{"id":9859,"date":"2026-11-06T21:08:52","date_gmt":"2026-11-06T12:08:52","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=9859"},"modified":"2026-11-06T21:08:52","modified_gmt":"2026-11-06T12:08:52","slug":"valve-handbook-ch3-ch4-trim-forces-20261106","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/valve-handbook-ch3-ch4-trim-forces-20261106\/","title":{"rendered":"Valve Handbook Ch.3\u00b74 \u2014 \uc81c\uc5b4\ubc38\ube0c\uc640 Balanced Trim \ud798 \ud3c9\ud615 (\uc6d0\uc11c \uc218\uc2dd \uac80\ud1a0\u00b7\uc218\uc815)"},"content":{"rendered":"<style>\n\/* Chapter 19 wide - Valve Handbook Chapter 3, 4 expanded notes *\/\n.chapter19-wide{box-sizing:border-box;width:min(1360px,calc(100vw - 28px));max-width:none;margin:22px auto 48px;padding:28px 36px;background:#fff;color:#273c4d;font:18px\/1.82 \"Noto Sans KR\",\"Malgun Gothic\",Arial,sans-serif;overflow-wrap:anywhere}\n.chapter19-wide *{box-sizing:border-box}\n.chapter19-wide 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#dbe7ef;text-align:center;font-weight:650;letter-spacing:.01em}\n.chapter19-wide sup{line-height:0}\n.chapter19-wide .table-wrap table td:first-child{font-weight:600}<\/p>\n<p>\/* Compact handwritten scan display; images are physically optimized in the package. *\/\n.chapter19-wide figure.scan-figure{max-width:670px;margin:18px auto 24px;padding:9px}\n.chapter19-wide figure.scan-figure img{width:100%;max-width:630px;max-height:none;object-fit:contain;margin:auto}\n.chapter19-wide figure.book-figure{max-width:580px;margin:20px auto}\n.chapter19-wide figure.book-figure img{max-width:520px}\n.chapter19-wide figure.sketch-figure{max-width:680px;margin:18px auto}\n.chapter19-wide figure.sketch-figure img{max-width:620px}\n.chapter19-wide .compact-pressure{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:15px auto}\n.chapter19-wide .compact-pressure>div{border:1px solid #cadde9;border-radius:9px;background:#f5f9fc;text-align:center;padding:16px}\n.chapter19-wide .compact-pressure strong,.chapter19-wide .compact-pressure span,.chapter19-wide .compact-pressure small{display:block}\n.chapter19-wide .compact-pressure strong{font-size:20px;color:#17496c}\n.chapter19-wide .compact-pressure span{font-size:17px;margin:7px 0}\n.chapter19-wide .compact-pressure small{font-size:18px;color:#285778}\n.chapter19-wide figure a{display:block}\n@media (max-width:680px){.chapter19-wide .compact-pressure{grid-template-columns:1fr}.chapter19-wide figure.scan-figure img{max-width:100%}}<\/p>\n<\/style>\n<div class=\"chapter19-wide\">\n<h1>Valve Handbook \u2014 Chapter 3\u00b74 \ud559\uc2b5 \uc815\ub9ac (\ud798 \ud3c9\ud615 \uc218\uc815\ubcf8)<\/h1>\n<p class=\"subtitle\">Manual Valves \u00b7 Control Valves \u00b7 \uade0\uc555 \ud2b8\ub9bc \ud798 \ud3c9\ud615 \u00b7 \uc6d0\uc11c Balanced Trim \uc218\uc2dd \uc624\ub958 \uac80\ud1a0 \u00b7 \uc190\ud544\uae30 \uc6d0\ubcf8<\/p>\n<p class=\"source-note\"><strong>\uc815\ub9ac \uae30\uc900<\/strong> \u2014 Philip L. Skousen, <em>Valve Handbook<\/em>, 3rd ed., Chapter 3\u00b74 \ubc0f \uc0ac\uc6a9\uc790\uc758 2026-11-06 \uc190\ud544\uae30 3\ucabd. <strong>Chapter 1\uc740 \uc81c\uc678<\/strong>\ud558\uc600\ub2e4. \uc774\ubbf8 \uac8c\uc2dc\ub41c <a href=\"https:\/\/now0930.pe.kr\/wordpress\/valve-handbook-ch2-cv-equal-percentage-20261104\/\">Chapter 2: C<sub>v<\/sub>\u00b7Equal Percentage<\/a>\uc758 \ud574\uc124\uacfc \uadf8\ub798\ud504\ub294 \uc911\ubcf5 \uc218\ub85d\ud558\uc9c0 \uc54a\uc558\ub2e4. Chapter 4\ub294 \uc808\ubcc4 \uc124\uba85\uc744 \ud655\uc7a5\ud588\ub2e4.<\/p>\n<div class=\"statement\"><strong>\ud45c\uae30 \ud1b5\uc77c:<\/strong> \ubc38\ube0c \uc804\ud6c4\uc758 \uc555\ub825 \ucc28\uc774\ub294 \uc774 \uae00 \uc804\uccb4\uc5d0\uc11c <strong>P<sub>1<\/sub> \u2212 P<sub>2<\/sub><\/strong>\ub85c\ub9cc \uc4f4\ub2e4. P<sub>1<\/sub>\uc740 \uc0c1\ub958 \uc555\ub825, P<sub>2<\/sub>\ub294 \ud558\ub958 \uc555\ub825, P<sub>c<\/sub>\ub294 \uade0\uc555 \ucc54\ubc84 \uc555\ub825\uc774\ub2e4.<\/div>\n<nav aria-label=\"\ubaa9\ucc28\" class=\"toc\"><strong>\ubaa9\ucc28<\/strong><\/p>\n<ul>\n<li><a href=\"#vh-ch3\">1. Chapter 3 \u2014 Manual Valves<\/a><\/li>\n<li><a href=\"#vh-ch4\">2. Chapter 4 \u2014 Control Valve \uc804\uccb4 \uad6c\uc870(4.1)<\/a><\/li>\n<li><a href=\"#vh-globe\">3. Globe Control Valves(4.2.1~4.2.3)<\/a><\/li>\n<li><a href=\"#vh-force\">4. Unbalanced \/ Balanced Trim \ud798 \ud3c9\ud615(4.2.4)<\/a><\/li>\n<li><a href=\"#vh-special\">5. Double-ported\u00b7Sanitary\u00b7Body Variations(4.2.4~4.2.5)<\/a><\/li>\n<li><a href=\"#vh-butterfly\">6. Butterfly Control Valves(4.3)<\/a><\/li>\n<li><a href=\"#vh-ball\">7. Ball Control Valves(4.4)<\/a><\/li>\n<li><a href=\"#vh-eccentric\">8. Eccentric Plug Control Valves(4.5)<\/a><\/li>\n<li><a href=\"#vh-compare\">9. \ud615\uc2dd\ubcc4 \ube44\uad50\uc640 \uae30\uc220\uc0ac \ub2f5\uc548 \uad6c\uc131<\/a><\/li>\n<li><a href=\"#vh-notes\">10. \uc190\ud544\uae30 \ubc0f \uad00\ub828 \ub3c4\ud574 \uc6d0\ubcf8<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 id=\"vh-ch3\">1. Chapter 3 \u2014 Manual Valves<\/h2>\n<p>Chapter 3\uc740 \uc870\uc791\uc790\uac00 \uc9c1\uc811 \uc6c0\uc9c1\uc774\ub294 \uc218\ub3d9\ubc38\ube0c\ub97c \ub2e4\ub8ec\ub2e4. \uc885\ub958\ub97c \uc678\uc6b0\uae30\ubcf4\ub2e4 <strong>\uc720\ub85c\ub97c \uc5b4\ub5bb\uac8c \uc5f4\uace0 \ub2eb\ub294\uc9c0<\/strong>, <strong>\uad50\ucd95\uc5d0 \uc801\ud569\ud55c\uc9c0<\/strong>\ub97c \uae30\uc5b5\ud55c\ub2e4.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Valve<\/th>\n<th>\uc791\ub3d9 \uad6c\uc870<\/th>\n<th>\uac15\uc810 \/ \uc8fc\uc758\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Plug<\/td>\n<td>\ud50c\ub7ec\uadf8\ub97c \ud68c\uc804<\/td>\n<td>\ub2e8\uc21c\ud55c \uac1c\ud3d0 \uad6c\uc870; \uc2dc\ud2b8 \ub9c8\ucc30\uacfc \ud1a0\ud06c \uace0\ub824<\/td>\n<\/tr>\n<tr>\n<td>Ball<\/td>\n<td>\uad6c\ud615 \ubcfc\uc744 \uc57d 90\u00b0 \ud68c\uc804<\/td>\n<td>\uc644\uc804 \uac1c\ubc29 \uc2dc \ub0ae\uc740 \uc800\ud56d; \uc77c\ubc18 Full-port\ub294 \ucc28\ub2e8 \uc911\uc2ec<\/td>\n<\/tr>\n<tr>\n<td>Butterfly<\/td>\n<td>\ub514\uc2a4\ud06c\ub97c \uc57d 90\u00b0 \ud68c\uc804<\/td>\n<td>\ub300\uad6c\uacbd\uc5d0 \uacbd\ub7c9\u00b7\uacbd\uc81c\uc801; \uc720\uccb4 \ud1a0\ud06c\u00b7\uc2dc\ud2b8 \ub9c8\ubaa8 \uc8fc\uc758<\/td>\n<\/tr>\n<tr>\n<td>Globe<\/td>\n<td>\ud50c\ub7ec\uadf8\ub97c \uc9c1\uc120 \uc774\ub3d9<\/td>\n<td>\uad50\ucd95\uc5d0 \uc720\ub9ac; \uaebe\uc774\ub294 \uc720\ub85c\ub85c \uc0c1\ub300\uc801\uc778 \uc555\ub825\uc190\uc2e4 \uc99d\uac00<\/td>\n<\/tr>\n<tr>\n<td>Gate<\/td>\n<td>\uac8c\uc774\ud2b8\ub97c \uc9c1\uc120 \uc774\ub3d9<\/td>\n<td>\uc644\uc804 \uac1c\ubc29 \uc720\ub85c \uc800\ud56d\uc774 \uc791\uc74c; \ubd80\ubd84 \uac1c\ub3c4\ub85c \uacc4\uc18d \uad50\ucd95\ud558\uae30\uc5d0\ub294 \ubd80\uc801\ud569<\/td>\n<\/tr>\n<tr>\n<td>Pinch<\/td>\n<td>\ud0c4\uc131 \uc2ac\ub9ac\ube0c\ub97c \ub20c\ub7ec \ud1b5\ub85c \ubcc0\ud654<\/td>\n<td>\uc2ac\ub7ec\ub9ac \ub4f1\uc5d0\uc11c \uc720\uccb4\uc640 \ubd80\ud488\uc758 \uc811\ucd09\uc744 \uc904\uc784; \uc2ac\ub9ac\ube0c \ub0b4\uad6c\uc131 \ud655\uc778<\/td>\n<\/tr>\n<tr>\n<td>Diaphragm<\/td>\n<td>\ub2e4\uc774\uc5b4\ud504\ub7a8\uc73c\ub85c \uc720\ub85c \ucc28\ub2e8<\/td>\n<td>\uc720\uccb4 \uaca9\ub9ac\u00b7\uc624\uc5fc \ubc29\uc9c0\uc5d0 \uc720\ub9ac; \uc7ac\uc9c8\u00b7\uc555\ub825\u00b7\uc628\ub3c4 \uc81c\ud55c \ud655\uc778<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"tip\"><strong>\uae30\uc5b5:<\/strong> Gate\u00b7\uc77c\ubc18 Ball\uc740 \uc8fc\ub85c <strong>\ucc28\ub2e8<\/strong>, Globe\ub294 <strong>\uad50\ucd95<\/strong>\uc5d0 \uc720\ub9ac\ud558\ub2e4. \ub2e4\ub9cc \uc81c\uc5b4\uc6a9\uc73c\ub85c \uc124\uacc4\ud55c Ball\u00b7Butterfly Valve\ub294 \ubcc4\ub3c4\uc758 \uc81c\uc5b4\ubc38\ube0c\ub85c \ucde8\uae09\ud574\uc57c \ud55c\ub2e4.<\/div>\n<h2 id=\"vh-ch4\">2. Chapter 4 \u2014 Control Valves (4.1)<\/h2>\n<h3>2.1 Throttling Valve\uc640 Control Valve\uc758 \ucc28\uc774<\/h3>\n<p><strong>Throttling Valve<\/strong>\ub294 \uc720\ub85c\ub97c \uc644\uc804 \uc5f4\ub9bc \ub610\ub294 \uc644\uc804 \ub2eb\ud798\ubfd0 \uc544\ub2c8\ub77c \uc911\uac04 \uc704\uce58\uc5d0 \uc720\uc9c0\ud558\uc5ec \uc720\ub7c9\u00b7\uc555\ub825\u00b7\uc628\ub3c4 \ub4f1\uc758 \uacf5\uc815 \ubcc0\uc218\ub97c \uc870\uc808\ud558\ub3c4\ub85d \uc0ac\uc6a9\ud558\ub294 \ubc38\ube0c\ub2e4. \uc774 \uc911 <strong>Control Valve<\/strong>\ub294 \uc13c\uc11c\u00b7\uc81c\uc5b4\uae30\u00b7\uad6c\ub3d9\uae30\uc640 \uc5f0\uacb0\ub41c \uc81c\uc5b4\ub8e8\ud504\uc758 <strong>\ucd5c\uc885 \uc81c\uc5b4\uc694\uc18c(Final Control Element)<\/strong>\ub85c \uc791\ub3d9\ud558\ub294 \uc790\ub3d9 \uc81c\uc5b4\ubc38\ube0c\ub2e4.<\/p>\n<div class=\"flowline\">\uacf5\uc815 \uce21\uc815 \u2192 \uc81c\uc5b4\uae30 \ucd9c\ub825 \u2192 Actuator \uc6c0\uc9c1\uc784 \u2192 Trim \uac1c\ub3c4 \ubcc0\ud654 \u2192 \uacf5\uc815 \uc720\ub7c9\u00b7\uc555\ub825 \ubcc0\ud654 \u2192 \ub2e4\uc2dc \uce21\uc815<\/div>\n<p>\uc81c\uc5b4\ubc38\ube0c\ub294 <strong>Body Subassembly<\/strong>(\uc555\ub825 \uacbd\uacc4\uc640 \uc720\ub85c\u00b7Trim) \ubc0f <strong>Actuator<\/strong>(\uad6c\ub3d9\ub825)\uc758 \ub450 \ubd80\ubd84\uc73c\ub85c \ub098\ub220 \uc774\ud574\ud55c\ub2e4. Chapter 4\ub294 \uc8fc\ub85c Body\uc640 Trim\uc744, Chapter 5\ub294 Actuator\ub97c \ub2e4\ub8ec\ub2e4.<\/p>\n<h3>2.2 Chapter 4\uc758 \ub124 \uac00\uc9c0 \ub300\ud45c \ud615\uc2dd<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ud615\uc2dd<\/th>\n<th>\uc870\uc808 \uc694\uc18c\u00b7\uc6b4\ub3d9<\/th>\n<th>\uac00\uc7a5 \uba3c\uc800 \ub5a0\uc62c\ub9b4 \ud2b9\uc9d5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Globe<\/td>\n<td>Plug \/ \uc9c1\uc120 \uc774\ub3d9<\/td>\n<td>\ub2e4\uc591\ud55c Trim, \ub192\uc740 \uad50\ucd95 \uc131\ub2a5, \ucd95\ubc29\ud5a5 \ucd94\ub825<\/td>\n<\/tr>\n<tr>\n<td>Butterfly<\/td>\n<td>Disk \/ \ud68c\uc804<\/td>\n<td>\uac00\ubccd\uace0 \ub300\uc720\ub7c9\uc5d0 \uc720\ub9ac, \ub514\uc2a4\ud06c \ud1a0\ud06c\u00b7\uc555\ub825 \ud68c\ubcf5<\/td>\n<\/tr>\n<tr>\n<td>Ball<\/td>\n<td>Ball\u00b7Segment \/ \ud68c\uc804<\/td>\n<td>\ub192\uc740 \uc720\ub7c9 \uc6a9\ub7c9, \uc804\ub2e8 \uc791\uc6a9, \ub2e4\uc591\ud55c \uac1c\uad6c \ud615\uc0c1<\/td>\n<\/tr>\n<tr>\n<td>Eccentric Plug<\/td>\n<td>\ud3b8\uc2ec Plug \/ \ud68c\uc804<\/td>\n<td>\uac1c\ubc29 \uc2dc Seat\uc5d0\uc11c \ub5a8\uc5b4\uc838 \uc811\ucd09 \ub9c8\ubaa8 \uac10\uc18c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"tip\"><strong>\uc77d\ub294 \uc21c\uc11c:<\/strong> \uad6c\uc870(Body\u00b7Trim) \u2192 \uc720\uccb4\uac00 \uc2e4\uc81c\ub85c \uc9c0\ub098\ub294 \uae38 \u2192 \uc5b4\ub5a4 \uc555\ub825 \ud798\/\ud1a0\ud06c\uac00 \ubc1c\uc0dd\ud558\ub294\uc9c0 \u2192 \uc81c\uc5b4\uc131\u00b7\ucc28\ub2e8 \uc131\ub2a5\u00b7\uc190\uc0c1 \uc704\ud5d8 \u2192 \uc120\uc815 \uc870\uac74.<\/p>\n<h2 id=\"vh-globe\">3. Globe Control Valves (4.2.1~4.2.3)<\/h2>\n<h3>3.1 \uad6c\uc870\uc640 \uc7a5\ub2e8\uc810 (4.2.1)<\/h3>\n<p>Globe Valve\ub294 Stem\uc758 <strong>\uc9c1\uc120 \uc6b4\ub3d9<\/strong>\uc73c\ub85c Plug\uc640 Seat \uc0ac\uc774\uc758 \ud1b5\uacfc \uba74\uc801\uc744 \uc870\uc808\ud55c\ub2e4. Actuator\uc758 \uc9c1\uc120\ub825\uc774 \ubcc4\ub3c4\uc758 \ud68c\uc804 \ubcc0\ud658 \uae30\uad6c \uc5c6\uc774 Plug\ub85c \uc804\ub2ec\ub418\ubbc0\ub85c \uc911\uac04 \uac1c\ub3c4 \uc720\uc9c0 \ubc0f \uad50\ucd95\uc5d0 \uc720\ub9ac\ud558\ub2e4. \uc6d0\uc11c\ub294 \ub192\uc740 \uc555\ub825\u00b7\uc628\ub3c4 \uc870\uac74, \ub2e4\uc591\ud55c Trim, Top-entry \uc815\ube44\uc131, \uace0\uc555\ub825 \ucc28\uc774 \uc81c\uc5b4\uc5d0 \ub300\ud55c \uc801\uc751\uc131\uc744 \uc7a5\uc810\uc73c\ub85c \uc124\uba85\ud55c\ub2e4.<\/p>\n<p>\ubc18\uba74 \ubab8\uccb4\uac00 \uc0c1\ub300\uc801\uc73c\ub85c \ubb34\uac81\uace0 \uae38\uba70, \ub0b4\ubd80 \uc720\ub85c\uac00 \uad74\uace1\uc838 \uc555\ub825\uc190\uc2e4\uc774 \ucee4\uc9c8 \uc218 \uc788\ub2e4. \ud2b9\ud788 \ud070 Seat\uc640 \ub192\uc740 \uc6b4\uc804 \uc555\ub825\uc774 \uacb0\ud569\ud558\uba74 Plug\uc5d0 \ud070 <strong>\ucd95\ubc29\ud5a5 \ubd88\ud3c9\ud615\ub825<\/strong>\uc774 \ubc1c\uc0dd\ud574 \uac15\ud55c Actuator\uac00 \ud544\uc694\ud558\ub2e4. \uadf8\ub798\uc11c \ub4a4\uc758 <strong>Pressure-balanced \/ Double-ported Trim<\/strong>\uc744 \uc801\uc6a9\ud55c\ub2e4.<\/p>\n<h3>3.2 \uc8fc\uc694 \ubd80\ud488\uc758 \uc5ed\ud560 (4.2.2)<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ubd80\ud488<\/th>\n<th>\uc5ed\ud560<\/th>\n<th>\uc124\uacc4\u00b7\uc815\ube44\uc5d0\uc11c \ud655\uc778\ud560 \uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Body<\/td>\n<td>\uc555\ub825 \uacbd\uacc4, \uc720\ub85c\u00b7Trim \uc218\uc6a9<\/td>\n<td>\uc555\ub825 \ub4f1\uae09, \uc5f0\uacb0 \ubc29\uc2dd, \uc720\ub85c \uad74\uace1\u00b7\uc555\ub825\uc190\uc2e4<\/td>\n<\/tr>\n<tr>\n<td>Bonnet<\/td>\n<td>Body \uc0c1\ubd80 \ub36e\uac1c\u00b7Stem \ud1b5\uacfc\ubd80<\/td>\n<td>Gasket, \uc628\ub3c4 \ub300\uc751, \uc811\uadfc\uc131<\/td>\n<\/tr>\n<tr>\n<td>Packing<\/td>\n<td>\uc6c0\uc9c1\uc774\ub294 Stem\uc744 \ub530\ub77c \uc678\ubd80 \ub204\ucd9c \ubc29\uc9c0<\/td>\n<td>Stem \ub9c8\ucc30 \uc99d\uac00, \ub204\ucd9c, \ub9c8\ubaa8\u00b7\uad50\uccb4<\/td>\n<\/tr>\n<tr>\n<td>Plug Head<\/td>\n<td>\ub3d9\uc791\ud558\ub294 \uc870\uc808 \uc694\uc18c<\/td>\n<td>Seat\uc640 \uc811\ucd09\ud558\ub294 \uba74, \ud615\uc0c1\u00b7\ud798 \ubc29\ud5a5<\/td>\n<\/tr>\n<tr>\n<td>Seat Ring<\/td>\n<td>Plug\uc640 \ub9de\ub2ff\ub294 \uc815\uc801 \ubc00\ud3d0\uba74<\/td>\n<td>Seat\uc758 \ub0b4\uacbd \uba74\uc801, \ub9c8\ubaa8, \ub204\uc124 \ub4f1\uae09<\/td>\n<\/tr>\n<tr>\n<td>Cage \/ Retainer<\/td>\n<td>Plug \uac00\uc774\ub4dc\u00b7Seat \uc9c0\uc9c0<\/td>\n<td>\uace0\ucc29, \uc785\uc790\uc131 \uc720\uccb4, \uc720\ub85c \ubd84\ubc30, \uc9c4\ub3d9<\/td>\n<\/tr>\n<tr>\n<td>Stem<\/td>\n<td>Actuator \ud798\uc744 Plug\uc5d0 \uc804\ub2ec<\/td>\n<td>\uc88c\uad74\u00b7\uc815\ub82c, Stem \uba74\uc801, Packing \ub9c8\ucc30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Full Trim<\/strong>\uc740 \ud574\ub2f9 \ubc38\ube0c \ud06c\uae30\uc5d0\uc11c \uc124\uacc4\ub41c \ucd5c\ub300 Seat \uc601\uc5ed\uc744 \uc0ac\uc6a9\ud55c\ub2e4. <strong>Reduced Trim<\/strong>\uc740 \uc791\uc740 \ud1b5\uacfc \uc6a9\ub7c9\uc5d0 \ub9de\ucd94\uc5b4 Seat\uc640 Plug\ub97c \uc904\uc778\ub2e4. \ud544\uc694\ud55c \uacf5\uc815 \uc720\ub7c9\uc774 \uc791\uc744 \ub54c \ub108\ubb34 \ud070 Trim\uc744 \uc4f0\uba74 \uadf9\ud788 \uc791\uc740 \uac1c\ub3c4\uc5d0\uc11c\ub9cc \uc870\uc808\ud558\uac8c \ub418\uc5b4 \uc815\ubc00\ud55c \uc704\uce58 \uc720\uc9c0\uac00 \uc5b4\ub824\uc6cc\uc9c8 \uc218 \uc788\ub2e4. \uc774 \uc774\uc720\ub85c \uc6d0\uc11c\ub294 Reduced Trim\uc744 \uc124\uba85\ud55c\ub2e4. C<sub>v<\/sub> \uc0b0\ucd9c \uc790\uccb4\ub294 \uae30\uc874 Chapter 2 \uae00\uc744 \ucc38\uace0\ud55c\ub2e4.<\/p>\n<h3>3.3 Plug \uac00\uc774\ub4dc \ub450 \ubc29\uc2dd<\/h3>\n<div class=\"columns\">\n<div class=\"cols-item\"><strong>Double-top Stem Guiding<\/strong><\/p>\n<p>Bonnet\u00b7Packing Box \uc8fc\ubcc0\uc758 \uc704\uc544\ub798 \uac00\uc774\ub4dc\uac00 Stem\uc744 \uc9c0\uc9c0\ud55c\ub2e4. \ub450 \uac00\uc774\ub4dc \uac04 \uac70\ub9ac\ub97c \ud655\ubcf4\ud574 \uc720\uccb4\uc5d0 \uc758\ud55c \ud6a1\ubc29\ud5a5 \uc6c0\uc9c1\uc784\uc744 \uc5b5\uc81c\ud55c\ub2e4. \uc815\ubc00\ud55c \uc911\uc2ec \ub9de\ucda4\uc774 \uc694\uad6c\ub41c\ub2e4.<\/p>\n<\/div>\n<div class=\"cols-item\"><strong>Cage Guiding<\/strong><\/p>\n<p>\uc0c1\ubd80 Stem Guide\uc640 \ub0b4\ubd80 Cage\uc758 \uc6d0\ud1b5\uba74\uc774 Plug\ub97c \uc548\ub0b4\ud55c\ub2e4. \uce21\ubc29\ud5a5 \uc9c0\uc9c0\uac00 \uc88b\uace0 Stem\uc744 \ube44\uad50\uc801 \uac00\ub298\uac8c \ud560 \uc218 \uc788\uc73c\ub098 \uc785\uc790\uac00 Cage\uc640 Plug \uc0ac\uc774\uc5d0 \ub07c\uba74 \ub9c8\ubaa8\u00b7\uace0\ucc29\ub420 \uc218 \uc788\ub2e4.<\/p>\n<\/div>\n<\/div>\n<p>\uc6d0\uc11c\uc5d0\uc11c\ub294 Cage\uc758 \uac1c\uad6c \ud615\uc0c1\uc73c\ub85c \uc720\ub7c9 \ud2b9\uc131\uc744 \uc124\uc815\ud558\uac70\ub098, \uc5ec\ub7ec \ub2e8\uc758 \uc555\ub825 \uac15\ud558\ub97c \ub9cc\ub4e4\ub3c4\ub85d \uac00\uacf5\ud560 \uc218 \uc788\ub2e4\uace0 \uc124\uba85\ud55c\ub2e4. \uc774\uac83\uc740 \ub2e8\uc21c\ud788 Plug\ub97c \uc548\ub0b4\ud558\ub294 \uae30\ub2a5\uacfc \ubcc4\uac1c\uc758 \uae30\ub2a5\uc774\ub2e4.<\/p>\n<h3>3.4 Flow-under\uc640 Flow-over (4.2.3)<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uc720\ub3d9 \ubc29\ud5a5<\/th>\n<th>Seat \uadfc\ucc98 \uc555\ub825 \ud798<\/th>\n<th>\uc81c\uc5b4\uc0c1\uc758 \uc601\ud5a5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Flow-under-the-plug<\/td>\n<td>\uc720\uccb4\uac00 Plug \uc544\ub798\uc5d0\uc11c \uc704\ub85c \ubbf8\ub294 \ud798\uc744 \ub9cc\ub4dc\ub294 \uacbd\ud5a5<\/td>\n<td>\uac1c\ubc29 \ubc29\ud5a5 \ud798\uc774 \uc0dd\uae30\ubbc0\ub85c \ub2eb\uae30 \uc704\ud55c \ucd94\ub825\u00b7\uc2a4\ud504\ub9c1\ub825 \uac80\ud1a0<\/td>\n<\/tr>\n<tr>\n<td>Flow-over-the-plug<\/td>\n<td>\uc720\uccb4\uac00 Plug \uc704\uc5d0\uc11c \uc544\ub798\ub85c \ub204\ub974\ub294 \ud798\uc744 \ub9cc\ub4dc\ub294 \uacbd\ud5a5<\/td>\n<td>\ud3d0\uc1c4 \ubc29\ud5a5 \ud798\uc774 \uc0dd\uae30\uace0, \uace0\uc555\uc5d0\uc11c\ub294 \uc7ac\uac1c\ubc29 \ucd94\ub825\uacfc Seat \uadfc\ucc98 \uc704\uce58 \uc548\uc815\uc131 \uac80\ud1a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc555\ub825 \ud798 \ubc29\ud5a5\uc740 \uc77c\ubc18\uc801\uc778 \uacbd\ud5a5\uc77c \ubfd0\uc774\ub2e4. \uc2e4\uc81c Fail-Open \/ Fail-Close\ub294 <strong>Actuator\uc758 Spring\u00b7Air \uc791\ub3d9 \ubc29\ud5a5<\/strong>\uacfc \uacb0\ud569\ud558\uc5ec \uacb0\uc815\ud55c\ub2e4. \uc555\ub825\uc758 \ub3c4\uc6c0\uc744 \ubc1b\ub294 \uc124\uce58 \ubc29\ud5a5\uc774\ub77c\ub3c4 Actuator\uac00 \uace0\uc7a5\ub0ac\uc744 \ub54c \ubb34\uc870\uac74 \ud574\ub2f9 \uc704\uce58\ub85c \uac04\ub2e4\uace0 \ub2e8\uc815\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n<p>\uc720\uccb4\ub294 Seat\uc758 \uc881\uc740 \ud1b5\ub85c\uc5d0\uc11c \uc18d\ub3c4\uac00 \uc99d\uac00\ud558\uace0 \uc815\uc555\uc774 \uac10\uc18c\ud558\uba70, \uadf8 \ub4a4 \ub113\uc740 \uc720\ub85c\uc5d0\uc11c \uc77c\ubd80 \uc555\ub825\uc744 \ud68c\ubcf5\ud55c\ub2e4. Body Gallery\uc640 Cage \uac1c\uad6c\uc758 \ud750\ub984\uc774 \ud55c\ucabd\uc73c\ub85c \ud3b8\uc911\ub418\uba74 Plug\uc5d0 \ud3b8\uc2ec \ud558\uc911\uc774 \uc0dd\uae30\uac70\ub098 \uc18c\uc74c\u00b7\uce68\uc2dd\u00b7\uc9c4\ub3d9\uc774 \uc99d\uac00\ud560 \uc218 \uc788\ub2e4.<\/p>\n<h3>3.5 \ubc00\ud3d0\ub294 \uc11c\ub85c \ub2e4\ub978 \ub450 \ubb38\uc81c<\/h3>\n<ul>\n<li><strong>\uc678\ubd80 \ub204\ucd9c:<\/strong> Body\u00b7Bonnet Gasket, Stem Packing \ub4f1\uc73c\ub85c \uc678\uae30\ub85c \uc0c8\ub294 \uac83\uc744 \ub9c9\ub294\ub2e4.<\/li>\n<li><strong>Seat \ub204\uc124:<\/strong> \ubc38\ube0c\ub97c \ub2eb\uc558\uc744 \ub54c Seat\uc640 Plug \uc0ac\uc774\ub85c \ud558\ub958\uc5d0 \uc0c8\ub294 \uac83\uc744 \ub9c9\ub294\ub2e4. Seat \uc811\ucd09\ub825 \ubc0f \uc81c\uc791\u00b7\ub9c8\ubaa8 \uc0c1\ud0dc\uac00 \uc601\ud5a5\uc744 \uc900\ub2e4.<\/li>\n<\/ul>\n<p>\ub450 \uc885\ub958\uc758 \ub204\uc124\uc740 \ub2e4\ub978 \ud604\uc0c1\uc774\ubbc0\ub85c <strong>Packing\uc774 \ud2bc\ud2bc\ud558\ub2e4\ub294 \uc0ac\uc2e4\uc774 Seat\uc758 \uc644\uc804 \ucc28\ub2e8\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\ub294\ub2e4.<\/strong><\/p>\n<h2 id=\"vh-force\">4. Unbalanced\uc640 Balanced Trim \u2014 \uc555\ub825 \ud798\uc744 \uac04\ub2e8\ud558\uac8c \uc774\ud574\ud558\uae30 (4.2.4)<\/h2>\n<p class=\"statement\"><strong>\uac00\uc7a5 \uba3c\uc800 \uae30\uc5b5\ud560 \uac83:<\/strong> Unbalanced Trim\uc740 \ud50c\ub7ec\uadf8 \uc591\ucabd\uc758 <strong>\uc11c\ub85c \ub2e4\ub978 \uc555\ub825<\/strong>\uc774 \ud070 \ud798\uc744 \ub9cc\ub4e0\ub2e4. Balanced Trim\uc740 <strong>\uade0\uc555 \uad6c\uba4d\uc73c\ub85c \ubc18\ub300\ucabd\uc5d0\ub3c4 \uac19\uc740 \uc555\ub825\uc744 \uc804\ub2ec<\/strong>\ud558\uc5ec \ud070 \ud798\uc744 \uc11c\ub85c \uc9c0\uc6b4\ub2e4. \ubc38\ube0c \uc804\ud6c4 \uc555\ub825 \ucc28\uc774 <strong>P<sub>1<\/sub> \u2212 P<sub>2<\/sub><\/strong>\ub294 \uadf8\ub300\ub85c \uc874\uc7ac\ud55c\ub2e4.<\/p>\n<h3>4.1 \uae30\ud638\ub294 \ub124 \uac00\uc9c0\ub9cc \uae30\uc5b5<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uae30\ud638<\/th>\n<th>\ub73b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>P<sub>1<\/sub><\/td>\n<td>\ubc38\ube0c \uc0c1\ub958 \uc555\ub825<\/td>\n<\/tr>\n<tr>\n<td>P<sub>2<\/sub><\/td>\n<td>\ubc38\ube0c \ud558\ub958 \uc555\ub825<\/td>\n<\/tr>\n<tr>\n<td>P<sub>c<\/sub><\/td>\n<td>\ud50c\ub7ec\uadf8 \uc704\ucabd \uade0\uc555 \ucc54\ubc84 \uc555\ub825<\/td>\n<\/tr>\n<tr>\n<td>A<sub>s<\/sub>, A<sub>stem<\/sub><\/td>\n<td>\uac01\uac01 Seat \ub0b4\uacbd\uc758 \uc720\ud6a8 \uba74\uc801, Stem \ub2e8\uba74\uc801<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc555\ub825\uc740 Stem \uc678\ubd80\ub97c \ub300\uae30\uc555\uc73c\ub85c \ubcf8 <strong>\uac8c\uc774\uc9c0\uc555<\/strong>\uc73c\ub85c \ub193\ub294\ub2e4. \ucd95\ubc29\ud5a5 \ud798\uc740 <strong>\uc555\ub825 \u00d7 \ucd95\ubc29\ud5a5 \ud22c\uc601 \uba74\uc801<\/strong>\uc73c\ub85c \uacc4\uc0b0\ud55c\ub2e4. \uc544\ub798 \ubc29\ud5a5\uc744 (+)\ub85c \ub193\ub294\ub2e4. \uc720\uccb4\uac00 \ud50c\ub7ec\uadf8\uc758 <strong>\uc218\uc9c1 \uce21\uba74\ub9cc<\/strong> \ub204\ub978\ub2e4\uba74 \uadf8 \uc555\ub825\uc758 \ucd95\ubc29\ud5a5 \ud798\uc740 0\uc774\uc9c0\ub9cc, \uacbd\uc0ac\uba74\uc774\ub098 \ub2e8\ucc28\uac00 \uc788\uc73c\uba74 \ucd95\ubc29\ud5a5 \ud798\uc774 \uc0dd\uae34\ub2e4.<\/p>\n<h3>4.2 Unbalanced Trim \u2014 \uc6d0\uc11c \uc2dd\uacfc \uc0ac\uc6a9\uc790 \ud544\uae30<\/h3>\n<p>\uba3c\uc800 <strong>\uc6d0\uc11c\uac00 \uc124\uba85\ud55c \ub2e8\uc77c Seat, Flow-over \uc870\uac74<\/strong>\uc744 \ubcf8\ub2e4. \ud50c\ub7ec\uadf8 \uc704\ucabd\uc5d0\ub294 P<sub>1<\/sub>, \uc544\ub798\ucabd\uc5d0\ub294 P<sub>2<\/sub>\uac00 \uc791\uc6a9\ud55c\ub2e4. \uc704\ucabd\uc740 Stem \ub2e8\uba74\uc801\ub9cc\ud07c \uc555\ub825 \uc791\uc6a9 \uba74\uc801\uc774 \uc791\ub2e4.<\/p>\n<figure class=\"scan-figure\"><a href=\"images\/handwritten_notes_p01.jpg\" rel=\"noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"\uc0ac\uc6a9\uc790 \uc190\ud544\uae30 1\ucabd: \uc0c1\ub958\uc640 \ud558\ub958 \uc555\ub825 \uc791\uc6a9\uba74, unbalanced\uc640 balanced \ud798 \ubd84\uc11d\" loading=\"lazy\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/valve-handbook-ch3-ch4-trim-forces-20261106-7ff58219fff3f8c1.jpg\"\/><\/a><figcaption>\uc0ac\uc6a9\uc790 \uc190\ud544\uae30 1\ucabd. \uc6d0\ubcf8\uc744 \ucd95\uc18c\ud588\ub2e4. \ud074\ub9ad\ud558\uba74 \ud655\ub300\ud558\uc5ec \ubcfc \uc218 \uc788\ub2e4.<\/figcaption><\/figure>\n<div class=\"compact-pressure\">\n<div><strong>\uc704\ucabd P<sub>1<\/sub><\/strong><span>\u2193 \uc544\ub798\ub85c \ub204\ub984<\/span><small>P<sub>1<\/sub>(A<sub>s<\/sub> \u2212 A<sub>stem<\/sub>)<\/small><\/div>\n<div><strong>\uc544\ub798\ucabd P<sub>2<\/sub><\/strong><span>\u2191 \uc704\ub85c \ubc00\uc5b4 \uc62c\ub9bc<\/span><small>P<sub>2<\/sub>A<sub>s<\/sub><\/small><\/div>\n<\/div>\n<div class=\"formula\">F<sub>U<\/sub> = P<sub>1<\/sub>(A<sub>s<\/sub> \u2212 A<sub>stem<\/sub>) \u2212 P<sub>2<\/sub>A<sub>s<\/sub><small>\uc6d0\uc11c p.144\uc758 Unbalanced Trim \uc2dd. \uc544\ub798 \ubc29\ud5a5\uc744 (+)\ub85c \uc815\ud55c \uc555\ub825 \uc21c\ud798.<\/small><\/div>\n<p>\uc815\ub9ac\ud558\uba74 \uc544\ub798\ucc98\ub7fc \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n<div class=\"formula\">F<sub>U<\/sub> = (P<sub>1<\/sub> \u2212 P<sub>2<\/sub>)A<sub>s<\/sub> \u2212 P<sub>1<\/sub>A<sub>stem<\/sub><\/div>\n<p><strong>\uc758\ubbf8:<\/strong> Stem \uba74\uc801\uc774 \uc791\uc744 \ub54c \ud070 \ud798\uc740 <strong>(P<sub>1<\/sub> \u2212 P<sub>2<\/sub>)A<sub>s<\/sub><\/strong>\uc5d0\uc11c \uc0dd\uae34\ub2e4. \ub530\ub77c\uc11c Seat\uac00 \ud06c\uace0 \uc0c1\u00b7\ud558\ub958 \uc555\ub825 \ucc28\uc774\uac00 \ud074\uc218\ub85d \ub354 \ud070 \uc561\ucd94\uc5d0\uc774\ud130 \ucd94\ub825\uc774 \ud544\uc694\ud560 \uc218 \uc788\ub2e4. \ub2e8, \uc774 \uc2dd\uc740 \uc6d0\uc11c\uac00 \uc124\uc815\ud55c \uc555\ub825\u00b7\uc720\ub3d9 \ubc29\ud5a5\uc5d0\uc11c\uc758 \uc2dd\uc774\ub2e4.<\/p>\n<h3>4.3 Balanced Trim \u2014 \uc6d0\uc11c Figure 4.7\uc758 \uc555\ub825 \uc5f0\uacb0<\/h3>\n<figure class=\"book-figure\"><a href=\"images\/textbook_figure_4_7_user_crop.jpg\" rel=\"noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"Valve Handbook Figure 4.7\uc758 Pressure-balanced Trim \uc6d0\ubcf8 \ub2e8\uba74\" loading=\"lazy\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/valve-handbook-ch3-ch4-trim-forces-20261106-7a2ae20a14fdc0d1.jpg\"\/><\/a><figcaption><em>Valve Handbook<\/em>, Figure 4.7. \uc0ac\uc6a9\uc790\uac00 \uc62c\ub9b0 \uc6d0\uc11c \uadf8\ub9bc. \ud074\ub9ad\ud558\uba74 \ud655\ub300\ud560 \uc218 \uc788\ub2e4.<\/figcaption><\/figure>\n<p><strong>\uc774 \uadf8\ub9bc\uc5d0\uc11c\ub294 \uc0c1\ub958 P<sub>1<\/sub>\uc774 \uade0\uc555 \uad6c\uba4d\uc744 \ud1b5\ud574 \uc0c1\ubd80 \ucc54\ubc84\uc5d0 \uc804\ub2ec<\/strong>\ub41c\ub2e4. \uad6c\uba4d\uc758 \uc555\ub825\uc190\uc2e4\uacfc \ub204\uc124\uc744 \ubb34\uc2dc\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<div class=\"formula\">P<sub>c<\/sub> \u2248 P<sub>1<\/sub><small>\uc774 \uad00\uacc4\ub294 Figure 4.7\uc5d0\uc11c \uc124\uba85\ud558\ub294 \uc555\ub825 \uc5f0\uacb0\uc744 \uae30\uc900\uc73c\ub85c \ud55c\ub2e4.<\/small><\/div>\n<div class=\"compact-pressure\">\n<div><strong>\ud50c\ub7ec\uadf8 \uc704\ucabd<\/strong><span>\ucc54\ubc84 P<sub>c<\/sub>\uac00 \uc544\ub798\ub85c \ub204\ub984 \u2193<\/span><small>P<sub>c<\/sub>(A<sub>s<\/sub> \u2212 A<sub>stem<\/sub>)<\/small><\/div>\n<div><strong>\ud50c\ub7ec\uadf8 \uc544\ub798\ucabd<\/strong><span>\uc0c1\ub958 P<sub>1<\/sub>\uc774 \uc704\ub85c \ubc00\uc5b4 \uc62c\ub9bc \u2191<\/span><small>P<sub>1<\/sub>A<sub>s<\/sub><\/small><\/div>\n<\/div>\n<p>\uc774\ud574\ub97c \uc704\ud574 <strong>Sleeve\u00b7Seat\uc758 \ucd95\ubc29\ud5a5 \uc720\ud6a8 \uba74\uc801\uc774 \uac70\uc758 \uac19\uace0<\/strong>, \uadf8 \uba74\uc801 \ucc28\uc774\uc640 \ub098\uba38\uc9c0 \uc555\ub825 \uc791\uc6a9\uba74\uc744 \ubb34\uc2dc\ud558\ub294 <strong>\uc774\uc0c1\ud654 \uc870\uac74<\/strong>\ub9cc \uc801\uc6a9\ud55c\ub2e4.<\/p>\n<div class=\"formula\">F<sub>B<\/sub> \u2248 P<sub>c<\/sub>(A<sub>s<\/sub> \u2212 A<sub>stem<\/sub>) \u2212 P<sub>1<\/sub>A<sub>s<\/sub><\/div>\n<div class=\"formula\">P<sub>c<\/sub> \u2248 P<sub>1<\/sub> \u00a0\u21d2\u00a0 <strong>F<sub>B<\/sub> \u2248 \u2212P<sub>1<\/sub>A<sub>stem<\/sub><\/strong><small>\uc720\uccb4\uac00 \ud50c\ub7ec\uadf8\ub97c \uc704\ub85c \ubc00\uc5b4 \uc62c\ub9ac\ub294 \uc794\ub958 \uc555\ub825 \ud798. \uc544\ub798 \ubc29\ud5a5 (+) \uae30\uc900.<\/small><\/div>\n<p><strong>\uc989, \uc561\ucd94\uc5d0\uc774\ud130\uac00 \uc774 \ud798\uc744 \uc544\ub798 \ubc29\ud5a5\uc73c\ub85c \uc774\uaca8\uc57c \ud55c\ub2e4\uba74 \ud544\uc694\ud55c \uc555\ub825 \ud3c9\ud615 \ucd94\ub825\uc758 \ud06c\uae30\ub294 \uc57d P<sub>1<\/sub>A<sub>stem<\/sub>\uc774\ub2e4.<\/strong> \uc774\uac83\uc774 \uade0\uc555\uc73c\ub85c \ucd94\ub825\uc774 \uc904\uc5b4\ub4dc\ub294 \ud575\uc2ec\uc774\ub2e4. \uc774 \uc774\uc0c1\ud654 \uc2dd\uc5d0 P<sub>2<\/sub>\uac00 \uc5c6\ub2e4\uace0 \ud574\uc11c \ubc38\ube0c \uc804\ud6c4 \uc555\ub825 \ucc28\uc774\uac00 0\uc774\ub77c\ub294 \ub73b\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"caution\"><strong>\uc2e4\uc81c \uc120\uc815\uc5d0\ub294 \uc704 \ud55c \uc904\uc9dc\ub9ac \uc2dd\uc744 \uadf8\ub300\ub85c \uc4f0\uc9c0 \uc54a\ub294\ub2e4.<\/strong> Sleeve\uc640 Seat\uc758 \ubbf8\uc138\ud55c \uba74\uc801 \ucc28\uc774, Stem \uc678\ubd80 \uc555\ub825, \uc720\ub3d9 \uc911 \ud798, Seal\u00b7Packing \ub9c8\ucc30, \ubc00\ud3d0 Seat Load \ub4f1\uc774 \ucd94\uac00\ub41c\ub2e4. \uc2e4\uc81c \ucd94\ub825 \uacc4\uc0b0\uc740 \uc81c\uc870\uc0ac \ud45c\uc640 \uc561\ucd94\uc5d0\uc774\ud130 \uc120\uc815\uc2dd\uc744 \uc801\uc6a9\ud55c\ub2e4.<\/div>\n<h3>4.4 \uc911\uc694\ud55c \uc6d0\uc11c \uc624\ub958 \u2014 Balanced Trim \ucd94\ub825\uc2dd<\/h3>\n<p><strong>\uc6d0\uc11c p.144\uc5d0 \uc778\uc1c4\ub41c Balanced Trim \uc2dd\uc740 Figure 4.7\uc758 \uc555\ub825 \uc791\uc6a9\uba74\uacfc \uc77c\uce58\ud558\uc9c0 \uc54a\ub294 \uc624\ub958\ub85c \ud310\ub2e8\ud55c\ub2e4.<\/strong> \ub3c5\uc790\uac00 \uc774 \uc2dd\uc744 \uadf8\ub300\ub85c \uc678\uc6cc\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n<div class=\"formula\">F<sub>OBA,book<\/sub> = P<sub>1<\/sub>(A<sub>sleeve<\/sub> \u2212 A<sub>stem<\/sub>) \u2212 P<sub>2<\/sub>A<sub>s<\/sub><small>\uc6d0\uc11c\uc5d0 \uc778\uc1c4\ub41c Balanced Trim \uc2dd \u2014 \uc624\ub958\ub85c \ud310\ub2e8, \uc124\uacc4 \uacc4\uc0b0\uc5d0 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc74c.<\/small><\/div>\n<p><strong>\ubb38\uc81c\uc810\uc740 \uac04\ub2e8\ud558\ub2e4.<\/strong> Figure 4.7\uc740 \uade0\uc555 \uad6c\uba4d\uc73c\ub85c <strong>P<sub>1<\/sub>\uc774 \ud50c\ub7ec\uadf8 \uc591\ucabd\uc5d0 \uc791\uc6a9<\/strong>\ud55c\ub2e4\uace0 \uc124\uba85\ud55c\ub2e4. \uadf8\ub7f0\ub370 \uc778\uc1c4\ub41c \uc2dd\uc740 \ud50c\ub7ec\uadf8 \ubc18\ub300\ud3b8\uc5d0 \uc791\uc6a9\ud558\ub294 <strong>P<sub>1<\/sub>\uc758 Seat \uba74\uc801 \ud798<\/strong>\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \ubc18\uc601\ud558\uc9c0 \uc54a\uace0, P<sub>2<\/sub>A<sub>s<\/sub>\ub97c \ubc14\ub85c \ube7c\ubbc0\ub85c \uadf8\ub9bc\uc5d0\uc11c \uc758\ub3c4\ud55c \ud798\uc758 \uc0c1\uc1c4\ub97c \uc124\uba85\ud558\uc9c0 \ubabb\ud55c\ub2e4.<\/p>\n<p>\ub610\ud55c Figure 4.7\uc744 \uc81c\uacf5\ud55c Valtek\uc758 <a href=\"https:\/\/www.helgem.com.tw\/Valtek\/Electronic%20Literature\/Literature\/Valtek%20Control%20Products%20Literature\/Sizing%20and%20Selection\/SS_16.PDF\" rel=\"noopener\" target=\"_blank\">\uc81c\uc870\uc0ac \uc561\ucd94\uc5d0\uc774\ud130 \uc120\uc815 \uc790\ub8cc(Linear Actuator Sizing, Pressure-balanced Trim)<\/a>\ub294 <strong>Seat\u00b7Sleeve\u00b7Stem\uc758 \uba74\uc801 \ucc28\uc774<\/strong>\ub97c \uad6c\ubd84\ud574 \ubd88\ud3c9\ud615 \uba74\uc801\uc744 \uc815\uc758\ud55c\ub2e4. \uc774\ub294 \uc6d0\uc11c\uc5d0 \uc778\uc1c4\ub41c \uc2dd\uc744 \uadf8\ub300\ub85c \uc4f0\ub294 \uac83\uacfc \ub2e4\ub974\ub2e4. \ub530\ub77c\uc11c \ubcf8 \ube14\ub85c\uadf8\uc5d0\uc11c\ub294 \uc774 \uc2dd\uc744 <strong>\uc6d0\uc11c\uc758 \uc624\ub958\ub85c \ud45c\uc2dc\ud558\uace0<\/strong> \uc124\uba85\uc6a9 \uc774\uc0c1\ud654 \ud798 \ud3c9\ud615 \ubc0f \uc81c\uc870\uc0ac \uc790\ub8cc\ub97c \uad6c\ubd84\ud55c\ub2e4.<\/p>\n<p class=\"source-note\"><strong>\ud310\uc815\uc758 \ubc94\uc704:<\/strong> \uc774 \ub0b4\uc6a9\uc740 Figure 4.7\uc758 \uade0\uc555 \uad6c\uc870\uc640 Valtek \uc790\ub8cc\ub97c \ub300\uc870\ud55c \uae30\uc220\uc801 \ud310\ub2e8\uc774\ub2e4. \ucd9c\ud310\uc0ac\uc758 \uacf5\uc2dd \uc815\uc624\ud45c\uac00 \ud655\uc778\ub418\uc5c8\ub2e4\ub294 \uc758\ubbf8\ub294 \uc544\ub2c8\ub2e4.<\/p>\n<h3>4.5 \uc774 \ubd80\ubd84\uc744 \ud55c \ubb38\uc7a5\uc73c\ub85c \uc554\uae30<\/h3>\n<div class=\"statement\"><strong>Unbalanced\ub294 P<sub>1<\/sub>\uacfc P<sub>2<\/sub>\uac00 \ub9cc\ub4dc\ub294 \ud070 \ud798\uc744 \uc561\ucd94\uc5d0\uc774\ud130\uac00 \uc774\uaca8\uc57c \ud55c\ub2e4. Balanced\ub294 \uade0\uc555 \uad6c\uba4d\uc73c\ub85c \ud50c\ub7ec\uadf8 \ubc18\ub300\ud3b8\uc5d0\ub3c4 P<sub>1<\/sub>\uc744 \uc804\ub2ec\ud574 \ud070 \ud798\uc744 \uc11c\ub85c \uc0c1\uc1c4\ud558\uace0, Stem \ub4f1\uc758 \uc794\ub958 \ud798\ub9cc \ub0a8\uae34\ub2e4.<\/strong><\/div>\n<p>\uc0ac\uc6a9\uc790\uc758 \ub2e4\ub978 \uc190\uadf8\ub9bc\uc5d0\ub294 \ucc54\ubc84\ub97c \ud558\ub958 P<sub>2<\/sub>\uc640 \uc5f0\uacb0\ud558\ub294 \uac00\uc815\ub3c4 \ub098\uc628\ub2e4. \uadf8 \uacbd\uc6b0\uc5d0\ub294 <strong>P<sub>c<\/sub> \u2248 P<sub>2<\/sub><\/strong>\ub85c \uacc4\uc0b0\ud558\uc9c0\ub9cc, <strong>Figure 4.7\uc758 P<sub>c<\/sub> \u2248 P<sub>1<\/sub> \uad6c\uc870\uc640 \uc11e\uc9c0 \uc54a\ub294\ub2e4.<\/strong><\/p>\n<h2 id=\"vh-special\">5. \ud2b9\uc218 Trim \ubc0f Globe Body Variations (4.2.4~4.2.5)<\/h2>\n<h3>5.1 Needle \/ Double-ported \/ Sanitary Trim<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ud615\uc2dd<\/th>\n<th>\uad6c\uc870<\/th>\n<th>\uc8fc\ub41c \ubaa9\uc801\u00b7\uc81c\uc57d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Needle Trim<\/td>\n<td>\uac00\ub290\ub2e4\ub780 Plug\uc640 \ubbf8\uc138 \uc870\uc808 \ub098\uc0ac<\/td>\n<td>\uadf9\uc18c \uc720\ub7c9\uc744 \uc815\ubc00 \uc870\uc808. \uc6d0\uc11c\ub294 \ub9e4\uc6b0 \uc791\uc740 \uc720\ub7c9\uacc4\uc218 \uc601\uc5ed\uacfc \ubbf8\uc138 \uac00\uacf5 \ud544\uc694\uc131\uc744 \uc124\uba85<\/td>\n<\/tr>\n<tr>\n<td>Pressure-balanced Trim<\/td>\n<td>\uade0\uc555 \ud640, Sleeve, Sliding Seal<\/td>\n<td>\uc555\ub825 \ubd88\ud3c9\ud615\ub825 \ubc0f Actuator \ucd94\ub825 \uac10\uc18c. \uc785\uc790\uc131 \uc720\uccb4\uc5d0\uc11c Seal \uc190\uc0c1\u00b7\ub0b4\ubd80 \ub204\uc124 \uac00\ub2a5\uc131<\/td>\n<\/tr>\n<tr>\n<td>Double-ported Trim<\/td>\n<td>\ud558\ub098\uc758 Stem\uc5d0 Plug Head 2\uac1c\u00b7Seat 2\uac1c<\/td>\n<td>\uc0c1\ud558 Plug\uc758 \ubc18\ub300 \ubc29\ud5a5 \uc555\ub825 \ud798\uc744 \uc0c1\ub2f9 \ubd80\ubd84 \uc0c1\uc1c4. \ub450 Seat \ub3d9\uc2dc \ubc00\ud3d0\uac00 \uc5b4\ub824\uc6c0<\/td>\n<\/tr>\n<tr>\n<td>Sanitary Trim<\/td>\n<td>\ubc30\uc218 \uac00\ub2a5\ud55c Angle \uad6c\uc870, \uace0\uc784 \uacf5\uac04 \ucd5c\uc18c\ud654<\/td>\n<td>\uc2dd\ud488\u00b7\uc74c\ub8cc\uc758 \uc138\ucc99\uc131\u00b7\uc624\uc5fc \ubc29\uc9c0. \uade0\uc555 \ucc54\ubc84\uc758 \uccb4\ub958 \uacf5\uac04\uc740 \uc704\uc0dd\uc131\uc5d0 \ubd88\ub9ac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>5.2 Double-ported\uac00 \uc644\uc804 \uade0\uc555\uc740 \uc544\ub2cc \uc774\uc720<\/h3>\n<p>\ub450 \uac1c\uc758 Plug Head\uc5d0\uc11c \uc0dd\uae30\ub294 \ud798\uc774 \uc11c\ub85c \ubc18\ub300 \ubc29\ud5a5\uc774\uae30 \ub54c\ubb38\uc5d0 \uc804\uccb4 \ucd94\ub825\uc740 \uc904\uc5b4\ub4e0\ub2e4. \uadf8\ub7ec\ub098 \ub450 Plug\uc758 \ud615\uc0c1\uacfc \uc555\ub825 \uc791\uc6a9\uba74\uc774 \uc644\uc804\ud788 \ub300\uce6d\uc774 \uc544\ub2c8\uba70, <strong>\ud55c\ucabd Seat\uac00 \uba3c\uc800 \ub2eb\ud788\uba74 \ub2e4\ub978 Seat\ub294 \ubbf8\uc138\ud558\uac8c \uc5f4\ub824 \uc788\uc744 \uc218 \uc788\ub2e4.<\/strong> \uc6d0\uc11c\ub294 \uc774\ub7ec\ud55c \uad6c\uc870 \ub54c\ubb38\uc5d0 \uc815\uaca9 \uc720\ub7c9\uc758 \uc57d <strong>0.5%<\/strong> \uc218\uc900\uc758 \ud5c8\uc6a9 \ub204\uc124\uc744 \uc124\uba85\ud55c\ub2e4. \uc628\ub3c4\uc5d0 \uc758\ud55c Seat \uac04 \uac70\ub9ac \ubcc0\ud654\ub3c4 \ubc00\ud3d0\ub97c \uc545\ud654\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n<h3>5.3 Pressure-balanced Trim\uc758 \uc2e4\ubb34\uc801 \uad50\ud658 \uad00\uacc4<\/h3>\n<div class=\"columns\">\n<div class=\"cols-item\"><strong>\uc5bb\ub294 \uac83<\/strong><\/p>\n<ul>\n<li>\ubd88\ud3c9\ud615 \uc555\ub825 \ud798 \uac10\uc18c<\/li>\n<li>\ub354 \uc791\uc740 Actuator \uc120\ud0dd \uac00\ub2a5<\/li>\n<li>\uace0\uc555\ub825\u00b7\ud070 Seat\uc5d0\uc11c \uacf5\uac04\uacfc \ube44\uc6a9 \uc808\uac10 \uac00\ub2a5<\/li>\n<\/ul>\n<\/div>\n<div class=\"cols-item\"><strong>\uc9c0\ubd88\ud558\ub294 \uac83<\/strong><\/p>\n<ul>\n<li>Sleeve\uc640 Seal\uc758 \ubcf5\uc7a1\uc131<\/li>\n<li>\uc785\uc790\uc5d0 \uc758\ud55c \ub9c8\ubaa8\u00b7\uace0\ucc29 \uc704\ud5d8<\/li>\n<li>\uc77c\ubd80 \uc870\uac74\uc5d0\uc11c Unbalanced\ubcf4\ub2e4 \ubd88\ub9ac\ud55c \ucc28\ub2e8 \ub204\uc124<\/li>\n<li>\uc815\ube44\uc8fc\uae30\uc640 \ucd08\uae30\ube44\uc6a9 \uac80\ud1a0 \ud544\uc694<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h3>5.4 Globe Body\ub97c \ubc14\uafb8\ub294 \ubaa9\uc801<\/h3>\n<p>\uae00\ub85c\ube0c \ubc38\ube0c\ub294 <strong>\uac19\uc740 Plug\u2013Seat \uad50\ucd95 \uc6d0\ub9ac<\/strong>\ub97c \uc720\uc9c0\ud558\uba74\uc11c Body\uc758 \uc720\ub85c\u00b7\uc815\ube44 \ubc29\uc2dd\u00b7\uc785\ucd9c\uad6c \ubc29\ud5a5\uc744 \ubc14\uafc0 \uc218 \uc788\ub2e4. \uc6d0\uc11c 4.2.5\ub294 \ub2e4\uc74c \ubcc0\ud615\uc744 \uc18c\uac1c\ud55c\ub2e4.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Body<\/th>\n<th>\uad6c\uc870\u00b7\uc0ac\uc6a9 \uc774\uc720<\/th>\n<th>\uc8fc\uc758\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T-style \/ Flow-through<\/td>\n<td>\uc785\uad6c\u00b7\ucd9c\uad6c\ub294 \ud55c \uc904\uc774\uc9c0\ub9cc \ub0b4\ubd80 \uc720\ub85c\ub294 \ud06c\uac8c \uaebe\uc784<\/td>\n<td>\uc0c1\ub300\uc801\uc73c\ub85c \ud070 \uc555\ub825\uc190\uc2e4\uacfc Body \ub192\uc774<\/td>\n<\/tr>\n<tr>\n<td>Elongated Cryogenic<\/td>\n<td>Plug \uc704\uc758 \uacf5\uac04\uc744 \uc5f0\uc7a5\ud574 \uc561\ud654\uac00\uc2a4 \uc77c\ubd80\uc758 \uae30\ud654\uc5d0 \uc758\ud55c \uc99d\uae30 \uc7a5\ubcbd \ud615\uc131<\/td>\n<td>\uc628\ub3c4\u00b7\uc555\ub825 \uc870\uac74\ubcc4 Packing \ubcf4\ud638 \uc124\uacc4 \ud544\uc694<\/td>\n<\/tr>\n<tr>\n<td>Angle<\/td>\n<td>\uc785\ucd9c\uad6c 90\u00b0. \uae30\ud3ec \ubd95\uad34 \uc704\uce58\uc758 \ud558\ub958 \ubc30\uad00 \uc911\uc2ec \uc720\ub3c4, \ubc30\uc218, Venturi Seat \uc870\ud569<\/td>\n<td>\ub192\uc740 \uc555\ub825 \ud68c\ubcf5\uc73c\ub85c \uce90\ube44\ud14c\uc774\uc158 \ubc1c\uc0dd \uac00\ub2a5\uc131\uc774 \uc624\ud788\ub824 \ucee4\uc9c8 \uc218 \uc788\uc74c<\/td>\n<\/tr>\n<tr>\n<td>Sweep-angle<\/td>\n<td>\uc720\uccb4\u00b7\uc785\uc790\ub97c \ubab8\uccb4 \ubcbd\uc5d0 \uc9c1\uc811 \ucda9\ub3cc\uc2dc\ud0a4\uc9c0 \uc54a\ub3c4\ub85d \uace1\uc120 \uc720\ub85c \ud615\uc131<\/td>\n<td>\uc785\uc790\uc131 \uc720\uccb4\uc758 \uce68\uc2dd\uacfc \ub9c8\ubaa8 \uad00\ub9ac<\/td>\n<\/tr>\n<tr>\n<td>Expanded-outlet<\/td>\n<td>Trim\uc5d0 \ube44\ud574 \ud06c\uac8c \ub9cc\ub4e0 \ubc30\uad00 \uc811\uc18d\ubd80<\/td>\n<td>\ubc30\uad00 Reducer \ube44\uc6a9\u00b7\uc124\uce58 \uae38\uc774 \uc808\uac10 \ubaa9\uc801<\/td>\n<\/tr>\n<tr>\n<td>Offset Body<\/td>\n<td>\uc785\ucd9c\uad6c \ucd95\uc120\uc740 \ud3c9\ud589\ud558\uc9c0\ub9cc \uc11c\ub85c \uc5b4\uae0b\ub0a8<\/td>\n<td>T-style\ubcf4\ub2e4 \uc720\ub85c \uad74\uace1\uacfc \uc555\ub825\uc190\uc2e4 \uac10\uc18c \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>Split Body<\/td>\n<td>Body\ub97c \uc0c1\ud558\ub85c \ubd84\ub9ac\ud574 Seat\ub97c \ub07c\uc6b0\ub294 \uad6c\uc870<\/td>\n<td>\uc810\uac80\u00b7\uad50\uccb4 \uc720\ub9ac\ud558\ub098 \ubd84\ud560\uba74 \ub204\uc124 \uacbd\ub85c \ubc0f \uace0\uc628 \uc6a9\uc811 \ubc30\uad00\uc758 \ubd84\ud574 \uc81c\uc57d<\/td>\n<\/tr>\n<tr>\n<td>Y-body<\/td>\n<td>Stem\uc744 \ubc30\uad00\ucd95\uc5d0 \uc57d 45\u00b0 \ub610\ub294 60\u00b0 \uae30\uc6b8\uc5ec \uc720\ub85c \uc800\ud56d\uc744 \uc904\uc784<\/td>\n<td>\ud070 \uc720\ub7c9 \uc6a9\ub7c9\u00b7\ub0ae\uc740 \uc555\ub825\uc190\uc2e4. \uc124\uce58 \ubc29\ud5a5\u00b7\uacf5\uac04 \ud655\uc778<\/td>\n<\/tr>\n<tr>\n<td>Three-way<\/td>\n<td>3\ud3ec\ud2b8\uc640 2\uac1c Seat\ub85c \ubd84\uae30 \ub610\ub294 \ud63c\ud569<\/td>\n<td>\uc720\uccb4 \ubc29\ud5a5\u00b7Plug \uc704\uce58\uc5d0 \ub530\ub978 \ud3ec\ud2b8 \uc5f0\uacb0\uc744 \ub3c4\uba74\uc73c\ub85c \ud655\uc778<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"caution\"><strong>Angle Valve\uc758 \ud575\uc2ec \uad6c\ubcc4:<\/strong> <strong>\uce90\ube44\ud14c\uc774\uc158 \ubc1c\uc0dd\uc744 \uc5b5\uc81c<\/strong>\ud558\ub294 \uac83\uacfc <strong>\uc774\ubbf8 \ubc1c\uc0dd\ud55c \uce90\ube44\ud14c\uc774\uc158\uc758 \ubd95\uad34\ub85c\ubd80\ud130 \uae08\uc18d \ud45c\uba74\uc744 \ubcf4\ud638<\/strong>\ud558\ub294 \uac83\uc740 \ub2e4\ub978 \uc124\uacc4 \ubaa9\uc801\uc774\ub2e4. Angle Body\ub294 \ud6c4\uc790\uc5d0 \uc720\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ud560 \uc218 \uc788\uc5b4\ub3c4 \uc804\uc790\ub97c \uc790\ub3d9\uc73c\ub85c \ubcf4\uc7a5\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/div>\n<h2 id=\"vh-butterfly\">6. Butterfly Control Valves (4.3)<\/h2>\n<h3>6.1 \uc791\ub3d9 \uc6d0\ub9ac\uc640 \ub450 \uc885\ub958 (4.3.1)<\/h3>\n<p>\ubc84\ud130\ud50c\ub77c\uc774 \uc81c\uc5b4\ubc38\ube0c\ub294 \ud68c\uc804 Shaft\uc5d0 \uc5f0\uacb0\ub41c Disk\ub97c <strong>0\u00b0 \ub2eb\ud798\uc5d0\uc11c \uc57d 90\u00b0 \uc5f4\ub9bc\uae4c\uc9c0<\/strong> \uc6c0\uc9c1\uc778\ub2e4. \uc720\ub3d9\uc740 Body\ub97c \uac70\uc758 \uc9c1\uc120\uc73c\ub85c \uc9c0\ub098\uace0, Disk\uac00 \ud1b5\ub85c\uc5d0 \ub0a8\uc544 \uc720\ub7c9\uc744 \uc81c\ud55c\ud55c\ub2e4.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uad6c\ubd84<\/th>\n<th>Concentric<\/th>\n<th>Eccentric \/ High-performance<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ucd95 \uc704\uce58<\/td>\n<td>Disk\u00b7Shaft \uc911\uc2ec \uc77c\uce58<\/td>\n<td>\ucd95\uc744 Disk\u00b7Seat \uc911\uc2ec\uc5d0\uc11c \ud3b8\uc2ec<\/td>\n<\/tr>\n<tr>\n<td>Seat \uc811\ucd09<\/td>\n<td>\uc911\uac04 \uac1c\ub3c4\uc5d0\ub3c4 \uc77c\ubd80 \uc811\ucd09 \uc9c0\uc18d<\/td>\n<td>\uc5f4\ub9ac\uba74\uc11c Seat\uc5d0\uc11c \ub5a8\uc5b4\uc9c0\ub3c4\ub85d \uc124\uacc4 \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>\uc804\ud615\uc801 \uc6a9\ub3c4<\/td>\n<td>\uc8fc\ub85c \ucc28\ub2e8<\/td>\n<td>\ubc18\ubcf5\uc801\uc778 \uad50\ucd95 \uc81c\uc5b4<\/td>\n<\/tr>\n<tr>\n<td>\uc124\uacc4\uc0c1 \ubaa9\uc801<\/td>\n<td>\ub2e8\uc21c \uad6c\uc870\u00b7\uacbd\uc81c\uc131<\/td>\n<td>Seat \ub9c8\ubaa8 \uac10\uc18c\u00b7\uc81c\uc5b4 \uc548\uc815\uc131 \ud5a5\uc0c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc6d0\uc11c\ub294 Globe\uc5d0 \ube44\ud574 Body\uac00 \uac00\ubccd\uace0 \uc791\uc73c\uba70, \uac19\uc740 \ud638\uce6d \ud06c\uae30\uc5d0\uc11c \ub354 \ud070 \ud1b5\uacfc \uc6a9\ub7c9\uc744 \ud655\ubcf4\ud558\uae30 \uc27d\ub2e4\ub294 \uc810\uc744 \uc7a5\uc810\uc73c\ub85c \uc124\uba85\ud55c\ub2e4. \uadf8\ub7ec\ub098 Disk\uc5d0 \ud070 \ud6a1\ud558\uc911\uacfc \uc720\ub3d9 \ud1a0\ud06c\uac00 \uc0dd\uae38 \uc218 \uc788\uace0, \uac1c\ubc29 \uc704\uce58\uac00 Seat \uac00\uae4c\uc774 \uc788\uc744 \ub54c \uc704\uce58 \uc720\uc9c0\uac00 \uc5b4\ub835\ub2e4.<\/p>\n<h3>6.2 Body\u00b7Seat\u00b7Shaft \uad6c\uc870 (4.3.2)<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uad6c\uc870<\/th>\n<th>\uad6c\ubd84 \uae30\uc900<\/th>\n<th>\uc124\uacc4 \ud3ec\uc778\ud2b8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Wafer<\/td>\n<td>\uc587\uc740 Body\ub97c \uc591\ucabd \ud50c\ub79c\uc9c0 \uc0ac\uc774\uc5d0 \ub07c\uc6c0<\/td>\n<td>\uc9e7\uc740 Face-to-face; \uc124\uce58 \ubcfc\ud2b8\u00b7\ud33d\ucc3d \ud655\uc778<\/td>\n<\/tr>\n<tr>\n<td>Flanged<\/td>\n<td>Body \uc790\uccb4\uc5d0 \ud50c\ub79c\uc9c0 2\uac1c<\/td>\n<td>\ud070 \ud06c\uae30\u00b7\uc5f0\uacb0 \uac15\uc131\uc5d0 \uc720\ub9ac<\/td>\n<\/tr>\n<tr>\n<td>Lug<\/td>\n<td>\ubab8\uccb4 \ub7ec\uadf8\u00b7\ub098\uc0ac \uad6c\uba4d\uc744 \ud1b5\ud574 \uac01\ucabd \ud50c\ub79c\uc9c0 \uccb4\uacb0<\/td>\n<td>\uad00\ud1b5 \ubcfc\ud2b8\uac00 \ubd88\ub9ac\ud55c \uc124\uce58 \uc870\uac74 \ub300\uc751<\/td>\n<\/tr>\n<tr>\n<td>Soft Seat<\/td>\n<td>\ud0c4\uc131\uccb4\u00b7\ud3f4\ub9ac\uba38\ub85c \ubc00\ud3d0<\/td>\n<td>\ub0ae\uc740 \ub204\uc124, \uc628\ub3c4\u00b7\ub9c8\ubaa8 \ud55c\uacc4<\/td>\n<\/tr>\n<tr>\n<td>Metal Seat<\/td>\n<td>\uc720\uc5f0 \uae08\uc18d \ubc00\ud3d0 \uc694\uc18c<\/td>\n<td>\uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc740 \uc628\ub3c4, Seat \uc811\ucd09\ud558\uc911\u00b7\ub204\uc124 \uac80\ud1a0<\/td>\n<\/tr>\n<tr>\n<td>Dual Seat<\/td>\n<td>Soft+Metal \uc870\ud569<\/td>\n<td>\ud654\uc7ac \uc2dc \ubcf4\uc870 \uae08\uc18d \ubc00\ud3d0 \ub4f1 \ubaa9\uc801<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Soft Seat\uc758 \ubc00\ud3d0 \uc6d0\ub9ac:<\/strong> \uc6d0\uc11c\uc5d0\uc11c\ub294 \uc720\uccb4 \uc555\ub825\uc73c\ub85c \ud0c4\uc131\uccb4\uac00 Seat \ud2c8\uc5d0 \ubc00\ucc29\ub418\ub294 <em>Poisson Effect<\/em>, \uc811\ud798\u00b7\ub808\ubc84 \uc791\uc6a9\uc744 \uc774\uc6a9\ud558\ub294 <em>Toggle Effect<\/em>, Disk\uac00 Seat\ub97c \ubbf8\ub9ac \ub20c\ub7ec \ubcc0\ud615\uc2dc\ud0a4\ub294 <em>Mechanical Preload<\/em>\ub97c \uc18c\uac1c\ud55c\ub2e4. \uc138 \ubc29\ubc95\uc740 \ubaa8\ub450 \ubc00\ud3d0\ub97c \ub9cc\ub4e4\uc9c0\ub9cc <strong>\uc555\ub825 \ubc29\ud5a5\uc774 \ubc14\ub014 \ub54c \ubc00\ud3d0\uac00 \uc720\uc9c0\ub418\ub294\uc9c0<\/strong>\uae4c\uc9c0 \uac80\ud1a0\ud574\uc57c \ud55c\ub2e4.<\/p>\n<h3>6.3 \uc6b4\uc804\u00b7\ud1a0\ud06c\uc640 \uc190\uc0c1 (4.3.3)<\/h3>\n<ol>\n<li><strong>Breakout Torque:<\/strong> \ub2eb\ud78c Disk\ub97c Seat\uc5d0\uc11c \ucc98\uc74c \ub5bc\uc5b4\ub0bc \ub54c \ud544\uc694\ud55c \ud1a0\ud06c. \ucd08\uae30 \ubc00\ud3d0 \ud558\uc911\uacfc \uc720\uccb4\ub825\uc774 \ud06c\uba74 \uc99d\uac00\ud55c\ub2e4.<\/li>\n<li><strong>\uc720\ub3d9 \ud1a0\ud06c:<\/strong> Disk\uc758 \uc55e\ub4a4 \ud615\uc0c1 \ucc28\uc774\uc640 Shaft \uc704\uce58 \ub54c\ubb38\uc5d0 \uc720\uccb4\uac00 Disk\ub97c \uc5f4\uac70\ub098 \ub2eb\ub294 \ubc29\ud5a5\uc758 \ud1a0\ud06c\ub97c \ub9cc\ub4e0\ub2e4. Fail \ubc29\ud5a5\uc740 Actuator \uc2a4\ud504\ub9c1\uacfc \ud568\uaed8 \ud655\uc778\ud55c\ub2e4.<\/li>\n<li><strong>Seat \ub9c8\ubaa8:<\/strong> Concentric \ubc29\uc2dd\uc740 \ubc18\ubcf5 \uad50\ucd95 \uc911 \uc811\ucd09\uc810\uc774 \ub9c8\ubaa8\ub420 \uc218 \uc788\uace0, Eccentric \ubc29\uc2dd\uc740 \uc811\ucd09 \uc2dc\uac04\uc744 \uc904\uc778\ub2e4.<\/li>\n<li><strong>\ub192\uc740 \uc555\ub825 \ud68c\ubcf5:<\/strong> Disk \ub4a4 \uc555\ub825\uc774 \uc77c\ubd80 \ud68c\ubcf5\ub418\uc9c0\ub9cc \uad6d\ubd80 \ucd5c\uc800\uc555\ub825\uc774 \ub0ae\uc544\uc9c0\uae30 \uc26c\uc6cc \ub192\uc740 \uc555\ub825 \ucc28\uc774 \uc6b4\uc804\uc5d0\uc11c \uce90\ube44\ud14c\uc774\uc158\u00b7Choked Flow\uc5d0 \ubd88\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/li>\n<\/ol>\n<p>\uc6d0\uc11c\uc5d0\uc11c\ub294 \ubc84\ud130\ud50c\ub77c\uc774 \uc81c\uc5b4\ubc38\ube0c\uc758 \ub300\ud45c\uc801\uc778 Rangeability\ub97c <strong>\uc57d 20:1<\/strong>\ub85c \uc124\uba85\ud55c\ub2e4. \uc774\ub294 2004\ub144 \uc6d0\uc11c\uc5d0\uc11c \uc81c\uc2dc\ud55c \uc77c\ubc18\uc801\uc778 \uac12\uc774\uba70, \ud604\ub300\uc758 \uac1c\ubcc4 \uc81c\ud488 \ubaa8\ub450\uc5d0 \uadf8\ub300\ub85c \uc801\uc6a9\ud560 \uace0\uc815 \uaddc\uaca9\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<div class=\"tip\"><strong>\uc120\uc815 \uae30\uc5b5:<\/strong> <strong>\ub300\uad6c\uacbd\u00b7\uc800\uc555\ub825 \ucc28\uc774\u00b7\uc124\uce58 \uacf5\uac04\u00b7\uacbd\uc81c\uc131<\/strong>\uc5d0\uc11c\ub294 Butterfly\ub97c \uac80\ud1a0\ud558\uace0, <strong>\uace0\uc555\ub825 \ucc28\uc774\u00b7\uce90\ube44\ud14c\uc774\uc158\u00b7\ubbf8\uc138 \uac1c\ub3c4 \uc548\uc815\uc131<\/strong>\uc5d0\uc11c\ub294 Globe \ub610\ub294 \ubcc4\ub3c4\uc758 Severe Service Trim\uc744 \uac80\ud1a0\ud55c\ub2e4.<\/div>\n<h2 id=\"vh-ball\">7. Ball Control Valves (4.4)<\/h2>\n<h3>7.1 \ub192\uc740 \uc720\ub7c9 \uc6a9\ub7c9\uacfc \uc804\ub2e8 \uc791\uc6a9 (4.4.1)<\/h3>\n<p>Ball Valve\ub294 \ubcfc\uc744 \uc57d <strong>90\u00b0 \ud68c\uc804<\/strong>\ud558\uc5ec \ud1b5\ub85c\ub97c \uc870\uc808\ud55c\ub2e4. \uc644\uc804 \uac1c\ubc29 \uc2dc \uc720\ub85c\uac00 \uace7\uac8c \ud655\ubcf4\ub418\uc5b4 \ud070 \uc720\ub7c9\uc744 \ud1b5\uacfc\uc2dc\ud0a4\uae30 \uc27d\ub2e4. \uc6d0\uc11c\ub294 \ub3d9\uae09\uc758 Globe\ubcf4\ub2e4 \ub192\uc740 \uc720\ub7c9 \uc6a9\ub7c9\uacfc \ub192\uc740 Rangeability\ub97c \uc8fc\uc694 \uc7a5\uc810\uc73c\ub85c \uc124\uba85\ud55c\ub2e4.<\/p>\n<p>\ud2b9\ud788 Slurry\u00b7\uc12c\uc720\uc9c8 \uc720\uccb4\uc5d0\uc11c\ub294 \ud68c\uc804\ud558\ub294 \ubcfc\uc758 \uac00\uc7a5\uc790\ub9ac\uc640 Seat\uac00 \ub9de\ubb3c\ub9ac\uba70 <strong>Shearing Action(\uc804\ub2e8 \uc791\uc6a9)<\/strong>\uc744 \ub9cc\ub4e4\uc5b4, \uc12c\uc720\uc9c8\uc774 Seat\uc5d0 \uac78\ub9ac\ub294 \ubb38\uc81c\ub97c \uc904\uc77c \uc218 \uc788\ub2e4. \uadf8\ub7ec\ub098 \uc785\uc790\uac00 Seal\uc744 \uc190\uc0c1\uc2dc\ud0a4\uac70\ub098 \ubd80\ubd84 \uac1c\ub3c4\uc5d0\uc11c \uce68\uc2dd\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc73c\ubbc0\ub85c \ubb34\uc870\uac74 \ub0b4\uad6c\uc131\uc774 \ub192\ub2e4\uace0 \ud574\uc11d\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n<h3>7.2 Full-port vs Characterizable \/ Segmented Ball<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uad6c\ubd84<\/th>\n<th>Full-port Ball<\/th>\n<th>Segmented \/ Characterizable Ball<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud615\uc0c1<\/td>\n<td>\uc911\uc559\uc5d0 \uc6d0\ud1b5\ud615 \uad00\ud1b5 \uad6c\uba4d\uc774 \uc788\ub294 \uac70\uc758 \uc644\uc804\ud55c \uad6c<\/td>\n<td>\uad6c\uc758 \uc77c\ubd80\uc640 V-notch\u00b7\ud3ec\ubb3c\uc120 \uac1c\uad6c<\/td>\n<\/tr>\n<tr>\n<td>\uc8fc\ubaa9\uc801<\/td>\n<td>\ucc28\ub2e8 \ubc0f \ub0ae\uc740 \uc644\uc804 \uac1c\ubc29 \uc555\ub825\uc190\uc2e4<\/td>\n<td>\uac1c\ub3c4\uc5d0 \ub530\ub77c \uc124\uacc4\ub41c \uc720\ub7c9 \uc81c\uc5b4<\/td>\n<\/tr>\n<tr>\n<td>\uac1c\ubc29 \uc2dc<\/td>\n<td>\ubc30\uad00\uacfc \uc720\uc0ac\ud55c \uc9c1\uc120 \uc720\ub85c<\/td>\n<td>\ud68c\uc804\ud558\ub294 Segment\uac00 \uc720\ub85c\uc5d0\uc11c \ubc97\uc5b4\ub0a8<\/td>\n<\/tr>\n<tr>\n<td>\ubd80\ubd84 \uac1c\ub3c4<\/td>\n<td>\uc785\uad6c\u00b7\ucd9c\uad6c\uc758 \uc81c\ud55c\ubd80\uc5d0\uc11c \uac01\uae30 \uc555\ub825 \uc800\ud558 \uac00\ub2a5<\/td>\n<td>Seat\u00b7Segment \uc0ac\uc774 \uad50\ucd95\ubd80\uc5d0 \uc555\ub825 \uc800\ud558 \uc9d1\uc911<\/td>\n<\/tr>\n<tr>\n<td>\uc8fc\uc758\uc810<\/td>\n<td>\ub0a0\uce74\ub85c\uc6b4 \ud1b5\ub85c \ub05d\uc758 \uc18c\uc74c\u00b7\uce68\uc2dd \uc704\ud5d8<\/td>\n<td>\uac1c\uad6c \ud615\uc0c1, Seat \ub9c8\ubaa8, \uc720\uccb4 \ud1a0\ud06c \uac80\ud1a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc6d0\uc11c\ub294 V-notch\uac00 \uac16\ub294 <strong>\uace0\uc720 Linear \uc720\ub7c9 \ud2b9\uc131<\/strong>\uacfc \ud604\uc7a5 \uc124\uce58 \ud6c4\uc758 \ud2b9\uc131\uc774 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc74c\uc744 \uc124\uba85\ud55c\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uae30\uc874 Chapter 2 \uac8c\uc2dc\ubb3c\uacfc \uacb9\uce58\uc9c0 \uc54a\ub3c4\ub85d \ud2b9\uc131 \uace1\uc120\uc758 \uc218\uc2dd\u00b7\uadf8\ub798\ud504\ub294 \ubc18\ubcf5\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<h3>7.3 Floating-seal\uacfc Trunnion-mounted (4.4.2)<\/h3>\n<ul>\n<li><strong>Floating-seal:<\/strong> \uad6c\ud615 Ball\uc774 Seal\uacfc \uc811\ucd09\ud558\uc5ec \uc9c0\uc9c0\u00b7\ubc00\ud3d0\ub418\ub294 \uad6c\uc870. \uc555\ub825\uc5d0 \ub530\ub978 Seat \uc811\ucd09\ub825\uacfc \ub9c8\ucc30 \ud1a0\ud06c\ub97c \uac80\ud1a0\ud55c\ub2e4.<\/li>\n<li><strong>Trunnion-mounted:<\/strong> \ucd95\u00b7\uc9c0\uc9c0\ubd80\uac00 \ubcfc\uc758 \uc704\uce58\ub97c \uc9c0\uc9c0\ud558\uc5ec Seal\uc758 \uc9c0\uc9c0 \ubd80\ub2f4\uc744 \uc904\uc774\ub294 \uad6c\uc870. \uace0\uc555 \uc870\uac74\uc758 \uc9c0\uc9c0\ub825\u00b7\ub9c8\ucc30 \uc81c\uc5b4\uc5d0 \uc720\ub9ac\ud558\ub2e4.<\/li>\n<\/ul>\n<p>Soft Seal\uc740 \ub192\uc740 \ubc00\ud3d0 \uc131\ub2a5\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc73c\ub098 \uc628\ub3c4 \ud55c\uacc4\uac00 \uc788\uace0, Metal Seal\uc740 \uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc740 \uc628\ub3c4\uc5d0 \uc720\ub9ac\ud558\uc9c0\ub9cc \ud5c8\uc6a9 \ub204\uc124 \ubc0f Seat \uc811\ucd09 \ub9c8\ubaa8\ub97c \ud655\uc778\ud574\uc57c \ud55c\ub2e4. \uc6d0\uc11c\ub294 Soft Seal \uc801\uc6a9\uc5d0\uc11c ANSI Class VI, Metal Seal\uc5d0\uc11c Class IV \uc218\uc900\uc744 \ub300\ud45c \uc608\ub85c \ub4e0\ub2e4.<\/p>\n<h3>7.4 \uc6b4\uc804(4.4.3): \uc65c \ub450 \uad6c\uc870\uc758 \uc555\ub825\uc190\uc2e4 \uc704\uce58\uac00 \ub2e4\ub978\uac00?<\/h3>\n<div class=\"step-card\"><strong>Full-port<\/strong><\/p>\n<p>\ubd80\ubd84 \uac1c\ub3c4\uc5d0\uc11c\ub294 \ubcfc \uad6c\uba4d\uc758 <strong>\uc785\uad6c\uc640 \ucd9c\uad6c\uac00 \uac01\uac01 \uc81c\ud55c\ubd80<\/strong>\ub97c \ud615\uc131\ud560 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c \uc720\uccb4\uac00 \ub450 \uc81c\ud55c\ubd80\ub97c \uc9c0\ub098\uba70 \ub098\ub204\uc5b4 \uc555\ub825\uc774 \ub0ae\uc544\uc9c0\ub294 \ubaa8\ub378\ub85c \uc774\ud574\ud560 \uc218 \uc788\ub2e4.<\/p>\n<\/div>\n<div class=\"step-card\"><strong>Segmented Ball<\/strong><\/p>\n<p>\uc8fc\ub41c \uad50\ucd95 \uc704\uce58\uac00 <strong>Segment\uc640 Seat\uac00 \ub9cc\ub098\ub294 \uac1c\uad6c\ubd80<\/strong>\uc5d0 \ud615\uc131\ub41c\ub2e4. \uac1c\uad6c\uc758 \ubaa8\uc591\uc744 \uc124\uacc4\ud558\uc5ec \uc2a4\ud2b8\ub85c\ud06c\uc5d0 \ub530\ub978 \uc720\ub7c9\uc744 \uc870\uc808\ud55c\ub2e4.<\/p>\n<\/div>\n<p>\uc6d0\uc11c\uc758 \ub300\ud45c Rangeability \uc57d <strong>300:1<\/strong> \ubc0f Globe \ub300\ube44 \uc720\ub7c9 \uc6a9\ub7c9 \uc57d <strong>2~3\ubc30<\/strong>\ub294 \ud615\uc2dd\uc758 \ud2b9\uc9d5\uc744 \uc124\uba85\ud558\uae30 \uc704\ud55c \ub2f9\uc2dc\uc758 \uc608\uc2dc \uac12\uc774\ub2e4. \uc2e4\uc81c \uc120\uc815\uc740 \uc81c\uc870\uc0ac \uc0ac\uc774\uc9d5 \uacb0\uacfc \ubc0f \uc6b4\uc804 \uc870\uac74\uc744 \uae30\uc900\uc73c\ub85c \ud574\uc57c \ud55c\ub2e4.<\/p>\n<div class=\"caution\"><strong>\uc120\uc815\uc0c1 \uc8fc\uc758:<\/strong> Full-open\uc5d0\uc11c \uc720\ub85c \uc800\ud56d\uc774 \uc791\ub2e4\uace0 \ud574\uc11c \uace0\uc555\ub825 \ucc28\uc774\uc758 <strong>\ubd80\ubd84 \uac1c\ub3c4 \uc6b4\uc804<\/strong>\uc5d0\uc11c\ub3c4 \uce90\ube44\ud14c\uc774\uc158\u00b7\uce68\uc2dd \uc704\ud5d8\uc774 \uc791\ub2e4\ub294 \ub73b\uc740 \uc544\ub2c8\ub2e4. \uc6b4\uc804 \uac1c\ub3c4\uc640 \uc720\uccb4 \uc0c1\ud0dc\ub97c \ud568\uaed8 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/div>\n<h2 id=\"vh-eccentric\">8. Eccentric Plug Control Valves (4.5)<\/h2>\n<h3>8.1 \uc6d0\ub9ac: \ud3b8\uc2ec\ucd95\uc73c\ub85c Seat \ub9c8\ucc30\uc744 \uc904\uc778\ub2e4 (4.5.1)<\/h3>\n<p>Eccentric Plug\ub294 Globe\uc758 Plug\u2013Seat \ubc00\ud3d0 \uc6d0\ub9ac\uc640 \ud68c\uc804\uc2dd \ubc38\ube0c\uc758 \ud070 \uc720\ub7c9 \uc6a9\ub7c9\uc744 \uacb0\ud569\ud55c\ub2e4. Shaft\uc758 \ud68c\uc804\ucd95\uc744 Seat \uc911\uc2ec\uc5d0\uc11c <strong>\ud3b8\uc2ec(Offset)<\/strong>\uc2dc\ud0a4\ubbc0\ub85c, Plug\uac00 \uc5f4\ub9ac\ub294 \uc21c\uac04 Seat\uc5d0\uc11c \ub5a8\uc5b4\uc838 <strong>\uc911\uac04 \uac1c\ub3c4\uc5d0\uc11c\ub294 \uc11c\ub85c \ube44\uc811\ucd09 \uc0c1\ud0dc<\/strong>\uac00 \ub41c\ub2e4. \ub2e4\uc2dc \ub2eb\ud790 \ub54c \ub9c8\uc9c0\ub9c9 \uad6c\uac04\uc5d0\uc11c \ubc00\ud3d0\uba74\uc774 \ub9cc\ub098\ub3c4\ub85d \uc124\uacc4\ud55c\ub2e4.<\/p>\n<div class=\"flowline\">\uc644\uc804 \ub2eb\ud798(Seat \uc811\ucd09) \u2192 \ucd08\uae30 \ud68c\uc804(\uc989\uc2dc \uc774\ud0c8) \u2192 \uc911\uac04 \uac1c\ub3c4(\ube44\uc811\ucd09 \uc774\ub3d9) \u2192 \ub2e4\uc2dc \ub2eb\ud798(Seat\uc5d0 \uc811\ucd09)<\/div>\n<p>\ub530\ub77c\uc11c \ud68c\uc804 \uc911 Seat\uc640 \ub9c8\ucc30\ud558\ub294 \uc2dc\uac04\uc774 \uc904\uc5b4 <strong>Breakout Torque \ubc0f \ubc18\ubcf5 \ub9c8\ubaa8\uac00 \uac10\uc18c<\/strong>\ud55c\ub2e4. \uc774 \uc810\uc774 Seal\uacfc \uc0c1\ub2f9 \uad6c\uac04 \uc811\ucd09\ud558\ub294 \uc77c\ubc18 Ball Valve\uc640 \ub2e4\ub978 \ud575\uc2ec\uc774\ub2e4.<\/p>\n<h3>8.2 \uad6c\uc870\u00b7\ucc28\ub2e8 \uc131\ub2a5 (4.5.2)<\/h3>\n<ul>\n<li><strong>Plug:<\/strong> Globe Plug Head\uc640 \ube44\uc2b7\ud55c \ubc00\ud3d0\uba74\uc744 \ud68c\uc804\ucd95\uc5d0 \uc9c1\uac01\uc73c\ub85c \ubd80\ucc29\ud558\uba70, \ud55c\ucabd\uc73c\ub85c \ud68c\uc804\ud574 \uc720\ub85c \ubc16\uc73c\ub85c \uc774\ub3d9\ud55c\ub2e4.<\/li>\n<li><strong>Seat:<\/strong> Threaded Seat \ub610\ub294 Floating Self-centering Seat\ub97c \uc774\uc6a9\ud574 Plug\uc640 Seat\uc758 \uc911\uc2ec\uc744 \ub9de\ucd98\ub2e4.<\/li>\n<li><strong>Seat \uc7ac\uc9c8:<\/strong> \uc6d0\uc11c\uc758 \ub300\ud45c \uc608\uc2dc\ub294 Metal Seat\uc758 Class IV, Soft Seat\uc758 Class VI \ubc00\ud3d0.<\/li>\n<li><strong>Reduced Trim:<\/strong> Seat \uac1c\uad6c\ubd80\ub97c \ubcc0\uacbd\ud574 \ud1b5\uacfc \uc6a9\ub7c9\uc744 \uc904\uc77c \uc218 \uc788\ub2e4\ub294 \uc810\uc744 \uc7a5\uc810\uc73c\ub85c \uc18c\uac1c\ud55c\ub2e4.<\/li>\n<\/ul>\n<h3>8.3 \uc6b4\uc804 \ubc29\ud5a5\uacfc \ud68c\uc804\uac01 (4.5.3)<\/h3>\n<p>\uc6d0\uc11c\ub294 \uc644\uc804 \ub2eb\ud798 0\u00b0\uc5d0\uc11c \uc644\uc804 \uac1c\ubc29\uc744 \ub300\ub7b5 <strong>60~80\u00b0<\/strong>\ub85c \uc124\uba85\ud558\uba70, \ucda9\ubd84\ud55c \ud68c\uc804 \ubc94\uc704\ub97c \uc0ac\uc6a9\ud558\uba74 \uac1c\ub3c4 \ubd84\ud574\ub2a5 \ud655\ubcf4\uc5d0 \ub3c4\uc6c0\uc774 \ub41c\ub2e4\uace0 \uc124\uba85\ud55c\ub2e4. \uc644\uc804 \uac1c\ubc29 \uc2dc Plug\ub294 Seat\uc5d0 \ub300\ud574 \uac70\uc758 \uc9c1\uac01\uc744 \uc774\ub8e8\uace0 \uc720\uccb4\uc758 \uc8fc\ud1b5\ub85c \ubc16\uc5d0 \uc704\uce58\ud55c\ub2e4.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uc124\uce58 \ubc29\ud5a5\uc758 \uc608<\/th>\n<th>\uc720\uccb4 \ud798\uc774 \ub3d5\ub294 \ubc29\ud5a5<\/th>\n<th>\uc6d0\uc11c\uc758 Fail \uad6c\uc131 \uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Shaft\uac00 \ud558\ub958 \ucabd<\/td>\n<td>Plug\ub97c \uc5f4\uc5b4 \uc8fc\ub294 \ubc29\ud5a5<\/td>\n<td>Fail-open \uc801\uc6a9\uacfc \uacb0\ud569 \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>Shaft\uac00 \uc0c1\ub958 \ucabd<\/td>\n<td>Plug\ub97c \ub2eb\uc544 \uc8fc\ub294 \ubc29\ud5a5<\/td>\n<td>Fail-closed \uc801\uc6a9\uacfc \uacb0\ud569 \uac00\ub2a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc774 \ud45c\ub294 <strong>\uc720\ub3d9\uc774 Plug\uc5d0 \uc8fc\ub294 \ud1a0\ud06c\uc758 \uacbd\ud5a5<\/strong>\uc744 \uc124\uba85\ud55c\ub2e4. \uc2e4\uc81c \ube44\uc0c1 \ub3d9\uc791\uc740 Actuator \uc2a4\ud504\ub9c1 \ubc29\ud5a5\u00b7\uad6c\ub3d9 \uae30\uad6c\u00b7\uc720\ub3d9 \ud558\uc911\uc758 \uc870\ud569\uc73c\ub85c \ud655\uc815\ud55c\ub2e4.<\/p>\n<p>\uc6d0\uc11c\uc5d0\uc11c\ub294 Rangeability\ub97c <strong>100:1 \uc774\uc0c1<\/strong>\uc758 \ub300\ud45c \uac12\uc73c\ub85c \uc124\uba85\ud55c\ub2e4. \uace0\uc555\ub825 \ucc28\uc774\uc758 \uadf9\ud55c \uc11c\ube44\uc2a4\ubcf4\ub2e4\ub294 <strong>\uc911\uac04 \uc815\ub3c4\uc758 \uc555\ub825 \ucc28\uc774\uc5d0\uc11c \ub192\uc740 \uc81c\uc5b4\uc131\uacfc \ubc00\ud3d0\u00b7\ub9c8\ubaa8 \uc131\ub2a5\uc744 \ud568\uaed8 \uc694\uad6c\ud560 \ub54c<\/strong> \uc720\ub9ac\ud55c \ubc29\uc2dd\uc73c\ub85c \uc815\ub9ac\ud55c\ub2e4.<\/p>\n<h2 id=\"vh-compare\">9. Chapter 4 \ud1b5\ud569 \ube44\uad50\uc640 \uae30\uc220\uc0ac \ub2f5\uc548 \uad6c\uc131<\/h2>\n<h3>9.1 \uad6c\uc870 \u2192 \ubc1c\uc0dd\ud558\ub294 \ud798 \u2192 \uc7a5\ub2e8\uc810<\/h3>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ud615\uc2dd<\/th>\n<th>\ud2b9\uc9d5\uc801\uc778 \uad6c\ub3d9\ub825\u00b7\ubd80\ud558<\/th>\n<th>\uc8fc\uc694 \uc7a5\uc810<\/th>\n<th>\uac80\ud1a0\ud574\uc57c \ud560 \uc57d\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Globe Single-seat<\/td>\n<td>Plug\uc758 \ucd95\ubc29\ud5a5 \uc555\ub825 \ud798<\/td>\n<td>\ub192\uc740 \uc81c\uc5b4\uc131, \ub2e4\uc591\ud55c Trim, \ub192\uc740 \ucc28\ub2e8\ub825 \uac00\ub2a5<\/td>\n<td>\ucd94\ub825\u00b7Body \uc911\ub7c9\u00b7\uc555\ub825\uc190\uc2e4<\/td>\n<\/tr>\n<tr>\n<td>Globe Balanced<\/td>\n<td>\uade0\uc555\ub41c \ubc18\ub300 \ubc29\ud5a5 \ud798 \uc0c1\uc1c4<\/td>\n<td>Actuator \ucd94\ub825 \uac10\uc18c<\/td>\n<td>Seal\/Sliding \uba74, \ub204\uc124, \uc785\uc790\uc131 \uc720\uccb4<\/td>\n<\/tr>\n<tr>\n<td>Double-ported<\/td>\n<td>\ub450 Seat\uc5d0\uc11c \uc11c\ub85c \ubc18\ub300 \ubc29\ud5a5 \ud798<\/td>\n<td>\ucd94\ub825 \uac10\uc18c, Three-way \uc751\uc6a9<\/td>\n<td>\ub450 Seat \uc815\ub82c\u00b7\ub3d9\uc2dc \ubc00\ud3d0 \ubb38\uc81c<\/td>\n<\/tr>\n<tr>\n<td>Butterfly<\/td>\n<td>Disk\uc758 \uce21\ud558\uc911\u00b7\uc720\ub3d9 \ud1a0\ud06c<\/td>\n<td>\ub300\uc720\ub7c9\u00b7\uacbd\ub7c9\u00b7\uc9e7\uc740 \uc124\uce58 \uae38\uc774<\/td>\n<td>\uace0\uc555\ub825 \ucc28\uc774\uc758 \uce90\ube44\ud14c\uc774\uc158\u00b7Seat \ub9c8\ubaa8<\/td>\n<\/tr>\n<tr>\n<td>Ball \/ Segmented<\/td>\n<td>Seal \uc811\ucd09 \ud1a0\ud06c\u00b7\ubd80\ubd84 \uac1c\ub3c4 \uace0\uc18d \ud750\ub984<\/td>\n<td>\ud070 \uc720\ub7c9 \uc6a9\ub7c9\u00b7\uc804\ub2e8 \uc791\uc6a9\u00b7\uac1c\uad6c \ud615\uc0c1 \uc124\uacc4<\/td>\n<td>Seat \ub9c8\ubaa8\u00b7\uce68\uc2dd\u00b7\uc18c\uc74c<\/td>\n<\/tr>\n<tr>\n<td>Eccentric Plug<\/td>\n<td>\ud3b8\uc2ec \ud68c\uc804\u00b7Seat\uc5d0 \ub9c8\uc9c0\ub9c9 \uc21c\uac04 \uc811\ucd09<\/td>\n<td>Seat \ub9c8\ubaa8\uc640 Breakout Torque \uac10\uc18c<\/td>\n<td>\ud68c\uc804\ucd95 \uc815\ub82c\u00b7\ubc00\ud3d0\uba74\u00b7\ud1a0\ud06c \uac80\ud1a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>9.2 \ud604\uc7a5\uc5d0\uc11c \uc120\uc815\ud560 \ub54c\uc758 \ud310\ub2e8 \uc21c\uc11c<\/h3>\n<ol>\n<li><strong>\uacf5\uc815 \uc870\uac74:<\/strong> \uc720\uccb4 \uc885\ub958, \uc628\ub3c4, \uc785\uc790\u00b7\uc12c\uc720\uc9c8 \ud3ec\ud568 \uc5ec\ubd80, \uc0c1\ub958 P<sub>1<\/sub>\uacfc \ud558\ub958 P<sub>2<\/sub>\ub97c \ud655\uc778\ud55c\ub2e4.<\/li>\n<li><strong>\uc81c\uc5b4 \ubaa9\uc801:<\/strong> \uc77c\ubc18 \uc720\ub7c9 \uc81c\uc5b4\uc778\uc9c0, \uace0\uc555\ub825 \ucc28\uc774\u00b7\ubbf8\uc138 \uac1c\ub3c4\u00b7\uace0\ubc00\ud3d0 \uc694\uad6c\uc778\uc9c0 \uacb0\uc815\ud55c\ub2e4.<\/li>\n<li><strong>\ubb3c\ub9ac\uc801 \ud55c\uacc4:<\/strong> \uc555\ub825 \ud68c\ubcf5, \uce90\ube44\ud14c\uc774\uc158, Flashing, \uce68\uc2dd, \uc18c\uc74c\u00b7\uc9c4\ub3d9, \uad6c\ub3d9 \ud1a0\ud06c\u00b7\ucd94\ub825\uc744 \uac80\ud1a0\ud55c\ub2e4.<\/li>\n<li><strong>\uad6c\uc870 \uc120\ud0dd:<\/strong> Globe \/ Butterfly \/ Ball \/ Eccentric Plug \uc911 \uae30\ubcf8 \ud615\uc2dd\uc744 \uace0\ub978 \ub4a4 \ud544\uc694\uc2dc Trim \ubc0f Body \ubcc0\ud615\uc744 \uacb0\uc815\ud55c\ub2e4.<\/li>\n<li><strong>\uad6c\ub3d9\uae30\uc640 \ubc00\ud3d0:<\/strong> Fail \ub3d9\uc791, Seat \ub204\uc124 \ub4f1\uae09, Stem\u00b7Seal \ub9c8\ucc30, \uc815\ube44\uc131\uae4c\uc9c0 \ud655\uc778\ud55c\ub2e4.<\/li>\n<\/ol>\n<div class=\"summary\">\n<p><strong>\uae30\uc5b5 1.<\/strong> Unbalanced Trim\uc758 \ud575\uc2ec\uc740 \ud50c\ub7ec\uadf8 \uc591\ucabd\uc758 \uc555\ub825 \ucc28\uc774 <strong>P<sub>1<\/sub> \u2212 P<sub>2<\/sub><\/strong>\uac00 \ud070 Seat \uba74\uc801\uc5d0 \uc791\uc6a9\ud558\uc5ec \ucd95\ubc29\ud5a5 \ud798\uc744 \ub9cc\ub4dc\ub294 \uac83\uc774\ub2e4.<\/p>\n<p><strong>\uae30\uc5b5 2.<\/strong> Figure 4.7\uc758 Balanced Trim\uc5d0\uc11c\ub294 \uade0\uc555 \uad6c\uba4d\uc73c\ub85c <strong>P<sub>c<\/sub> \u2248 P<sub>1<\/sub><\/strong>\uc744 \ub9cc\ub4e4\uc5b4 \ud070 \ud50c\ub7ec\uadf8 \uc555\ub825 \ud798\uc744 \uc0c1\uc1c4\ud55c\ub2e4.<\/p>\n<p><strong>\uae30\uc5b5 3.<\/strong> \uc774\uc0c1\ud654 \uc870\uac74\uc5d0\uc11c \ud50c\ub7ec\uadf8 \uc794\ub958 \ud798\uc740 <strong>Stem \ub2e8\uba74\uc801\uc5d0 \uc758\ud55c \ud798<\/strong>\uc73c\ub85c \ud06c\uac8c \uc904\uc5b4\ub4e0\ub2e4. \ubc38\ube0c \uc804\ud6c4 <strong>P<sub>1<\/sub> \u2212 P<sub>2<\/sub><\/strong>\ub294 \uacc4\uc18d \uc874\uc7ac\ud55c\ub2e4.<\/p>\n<p><strong>\uae30\uc5b5 4.<\/strong> \uc6d0\uc11c p.144\uc758 Balanced Trim \ucd94\ub825\uc2dd\uc740 \uadf8\ub9bc\uacfc \uc81c\uc870\uc0ac \uc790\ub8cc\uc5d0 \ube44\ucd94\uc5b4 <strong>\uc624\ub958\ub85c \ud310\ub2e8<\/strong>\ud558\ubbc0\ub85c \uadf8\ub300\ub85c \uc678\uc6b0\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<p><strong>\uae30\uc5b5 5.<\/strong> Double-ported\ub294 \ub450 Plug\uc758 \ubc18\ub300 \ud798\uc73c\ub85c \ucd94\ub825\uc744 \uc904\uc778\ub2e4. Butterfly\ub294 \ub300\uc720\ub7c9, Ball\uc740 \ud070 \ud1b5\uacfc \uc6a9\ub7c9\uacfc \uc804\ub2e8 \uc791\uc6a9, Eccentric Plug\ub294 Seat \ube44\uc811\ucd09 \ud3b8\uc2ec \ud68c\uc804\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n<\/div>\n<h2 id=\"vh-notes\">10. \uc0ac\uc6a9\uc790 \ud544\uae30 \uc6d0\ubcf8\uacfc \uc555\ub825 \ubaa8\ub378 \ube44\uad50<\/h2>\n<p>2026-11-06 \uc190\ud544\uae30 3\ucabd\uc758 \uc6d0\ubb38\uc740 \ubcf4\uc874\ud558\ub418, \ubcf8\ubb38\uc5d0\uc11c \uc774\ubbf8 \uc81c\uc2dc\ud55c 1\ucabd\uc744 \ubc18\ubcf5\ud574 \ud06c\uac8c \ud45c\uc2dc\ud558\uc9c0 \uc54a\ub294\ub2e4. 2\u00b73\ucabd\uc740 \ucd95\uc18c\ud574\uc11c \uc81c\uc2dc\ud558\uba70 \ud074\ub9ad\ud558\uba74 \ud655\ub300\ud560 \uc218 \uc788\ub2e4. \ud544\uae30 \uc18d \uc5ec\ub7ec \uade0\uc555 \uac00\uc815\uc740 \uac01\uac01 \ub2e4\ub978 \uad6c\uc870\uc774\ubbc0\ub85c \ud63c\uc6a9\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<figure class=\"scan-figure\"><a href=\"images\/handwritten_notes_p02.jpg\" rel=\"noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"\uc0ac\uc6a9\uc790 \uc190\ud544\uae30 2\ucabd, \ucd95\ubc29\ud5a5 \ud798 \uacc4\uc0b0\uacfc \uc720\ud6a8 \uba74\uc801\" loading=\"lazy\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/valve-handbook-ch3-ch4-trim-forces-20261106-62d39bdc1a1ff281.jpg\"><figcaption>\ud544\uae30 2\/3 \u2014 \ucd95\ubc29\ud5a5 \ud22c\uc601 \uba74\uc801\uacfc \ud798\uc758 \ubc29\ud5a5, \uc5ec\ub7ec \uade0\uc555 \ubaa8\ub378\uc758 \uc2dd \uac80\ud1a0<\/figcaption><\/img><\/a><\/figure>\n<figure class=\"scan-figure\"><a href=\"images\/handwritten_notes_p03.jpg\" rel=\"noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"\uc0ac\uc6a9\uc790 \uc190\ud544\uae30 3\ucabd, butterfly ball eccentric plug \uc694\uc57d\" loading=\"lazy\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/valve-handbook-ch3-ch4-trim-forces-20261106-c8d1727bda967907.jpg\"><figcaption>\ud544\uae30 3\/3 \u2014 Butterfly \/ Ball \/ Eccentric Plug Control Valve \ube44\uad50<\/figcaption><\/img><\/a><\/figure>\n<figure class=\"sketch-figure\"><img decoding=\"async\" alt=\"\uc0ac\uc6a9\uc790\uac00 \uc81c\uc2dc\ud55c Balanced vs Unbalanced Trim \ube44\uad50 \uadf8\ub9bc\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/valve-handbook-ch3-ch4-trim-forces-20261106-6f9d19cc5b82e34b.png\"><figcaption>\uc0ac\uc6a9\uc790\uac00 \uc81c\uacf5\ud55c Balanced Trim \/ Unbalanced Trim \ub2e8\uc21c \ube44\uad50 \uadf8\ub9bc. \uc774 \uadf8\ub9bc\ub9cc\uc73c\ub85c Pc\uc758 \uc5f0\uacb0 \uc555\ub825\uc744 \ud655\uc815\ud560 \uc218 \uc5c6\uc73c\ubbc0\ub85c \ud798 \uacc4\uc0b0\uc5d0 \uc9c1\uc811 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc558\ub2e4.<\/figcaption><\/img><\/figure>\n<p class=\"small\"><strong>\uc790\ub8cc\u00b7\uac80\uc99d \ubc94\uc704:<\/strong> Skousen, <em>Valve Handbook<\/em>, 3rd ed., Chapter 3 \ubc0f Chapter 4 (4.1~4.5, \uc6d0\uc11c p.129~183); \uc0ac\uc6a9\uc790\uac00 \uc81c\uacf5\ud55c 2026-11-06 \uc190\ud544\uae30(3\ucabd), \ud2b8\ub9bc \ube44\uad50 \uc6d0\ubcf8 \uadf8\ub9bc\uacfc Figure 4.7 \ubc1c\ucdcc. \ucd9c\ucc98\uac00 \ub2e4\ub978 \uadf8\ub9bc\uc740 \uadf8 \ubaa8\ub378\uc5d0 \ud55c\uc815\ud574 \uc124\uba85\ud55c\ub2e4. \ub3c4\ud574\uc5d0 \ud45c\uc2dc\ud55c \ubc29\ud5a5\uacfc \ud798 \uc2dd\uc740 \uc804\ud615\uc801 \uac1c\ub150 \ub610\ub294 \uba85\uc2dc\ub41c \uc774\uc0c1\ud654 \uac00\uc815\uc774\uba70 \uc81c\uc791\uc0ac\ubcc4 \ubc30\uce58\uc640 \ub3d9\uc77c\ud558\ub2e4\uace0 \ub2e8\uc815\ud558\uc9c0 \uc54a\ub294\ub2e4. \uc6d0\uc11c\uc5d0 \uc81c\uc2dc\ub41c \uc218\uce58\u00b7\ubc00\ud3d0 \ub4f1\uae09\uc740 \ud574\ub2f9 \ud310\ubcf8\uc758 \ub300\ud45c \uc608\uc2dc\uc774\ubbc0\ub85c \uc2e4\uc81c \ubc1c\uc8fc\uc5d0\ub294 \ucd5c\uc2e0 \uc81c\uc870\uc0ac \uc790\ub8cc\uc640 \ud574\ub2f9 \uc0b0\uc5c5 \uaddc\uaca9\uc744 \ud655\uc778\ud574\uc57c \ud55c\ub2e4.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 3\u00b74 \uc694\uc57d. \uc0ac\uc6a9\uc790 \uc190\uadf8\ub9bc\uacfc \uad50\uc7ac Figure 4.7\uc744 \uae30\uc900\uc73c\ub85c Unbalanced\/Balanced Trim\uc758 \ud798\uc744 \ub2e8\uc21c\ud654\ud558\uace0, \uc6d0\uc11c Balanced Trim \uc218\uc2dd \uc624\ub958\ub97c \uba85\uc2dc\ud588\uc2b5\ub2c8\ub2e4. \uc190\ud544\uae30\ub294 \ucd95\uc18c \uc774\ubbf8\uc9c0\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[2286,2284,1430,1431,2283,1293,2285,1611,1426,2279,2280,1622],"wpgpxmaps_activity":[],"class_list":["post-9859","post","type-post","status-publish","format-standard","hentry","category-1185","tag-axial-force","tag-balanced-trim","tag-ball-valve","tag-butterfly-valve","tag-chapter-4","tag-control-valve","tag-double-ported-trim","tag-eccentric-plug-valve","tag-globe-valve","tag-manual-valve","tag-unbalanced-trim","tag-valve-handbook"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=9859"}],"version-history":[{"count":3,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9859\/revisions"}],"predecessor-version":[{"id":9866,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9859\/revisions\/9866"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=9859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=9859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=9859"},{"taxonomy":"wpgpxmaps_activity","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/wpgpxmaps_activity?post=9859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}