{"id":1979,"date":"2026-02-01T09:00:00","date_gmt":"2026-02-01T09:00:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=1979"},"modified":"2026-03-04T06:14:56","modified_gmt":"2026-03-04T06:14:56","slug":"ductile-iron-vs-cast-iron-butterfly-valve-lcc","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/ko\/blog\/butterfly-valve\/comparison\/ductile-iron-vs-cast-iron-butterfly-valve-lcc\/","title":{"rendered":"\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\uc640 \uc8fc\ucca0 \ubc38\ube0c \ube44\uad50: \ub3c4\uc2dc \uc0c1\uc218\ub3c4 \uc778\ud504\ub77c\uc5d0 \ub300\ud55c \uc0dd\uc560\uc8fc\uae30 \ube44\uc6a9 \ubd84\uc11d"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud558\ub294 \uac83 <a href=\"https:\/\/www.tgvalve.com\/ko\/butterfly-valve-manufacturer-in-china\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong><\/a> \uadf8\ub9ac\uace0 <strong>\uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \uc774\ub294 \ub3c4\uc2dc \uc0c1\uc218\ub3c4 \uc778\ud504\ub77c\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EPC(\uc124\uacc4, \uc870\ub2ec \ubc0f \uac74\uc124) \uad6c\ub9e4\uc790\uc5d0\uac8c \uc800\ub834\ud55c \uc790\uc7ac\ub294 \uc885\uc885 &quot;\uae30\uc220 \ubd80\ucc44&quot;\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd80\ucc44\ub294 \ud504\ub85c\uc81d\ud2b8\uc758 50\ub144 \uc218\uba85 \ub3d9\uc548 \ud6e8\uc52c \ub354 \ub192\uc740 \uc720\uc9c0\ubcf4\uc218 \ubc0f \uc6b4\uc601 \ube44\uc6a9\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub354 \uc800\ub834\ud55c \uac83\uc744 \uc120\ud0dd\ud558\ub2e4 <strong>\uc8fc\ucca0 \uc6e8\uc774\ud37c \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \ubd84\uae30\ubcc4 \uc608\uc0b0\uc740 \ucda9\uc871\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud504\ub85c\uc81d\ud2b8 \uc218\uba85 \uc8fc\uae30 \ud6c4\ubc18\uc5d0 \ub9c9\ub300\ud55c \uc6b4\uc601\ube44(OPEX) \uae09\uc99d\uc744 \uc720\ubc1c\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \ucd1d\uc18c\uc720\ube44\uc6a9(TCO)\uc5d0 \ub300\ud574 \ub17c\uc758\ud558\uc5ec \uc774\ud574\uad00\uacc4\uc790\ub4e4\uc774 \uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uacfc \uc704\ud5d8 \uc644\ud654\ub77c\ub294 \uad00\uc810\uc5d0\uc11c \uc790\uc7ac \uc120\ud0dd\uc744 \uc815\ub2f9\ud654\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\uc758 \uc7ac\uc9c8 \uad6c\uc131 \uc694\uc18c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc7ac\ub8cc\uc758 \ube44\uc6a9\uc744 \uc774\ud574\ud558\ub824\uba74 \uc7ac\ub8cc\uc758 \uad6c\uc131 \uc694\uc18c\ub97c \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc8fc\ucca0 \ub610\ub294 \ud68c\uc8fc\ucca0(ASTM A126):<\/strong> \uc774 \uc18c\uc7ac\ub294 \uc624\ub79c \uc0b0\uc5c5\uc801 \ud65c\uc6a9\ub3c4\uc640 \uc800\ub834\ud55c \uac00\uaca9\uc73c\ub85c \uc798 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc, \uc870\uac01 \ud615\ud0dc\uc758 \ud751\uc5f0 \uad6c\uc870\ub85c \uc778\ud574 \ubcf8\uc9c8\uc801\uc73c\ub85c \ucde8\uc131\uc774 \uac15\ud558\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5f0\uc131 \uc8fc\ucca0(ASTM A536):<\/strong> \uc774 \uc18c\uc7ac\ub294 &quot;\uacb0\uc808\ud615&quot; \ub610\ub294 \uad6c\ud615 \ud751\uc5f0\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc9d5\uc740 \uc0c1\ub2f9\ud55c \uc778\uc7a5 \uac15\ub3c4\uc640 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. <strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \ub0b4\uad6c\uc131\uc5d0 \ub300\ud55c \ud604\ub300\uc801\uc778 \uae30\uc900.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798 \ud45c\ub294 \uc8fc\uc694 \ud2b9\uc9d5\ub4e4\uc744 \ube44\uad50\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\ud2b9\uc9d5<\/strong><\/td><td><strong>\uc8fc\ucca0 (ASTM A126)<\/strong><\/td><td><strong>\uc5f0\uc131 \uc8fc\ucca0(ASTM A536)<\/strong><\/td><\/tr><tr><td>\ub0b4\uad6c\uc131<\/td><td>\ubd80\uc11c\uc9c0\uae30 \uc27d\uace0, \uac08\ub77c\uc9c0\uae30 \uc27d\ub2e4<\/td><td>\uacac\uace0\ud558\uace0 \ucda9\uaca9 \uc800\ud56d\uc131\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc778\uc7a5 \uac15\ub3c4<\/td><td>\ub354 \ub0ae\uc740 \uc555\ub825(~31,000 psi)<\/td><td>\ud6e8\uc52c \ub354 \ub192\uc74c(~60,000psi \uc774\uc0c1)<\/td><\/tr><tr><td>\uace0\uc7a5 \ubaa8\ub4dc<\/td><td>\uc0b0\uc0b0\uc870\uac01 (\ud30c\uad34\uc801)<\/td><td>\ub204\uc218 \ub610\ub294 \ubcc0\ud615 (\uad00\ub9ac \uac00\ub2a5)<\/td><\/tr><tr><td>\ud45c\uc900 \uc0ac\uc6a9<\/td><td>\uc800\uc555 \uc2e4\ub0b4 \ub0c9\ub09c\ubc29 \uc2dc\uc2a4\ud15c<\/td><td>\uace0\uc555 \uc9c0\ud558 \uc2dc\ub9bd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\ucca0(CI)\uc740 \ucd08\uae30 \uad6c\ub9e4 \uac00\uaca9\uc774 10~20% \ub354 \ub0ae\uc9c0\ub9cc, \uc5f0\uc131 \uc8fc\ucca0(DI)\uc740 \ud504\ub85c\uc81d\ud2b8 \uc218\uba85 \ub3d9\uc548 \ub354 \ub098\uc740 \ud22c\uc790 \uc218\uc775\ub960(ROI)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc5f0\uc131 \uc8fc\ucca0\uc740 \uc704\ud5d8\uc744 \ub0ae\ucd94\uace0 \uc218\uba85\uc774 \ub354 \uae38\uba70, \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. <strong>AWWA C504 \ud45c\uc900<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\uc758 \uae30\uc220\uc801 \uae30\ucd08<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ubc38\ube0c\uc758 \ub0b4\uad6c\uc131\uc744 \ub4b7\ubc1b\uce68\ud558\ub294 \uae30\uc220\uc801 \uae30\ubc18\uc744 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \ubc38\ube0c\uc758 \uae30\uacc4\uc801 \uc124\uacc4\uac00 \uace0\uc555\uc744 \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \ud2b9\uc218 \ucf54\ud305\uc774 \uac00\ud639\ud55c \ud658\uacbd\uc5d0\uc11c \ub9c8\ubaa8\ub97c \uc5b4\ub5bb\uac8c \ubc29\uc9c0\ud558\ub294\uc9c0 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\uacc4\uc801 \ubb34\uacb0\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc38\ube0c\uc758 \uc218\uba85\uc744 \uace0\ub824\ud560 \ub54c, ERP(\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1, \ubcf5\uad6c \ubc0f \uc720\uc9c0\ubcf4\uc218 \uacc4\ud68d) \ub2f4\ub2f9\uc790\ub294 \uc0ac\uc591\uc5d0 \ub530\ub978 \uae30\uacc4\uc801 \ubb34\uacb0\uc131\uc744 \uc0b4\ud3b4\ubd10\uc57c \ud569\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ko\/manufacturing\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c \uc81c\uc870\uc5c5\uccb4<\/strong><\/a> ASTM A536 Grade 65-45-12 \ud45c\uc900 \uc900\uc218\ub97c \ucd5c\uc6b0\uc120\uc73c\ub85c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc7ac\ub8cc\ub294 \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4 65,000psi, \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4 45,000psi\ub97c \ucda9\uc871\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\ubc18 \ubcc0\ub3d9\uc774\ub098 \uc5f4\ud33d\ucc3d\uc744 \uacaa\ub294 \ub3c4\uc2dc \uc0c1\uc218\ub3c4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c DI \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \uace0\uc7a5 \ub098\uae30 \uc804\uc5d0 \ubcc0\ud615\ub429\ub2c8\ub2e4. \uc774\ub294 \uc2dc\uc2a4\ud15c \uc804\uccb4\uc758 \uc555\ub825 \uc800\ud558\ub97c \ubc29\uc9c0\ud558\ub294 \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.tgvalve.com\/ko\/blog\/butterfly-valve\/butterfly-valve-pressure-rating-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\uc555\ub825 \ub4f1\uae09<\/a> \ubc0f \ucf54\ud305 \uc131\ub2a5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\uc131 \uc8fc\ucca0\uc740 250B\uae09 \uc124\ube44\uc5d0 \ucd5c\uc801\ud654\ub41c \uc555\ub825 \ub300\ube44 \uc911\ub7c9\ube44\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc8fc\ucca0\uc744 \uc0ac\uc6a9\ud558\ub824\uba74 \ub9e4\uc6b0 \ub450\uaecd\uace0 \ubb34\uac70\uc6b4 \ubcbd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc6a9\uc735 \uc811\ud569 \ubc29\uc2dd\uc740 <strong>\uc5d0\ud3ed\uc2dc \ucf54\ud305 <\/strong>\uc5f0\uc131 \uc8fc\ucca0\uc5d0 \ud6e8\uc52c \ub354 \uc798 \ub2ec\ub77c\ubd99\uc2b5\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubcf4\ud638\uce35\uc740 \ub0b4\ubd80 &quot;\uacb0\uc808 \ud615\uc131&quot;, \uc989 \ub179 \ub369\uc5b4\ub9ac\uac00 \uc313\uc774\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub179 \ub369\uc5b4\ub9ac\uac00 \uc313\uc774\uba74 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ub9c8\ucc30\uc774 \uc99d\uac00\ud558\uace0 \ud38c\ud551 \ube44\uc6a9\uc774 \ub298\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\ud788\uc5b4\ub85c \uc81c\ud488 \ud558\uc774\ub77c\uc774\ud2b8<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: 'Poppins', Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n      white-space: pre-line;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tgvalve.com\/ko\/product\/concentric-butterfly-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/06\/Concentric-Butterfly-Valve-800x800.webp\" alt=\"\ub3d9\uc2ec \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ub3d9\uc2ec \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/div>\n    <div class=\"hero-description\">\n\uc5f0\uacb0 \ud615\ud0dc: \ud50c\ub79c\uc9c0 \ubaa8\ub378 \ubc88\ud638: D341X \uacf5\uce6d \uc9c1\uacbd: 2\u2033 \u2013 64\u2033 \ubcf8\uccb4: \ud0c4\uc18c\uac15, \uc8fc\uac15, \ub2e8\uc870\uac15, SS304, SS316, \uc54c\ub8e8\ubbf8\ub284 \uccad\ub3d9, \uc5f0\uc131 \uc8fc\ucca0 \uc2dc\ud2b8: NBR, PTFE\n    <\/div>\n    <span class=\"hero-link\">\uc81c\ud488 \ubcf4\uae30<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6b4\uc601 \ud6a8\uc728\uc131 \ud5a5\uc0c1\uc744 \uc704\ud55c \uc804\ub7b5\uc801 \uc124\uce58<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ub3c4\uc2dc \uc0c1\uc218\ub3c4 \uc0ac\uc5c5\uc5d0\uc11c \ubc38\ube0c \uc124\uce58\uc640 \uad00\ub828\ub41c \uc0ac\uc591\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc694\uc18c\ub4e4\uc740 \uac12\ube44\uc2fc \uc720\uc9c0\ubcf4\uc218 \ube44\uc6a9\uacfc \ubd88\ubbf8\uc2a4\ub7ec\uc6b4 \uc0ac\uace0\ub97c \uc904\uc774\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc7ac\ub8cc \uc120\ud0dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc790\uc7ac \uc120\ud0dd\uc740 \uc8fc\ubcc0 \ud658\uacbd\uacfc \uc870\ud654\ub97c \uc774\ub8e8\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc9c0\ud558 \uad6c\uc870\ubb3c\uc758 \uacbd\uc6b0 <strong>\uae09\uc218 \ubc38\ube0c, <\/strong>\uc9c0\ubc18 \ubcc0\ub3d9\uc774 \ubc1c\uc0dd\ud574\ub3c4 \uade0\uc5f4\uc774 \uc0dd\uae30\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uc5f0\uc131 \uc8fc\ucca0\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae09\uc218 \ud38c\ud504\uc7a5 \ub0b4\ubd80\uc5d0\uc11c\ub294 \uc9c0\uc18d\uc801\uc778 \ud38c\ud551 \uc9c4\ub3d9\uc5d0\ub3c4 \uace0\uc7a5 \uc5c6\uc774 \uacac\ub51c \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub354 \uc548\uc804\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc124\uce58 \ubb3c\ub958<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc228\uaca8\uc9c4 \ube44\uc6a9 <strong>\uc8fc\ucca0 \uc6e8\uc774\ud37c \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \uc9c0\ud558\uc5d0 \uc124\uce58\ud558\uae30\ub3c4 \uc804\uc5d0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uae08\uc18d\uc774 \ub9e4\uc6b0 \ucde8\uc57d\ud558\uae30 \ub54c\ubb38\uc5d0 \ubc30\uc1a1\uc774\ub098 \ucde8\uae09 \uacfc\uc815\uc5d0\uc11c \uc27d\uac8c \uade0\uc5f4\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\uc8fc \uc791\uc740 \uade0\uc5f4\uc774\ub77c\ub3c4 \ubc38\ube0c\uc758 \uc555\ub825 \ud14c\uc2a4\ud2b8 \ubd88\ud569\uaca9\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uac12\ube44\uc2fc \uc9c0\uc5f0\uacfc \uad50\uccb4 \ube44\uc6a9\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 \ubc38\ube0c \uc81c\uc791\uc5d0 \uc788\uc5b4 \uc8fc\ucca0\uacfc \uc5f0\uc131 \uc8fc\ucca0\uc758 \ucc28\uc774\uc810\uc744 \uc694\uc57d\ud55c \ub0b4\uc6a9\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\ub2e8\uacc4<\/strong><\/td><td><strong>\uc8fc\ucca0(CI)<\/strong><\/td><td><strong>\uc5f0\uc131 \uc8fc\ucca0(DI)<\/strong><\/td><\/tr><tr><td>0\ub144\ucc28: \uc790\ubcf8 \uc9c0\ucd9c<\/td><td>15% \ucd08\uae30 \ube44\uc6a9 \uc808\uac10<\/td><td>\ud45c\uc900 \uc2dc\uc7a5 \uac00\uaca9<\/td><\/tr><tr><td>1~10\ub144\ucc28: \uc720\uc9c0\ubcf4\uc218<\/td><td>\uc7a6\uc740 \uc530 \uac80\uc0ac<\/td><td>\ucd5c\uc18c\ud55c\uc758 \uac1c\uc785<\/td><\/tr><tr><td>15~30\uc138: \uc704\ud5d8<\/td><td>\ucde8\uc131\uace8\uc808 \uc704\ud5d8\uc774 \ub192\uc74c<\/td><td>\ub192\uc740 \uc548\uc815\uc131; \ud53c\ub85c\uac10 \uc5c6\uc74c<\/td><\/tr><tr><td>50\ub144\ucc28: \ucd1d\uc18c\uc720\ube44\uc6a9(TCO)<\/td><td>\ucd08\uae30 \ud22c\uc790\uae08\uc758 2.5\ubc30<\/td><td>\ucd08\uae30 \ud22c\uc790\uae08\uc758 1.1\ubc30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">50\ub144 \ud604\uae08 \ud750\ub984 \ubd84\uc11d\uc5d0 \ub530\ub974\uba74 DI \ubc38\ube0c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\uc9c0\ubcf4\uc218 \uc778\ub825 \uc2dc\uac04\uc744 40% \ub354 \uc801\uac8c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. <strong>\uae09\uc218 \ubc38\ube0c<\/strong>, \uc77c\ubc18\uc801\uc73c\ub85c \uae34\uae09 \uc218\ub9ac \ud55c \uac74\uc758 \ube44\uc6a9\uc774 \uc0c8 \ubc38\ube0c 10\uac1c\uc758 \ucd1d \uac00\uaca9\uc744 \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc38\ube0c\uc758 \ub0b4\uad6c\uc131\uacfc \uace0\uc7a5 \ube44\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3c4\uc2dc \uc0c1\uc218\ub3c4 \uc0ac\uc5c5\uc5d0\uc11c, <strong>\uae09\uc218 \ubc38\ube0c<\/strong> \uc2dc\uc2a4\ud15c \uc2a4\ud2b8\ub808\uc2a4 \uc0c1\ud669\uc5d0\uc11c\uc758 \uc131\ub2a5\uc73c\ub85c \uce21\uc815\ub429\ub2c8\ub2e4. \uaddc\uc815 \uc900\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong><a href=\"https:\/\/www.tgvalve.com\/ko\/blog\/butterfly-valve\/butterfly-valve-standards-overview\/\" target=\"_blank\" rel=\"noreferrer noopener\">AWWA C504<\/a> <\/strong>\uc774 \ud45c\uc900\uc740 \ubc38\ube0c\uac00 \uac15\ub825\ud55c \uc720\uc555\ub825\uc744 \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc74c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc218\uaca9\ud30c \ubc0f \ucda9\uaca9\ud30c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3c4\uc2dc \uc0c1\uc218\ub3c4\uad00\uc5d0\uc11c\ub294 \uc885\uc885 &quot;\uc218\uaca9 \ud604\uc0c1&quot;\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \ud38c\ud504\uac00 \uac11\uc790\uae30 \uba48\ucd94\uac70\ub098 \ubc38\ube0c\uac00 \ub2eb\ud790 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. <strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \uc774 \uc18c\uc7ac\ub294 \uace0\uc720\uc758 \ud0c4\uc131\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \uc5d0\ub108\uc9c0 \uae09\uc99d\uc744 \ud761\uc218\ud569\ub2c8\ub2e4. \ubc18\uba74, \uc8fc\ucca0\uc740 \ucda9\uaca9 \ud558\uc911\uc73c\ub85c \uc778\ud574 \ud30c\uc190\ub420 \uc218 \uc788\uc73c\uba70, \uc608\uae30\uce58 \uc54a\uc740 \uac00\ub3d9 \uc911\ub2e8 \uc704\ud5d8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2e4\ud328\uc758 \ube44\uc6a9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\uc0c1 \ub3d9\uc6d0 \ubc0f \uaddc\uc81c \ubc8c\uae08\uc740 \uc2e4\ud328\ub85c \uc778\ud55c \ube44\uc6a9\uc5d0 \ud3ec\ud568\ub418\uc9c0\ub9cc, \uc791\uc740 \uade0\uc5f4\ub85c \uc778\ud55c \ud3c9\ud310 \uc190\uc0c1\uacfc &#039;\uc218\uc775\uc131 \uc5c6\ub294 \ubb3c&#039; \uc190\uc2e4\uacfc \uac19\uc740 \uac04\uc811 \ube44\uc6a9 \ub610\ud55c \ucd94\uac00 \ube44\uc6a9\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c \uc81c\uc870\uc5c5\uccb4 <\/strong>&nbsp;\uc790\uc7ac \ud45c\uc900\ud654\ub97c \ubcf4\uc7a5\ud558\uace0 \ucc45\uc784 \ubc0f \ube44\uc6a9\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc778\uc99d\ub41c \uc2dc\ud5d8 \ubcf4\uace0\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">EPC \uad6c\ub9e4\uc790\ub97c \uc704\ud55c \uad8c\uc7a5 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EPC \uad6c\ub9e4\uc5c5\uccb4\ub294 \ubaa8\ub4e0 \uc1a1\uc804 \uc8fc\uad00\uc5d0 \uc5f0\uc131 \uc8fc\ucca0\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \uacf5\uae09\uc5c5\uccb4\uac00 ASTM A536 \uaddc\uaca9 \uc900\uc218\ub97c \ud655\uc778\ud558\ub294 \uc7ac\ub8cc \uc2dc\ud5d8 \ubcf4\uace0\uc11c(MTR)\ub97c \uc81c\uacf5\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \uc800\uac00 \uc785\ucc30 \uc0c1\ud669\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 &quot;\uc7ac\ub8cc \ub300\uccb4 \uc0ac\uae30&quot;\ub97c \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \uc778\ud504\ub77c\ub294 \uc608\uce21 \uc720\uc9c0\ubcf4\uc218\ub97c \uc704\ud574 \uc13c\uc11c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc548\uc815\uc131\uc740 <strong>\uc5f0\uc131 \uc8fc\ucca0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c<\/strong> \uc774\ub97c \ud1b5\ud574 \uc561\ucd94\uc5d0\uc774\ud130\uc640 \uc13c\uc11c\uac00 \uc218\uc2ed \ub144 \ub3d9\uc548\uc5d0\ub3c4 \uc815\ud655\ud55c \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc131\ub2a5 \uc800\ud558\ub97c \ubcf4\uc774\ub294 \uc7a5\uce58\ub97c \uc815\uae30\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uac83\ubcf4\ub2e4 \ud6e8\uc52c \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4. <strong>\uc8fc\ucca0 \uc6e8\uc774\ud37c \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798 \uad00\ub9ac\ub41c \uc0c1\ud0dc\uc5d0\uc11c \uc801\uc6a9\ub418\ub294 \uc5f0\uc131 \uc8fc\ucca0 <strong>\uc5d0\ud3ed\uc2dc \ucf54\ud305,<\/strong> \ucd1d \uc18c\uc720 \ube44\uc6a9\uc744 \uace0\ub824\ud560 \ub54c, \uc774\ub294 \ud604\ub300 \ub3c4\uc2dc \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc788\uc5b4 \uc2e4\uc6a9\uc801\uc778 \uc120\ud0dd\uc785\ub2c8\ub2e4. &quot;\ucd5c\uc800 \uc785\ucc30\uac00&quot;\uc5d0\uc11c &quot;\ucd5c\uc800 \uc0dd\uc560\uc8fc\uae30 \ube44\uc6a9&quot;\uc73c\ub85c \uc804\ud658\ud558\ub294 \uac83\uc740 \uc9c0\uc18d \uac00\ub2a5\ud55c \uc0c1\uc218\ub3c4 \uc778\ud504\ub77c \uc2dc\uc2a4\ud15c \uad6c\ucd95\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uacfc\ub3c4\ud55c \uc218\ub9ac \ube44\uc6a9\uacfc \ucc45\uc784 \ubd80\ub2f4 \uc5c6\uc774 \uacf5\uacf5 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uba85\uc774 \uae38\uc218\ub85d \ud0c4\uc18c \ubc1c\uc790\uad6d\ub3c4 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. 20\ub144 \uc218\uba85\uc758 \ubc38\ube0c \ub300\uc2e0 50\ub144 \uc218\uba85\uc758 \ubc38\ube0c\ub97c \uc120\ud0dd\ud558\uba74 \ud504\ub85c\uc81d\ud2b8\uc758 \ud0c4\uc18c \ubc1c\uc790\uad6d\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub0b4\uad6c\uc131\uc740 \ubb34\uac70\uc6b4 \uad50\uccb4 \uc7a5\ube44\uc758 \uc81c\uc870, \uc81c\ub828 \ubc0f \uc6b4\uc1a1\uacfc \uad00\ub828\ub41c \ud658\uacbd \uc601\ud5a5\uc744 \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-cyan-blue-background-color has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/ko\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\ubb34\ub8cc \uacac\uc801 \ubc1b\uae30<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \ub9e4\uc124 \uc218\ub3c4\uad00\uc5d0 \uc8fc\ucca0\ubcf4\ub2e4 \uc5f0\uc131 \uc8fc\ucca0\uc744 \uc120\ud638\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\uc131 \uc8fc\ucca0\uc758 &quot;\uad6c\uc0c1&quot; \uad6c\uc870\ub294 \ud30c\uc190 \uc5c6\uc774 \uad6c\ubd80\ub7ec\uc9c8 \uc218 \uc788\ub3c4\ub85d \ud574\uc90d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud0c4\uc131\uc740 \uc9c0\ubc18 \ubcc0\ub3d9\uc774\ub098 \uad50\ud1b5\ub7c9\uc774 \ub9ce\uc740 \uc9c0\ud558 \ubd80\ud488\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uc720\uc5f0\uc131 \ub355\ubd84\uc5d0 \uc8fc\ucca0 \ubc38\ube0c\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ucde8\uc131 \uade0\uc5f4\uacfc \uce58\uba85\uc801\uc778 \ud30c\uc190\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \uc5d0\ud3ed\uc2dc \ucf54\ud305\uc740 \uae09\uc218 \ubc38\ube0c\uc758 \uc218\uba85\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\uae4c?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ud488\uc9c8 <strong>\uc5d0\ud3ed\uc2dc \ucf54\ud305<\/strong> \ubd80\uc2dd \ubc0f \uacb0\uc11d \ud615\uc131\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \ub9e4\ub044\ub7ec\uc6b4 \ub0b4\ubd80 \ud45c\uba74\uc740 \ub9c8\ucc30 \uc190\uc2e4\uc744 \uc904\uc774\uace0 \ud38c\ud551 \uc5d0\ub108\uc9c0 \ube44\uc6a9\uc744 \ub0ae\ucda5\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c \ubc38\ube0c\uc758 \uc218\uba85\uc774 \uc5f0\uc7a5\ub418\uc5b4 \ub3c4\uc2dc \ud658\uacbd\uc5d0\uc11c 50\ub144 \uc774\uc0c1 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. AWWA C504 \ud45c\uc900\uc740 \ub450 \uc7ac\ub8cc \ubaa8\ub450\uc5d0 \uc801\uc6a9 \uac00\ub2a5\ud55c\uac00\uc694?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud45c\uc900\uc740 \ub450 \uac00\uc9c0 \ubaa8\ub450\ub97c \ud3ec\uad04\ud558\uba70 \uc5c4\uaca9\ud55c \uc131\ub2a5 \uae30\uc900\uc744 \uc124\uc815\ud569\ub2c8\ub2e4. \uc5f0\uc131 \uc8fc\ucca0\uc740 \uace0\uc555 \ubc0f \uc124\uacc4 \uac80\uc99d \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc7a5\uae30\uc801\uc778 \uc2e0\ub8b0\uc131\uacfc \uaddc\uc815 \uc900\uc218\ub97c \uc911\uc2dc\ud558\ub294 EPC \uad6c\ub9e4\uc790\uc5d0\uac8c \uad8c\uc7a5\ub418\ub294 \uc18c\uc7ac\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing between a ductile iron butterfly valve and a cast iron butterfly valve is an important decision in municipal water infrastructure.\u00a0 For EPC (Engineering, Procurement, and<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-1979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparison"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/posts\/1979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/comments?post=1979"}],"version-history":[{"count":1,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/posts\/1979\/revisions"}],"predecessor-version":[{"id":1981,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/posts\/1979\/revisions\/1981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/media\/1980"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/media?parent=1979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/categories?post=1979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ko\/wp-json\/wp\/v2\/tags?post=1979"}],"curies":[{"name":"\uc6cc\ub4dc\ud504\ub808\uc2a4","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}