0\uc5c5\uc744 \uad6c\ubd84\ud55c\ub2e4.\",\n    \"Zone \ub610\ub294 Class\/Division\uc744 \uba85\uc2dc\ud55c\ub2e4.\",\n    \"Equipment Group\uc744 \uba85\uc2dc\ud55c\ub2e4.\",\n    \"\uc694\uad6c EPL\uacfc Temperature Class\ub97c \uba85\uc2dc\ud55c\ub2e4.\",\n    \"\uac01 \ubd80\uc18d\ud488\uc758 Type of Protection\uc744 \uba85\uc2dc\ud55c\ub2e4.\",\n    \"\uc778\uc99d\uc11c\uc758 X, U \ubc0f \ud2b9\ubcc4\uc870\uac74\uc744 \ud655\uc778\ud55c\ub2e4.\",\n    \"Cable Gland, Barrier, Cable \ubc0f Grounding\uc744 \uac80\uc99d\ud55c\ub2e4.\",\n    \"\uc124\uce58\u00b7\uac80\uc0ac\u00b7\uc218\ub9ac \uae30\ub85d\uc744 \uad00\ub9ac\ud55c\ub2e4.\"\n  ],\n  \"common_misconceptions\": &#91;\n    {\n      \"incorrect\": \"ATEX\uc640 IECEx\ub294 \uac19\uc740 \ud45c\uc900\uc774\ub2e4.\",\n      \"correct\": \"ATEX\ub294 EU \ubc95\uc801 \uc801\ud569\uc131\uccb4\uacc4\uc774\uace0 IECEx\ub294 \uad6d\uc81c \uc778\uc99d\uccb4\uacc4\uc774\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"IECEx \uc778\uc99d\uc774\uba74 \ubaa8\ub4e0 \uad6d\uac00\uc5d0\uc11c \uc790\ub3d9 \uc2b9\uc778\ub41c\ub2e4.\",\n      \"correct\": \"\uc124\uce58\uad6d\uac00\uc758 \ubcc4\ub3c4 \ubc95\ub839\uacfc \uc778\uc99d\uc694\uad6c\ub97c \ud655\uc778\ud574\uc57c \ud55c\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"IP66\uc774\uba74 \ubc29\ud3ed\uc7a5\ube44\uc774\ub2e4.\",\n      \"correct\": \"IP\ub294 \uba3c\uc9c0\uc640 \ubb3c\uc758 \uce68\uc785\ubcf4\ud638\uc774\uba70 Ex \ud45c\uc2dc\ub294 \uc810\ud654\ubc29\uc9c0 \ubcf4\ud638\uac1c\ub150\uc774\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"Zone 1\uc774\ub77c\uace0\ub9cc \uc4f0\uba74 \uc7a5\ube44\ub97c \uc120\uc815\ud560 \uc218 \uc788\ub2e4.\",\n      \"correct\": \"Equipment Group, EPL, Temperature Class \ubc0f Type of Protection\uc774 \ucd94\uac00\ub85c \ud544\uc694\ud558\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"Seat Leakage\uc640 Fugitive Emission\uc740 \uac19\uc740 \ub204\uc124\uc774\ub2e4.\",\n      \"correct\": \"Seat Leakage\ub294 \ub0b4\ubd80\ub204\uc124\uc774\uace0 Fugitive Emission\uc740 \ub300\uae30\ub85c\uc758 \uc678\ubd80\ub204\uc124\uc774\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"\ubaa8\ub4e0 \uc218\ub3d9\ubc38\ube0c\uc5d0\ub294 \ube44\uc804\uae30 Ex \uc778\uc99d\uc774 \ud544\uc694\ud558\ub2e4.\",\n      \"correct\": \"\uc790\uccb4 \uc7a0\uc7ac \uc810\ud654\uc6d0\uc758 \uc874\uc7ac\uc640 ISO 80079 \uc801\uc6a9\ubc94\uc704\ub97c \uba3c\uc800 \ud3c9\uac00\ud574\uc57c \ud55c\ub2e4.\"\n    },\n    {\n      \"incorrect\": \"Ex \uc7a5\ube44\ub294 \uae30\ub2a5\ub9cc \ubcf5\uc6d0\ud558\uba74 \uc218\ub9ac\uac00 \uc644\ub8cc\ub41c\ub2e4.\",\n      \"correct\": \"\uae30\ub2a5, \ubcf4\ud638\uac1c\ub150 \ubc0f \ucd94\uc801\uc131\uc774 \ud568\uaed8 \ubcf5\uc6d0\ub418\uc5b4\uc57c \ud55c\ub2e4.\"\n    }\n  ],\n  \"exam_answer_core\": {\n    \"introduction\": \"\uc81c\uc5b4\ubc38\ube0c \ud45c\uc900\uc740 \uc555\ub825\uacbd\uacc4\uc640 \uc81c\uc5b4\uc131\ub2a5\ubfd0 \uc544\ub2c8\ub77c \ub204\uc124, \uc7ac\uc9c8, \uc704\ud5d8\uc7a5\uc18c \uc2b9\uc778 \ubc0f \uc218\uba85\uc8fc\uae30 \uc801\ud569\uc131\uc744 \uaddc\uc815\ud55c\ub2e4.\",\n    \"body_sequence\": &#91;\n      \"ASME B16.34\uc5d0 \ub530\ub978 \uc555\ub825\uacbd\uacc4 \uac80\uc99d\",\n      \"IEC 60534\uc5d0 \ub530\ub978 \uc6a9\ub7c9\uacfc \uc131\ub2a5 \uac80\uc99d\",\n      \"Seat Leakage\uc640 Fugitive Emission\uc758 \ubd84\ub9ac\",\n      \"Sour Service\uc758 \uc0b0\uc5c5\ubcc4 \uc7ac\uc9c8\uae30\uc900 \uc801\uc6a9\",\n      \"Zone, Group, EPL \ubc0f Temperature Class \uacb0\uc815\",\n      \"Ex i, Ex d, Ex e \ubc0f Ex t \ubcf4\ud638\ubc29\uc2dd \uc120\uc815\",\n      \"IECEx, ATEX \ub610\ub294 \uad6d\uac00\ubcc4 \uc778\uc99d \ud655\uc778\",\n      \"IEC 60079-14, 17, 19\uc5d0 \ub530\ub978 \uc124\uce58\u00b7\uac80\uc0ac\u00b7\uc218\ub9ac\"\n    ],\n    \"conclusion\": \"\uc81c\uc5b4\ubc38\ube0c\uc758 \ud45c\uc900 \uc801\ud569\uc131\uc740 \uc124\uacc4\uc640 \uc778\uc99d\uc5d0\uc11c \ub05d\ub098\uc9c0 \uc54a\uc73c\uba70 \uc124\uce58, \uac80\uc0ac, \uc218\ub9ac \ubc0f \ubb38\uc11c\uad00\ub9ac\uae4c\uc9c0 \uc720\uc9c0\ub418\uc5b4\uc57c \ud55c\ub2e4.\"\n  },\n  \"keytags\": &#91;\n    \"IEC 60534\",\n    \"ASME B16.34\",\n    \"Hazardous Area Classification\",\n    \"Equipment Protection Level\",\n    \"IECEx and ATEX\"\n  ]\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\uc81c\uc5b4\ubc38\ube0c\uc758 \ud45c\uc900 \ubc0f \uc704\ud5d8\uc7a5\uc18c \uc2b9\uc778\uc5d0 \uad00\ud55c \uae30\uc220 \ubb38\uc11c\ub85c, \uc0b0\uc5c5\uacc4\uce21 \uc81c\uc5b4\uae30\uc220\uc0ac \ub2f5\uc548 \uc791\uc131\uc744 \ud3ec\ud568\ud574 \uc124\uacc4, \uad6c\ub9e4, \uc124\uce58, \uac80\uc0ac \ubc0f \uc218\ub9ac \uc2dc\uc758 \uc801\ud569\uc131\uc744 \uac80\ud1a0\ud569\ub2c8\ub2e4. ASME B16.34\uc640 IEC 60534 \ub4f1 \uc5ec\ub7ec \uae30\uc900\uc5d0 \ub530\ub77c \ubc38\ube0c\uc758 \uc555\ub825\uacbd\uacc4, \uc131\ub2a5, \ub204\uc124 \ubc0f \ubcf4\ud638\ubc29\uc2dd\uc774 \ub9c8\ub828\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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