{"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\/ja\/blog\/butterfly-valve\/comparison\/ductile-iron-vs-cast-iron-butterfly-valve-lcc\/","title":{"rendered":"\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u3068\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6bd4\u8f03\uff1a\u90fd\u5e02\u6c34\u9053\u30a4\u30f3\u30d5\u30e9\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30b3\u30b9\u30c8\u5206\u6790"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u304b\u3092\u9078\u629e\u3059\u308b <a href=\"https:\/\/www.tgvalve.com\/ja\/butterfly-valve-manufacturer-in-china\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong><\/a> \u305d\u3057\u3066 <strong>\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u81ea\u6cbb\u4f53\u306e\u6c34\u9053\u30a4\u30f3\u30d5\u30e9\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u6c7a\u5b9a\u3067\u3059\u3002.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EPC\uff08\u8a2d\u8a08\u30fb\u8abf\u9054\u30fb\u5efa\u8a2d\uff09\u30d0\u30a4\u30e4\u30fc\u306b\u3068\u3063\u3066\u3001\u5b89\u4fa1\u306a\u8cc7\u6750\u306f\u3057\u3070\u3057\u3070\u300c\u6280\u8853\u7684\u8ca0\u50b5\u300d\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u8ca0\u50b5\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e50\u5e74\u9593\u306e\u5bff\u547d\u3092\u901a\u3058\u3066\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u904b\u7528\u30b3\u30b9\u30c8\u306e\u5927\u5e45\u306a\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4e\u30b3\u30b9\u30c8\u3092\u9078\u629e\u3059\u308b <strong>\u92f3\u9244\u30a6\u30a8\u30cf\u30fc\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u56db\u534a\u671f\u4e88\u7b97\u306f\u9054\u6210\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u5f8c\u534a\u3067OPEX\uff08\u904b\u55b6\u8cbb\uff09\u304c\u6025\u5897\u3059\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u7dcf\u6240\u6709\u30b3\u30b9\u30c8 (TCO) \u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u9577\u671f\u7684\u306a\u5b89\u5b9a\u6027\u3068\u30ea\u30b9\u30af\u8efd\u6e1b\u306e\u89b3\u70b9\u304b\u3089\u95a2\u4fc2\u8005\u304c\u6750\u6599\u306e\u9078\u629e\u3092\u6b63\u5f53\u5316\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6750\u6599\u69cb\u6210<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6750\u6599\u306e\u30b3\u30b9\u30c8\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u305d\u308c\u304c\u4f55\u304b\u3089\u4f5c\u3089\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u92f3\u9244\u307e\u305f\u306f\u306d\u305a\u307f\u92f3\u9244\uff08ASTM A126\uff09\uff1a<\/strong> \u9577\u5e74\u306b\u308f\u305f\u308a\u7523\u696d\u7528\u9014\u3067\u4f7f\u7528\u3055\u308c\u3001\u4f4e\u30b3\u30b9\u30c8\u3067\u3042\u308b\u3053\u3068\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u6b20\u70b9\u306f\u3001\u8584\u7247\u72b6\u306e\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u69cb\u9020\u306b\u8d77\u56e0\u3059\u308b\u3001\u672c\u8cea\u7684\u306b\u8106\u3044\u3053\u3068\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff08ASTM A536\uff09\uff1a<\/strong> \u7403\u72b6\u9ed2\u925b\u3092\u7279\u5fb4\u3068\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u512a\u308c\u305f\u5f15\u5f35\u5f37\u5ea6\u3068\u67d4\u8edf\u6027\u304c\u5f97\u3089\u308c\u3001 <strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u8010\u4e45\u6027\u306e\u73fe\u4ee3\u57fa\u6e96\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306b\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u6bd4\u8f03\u3057\u305f\u8868\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u7279\u5fb4<\/strong><\/td><td><strong>\u92f3\u9244\uff08ASTM A126\uff09<\/strong><\/td><td><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff08ASTM A536\uff09<\/strong><\/td><\/tr><tr><td>\u8010\u4e45\u6027<\/td><td>\u8106\u3044; \u5272\u308c\u3084\u3059\u3044<\/td><td>\u4e08\u592b\u3067\u8010\u885d\u6483\u6027\u306b\u512a\u308c\u3066\u3044\u308b<\/td><\/tr><tr><td>\u6297\u5f35\u529b<\/td><td>\u4e0b\u9650\uff08\u7d0431,000 psi\uff09<\/td><td>\u306f\u308b\u304b\u306b\u9ad8\u3044\uff08\u7d0460,000 psi\u4ee5\u4e0a\uff09<\/td><\/tr><tr><td>\u6545\u969c\u30e2\u30fc\u30c9<\/td><td>\u7c89\u7815\uff08\u58ca\u6ec5\u7684\uff09<\/td><td>\u6f0f\u308c\u3084\u5909\u5f62\uff08\u7ba1\u7406\u53ef\u80fd\uff09<\/td><\/tr><tr><td>\u6a19\u6e96\u4f7f\u7528<\/td><td>\u4f4e\u5727\u5c4b\u5185HVAC<\/td><td>\u9ad8\u5727\u5730\u4e0b\u5e02\u55b6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u92f3\u9244\uff08CI\uff09\u306f\u521d\u671f\u8cfc\u5165\u4fa1\u683c\u304c10\uff5e20%\u4f4e\u3044\u306e\u306b\u5bfe\u3057\u3001\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff08DI\uff09\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5bff\u547d\u5168\u4f53\u3092\u901a\u3057\u3066\u512a\u308c\u305f\u6295\u8cc7\u53ce\u76ca\u7387\uff08ROI\uff09\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002DI\u306f\u3001\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u3067\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3001\u3088\u308a\u9577\u304f\u6301\u7d9a\u3057\u307e\u3059\u3002 <strong>AWWA C504\u898f\u683c<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6280\u8853\u7684\u57fa\u790e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30d0\u30eb\u30d6\u306e\u8010\u4e45\u6027\u3092\u652f\u3048\u308b\u6280\u8853\u7684\u57fa\u76e4\u306b\u3064\u3044\u3066\u8003\u5bdf\u3057\u307e\u3059\u3002\u6a5f\u68b0\u8a2d\u8a08\u304c\u3069\u306e\u3088\u3046\u306b\u9ad8\u5727\u306b\u8010\u3048\u308b\u304b\u3001\u305d\u3057\u3066\u7279\u6b8a\u306a\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u904e\u9177\u306a\u74b0\u5883\u4e0b\u3067\u3069\u306e\u3088\u3046\u306b\u6469\u8017\u3092\u9632\u3050\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a5f\u68b0\u7684\u5b8c\u5168\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30eb\u30d6\u306e\u5bff\u547d\u3092\u8003\u616e\u3059\u308b\u5834\u5408\u3001ERP \u306f\u4ed5\u69d8\u306b\u57fa\u3065\u3044\u3066\u6a5f\u68b0\u7684\u306a\u5b8c\u5168\u6027\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ja\/manufacturing\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u30e1\u30fc\u30ab\u30fc<\/strong><\/a> ASTM A536\u30b0\u30ec\u30fc\u30c965-45-12\u898f\u683c\u3078\u306e\u6e96\u62e0\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u3053\u306e\u6750\u6599\u306e\u6700\u5c0f\u898f\u5b9a\u5f15\u5f35\u5f37\u5ea6\u306f65,000 psi\u3001\u6700\u5c0f\u964d\u4f0f\u5f37\u5ea6\u306f45,000 psi\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u76e4\u5909\u52d5\u3084\u71b1\u81a8\u5f35\u3092\u7d4c\u9a13\u3059\u308b\u90fd\u5e02\u7d66\u6c34\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001DI\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306f\u6545\u969c\u3059\u308b\u524d\u306b\u5909\u5f62\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u6e1b\u5727\u3092\u9632\u3050\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.tgvalve.com\/ja\/blog\/butterfly-valve\/butterfly-valve-pressure-rating-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5727\u529b\u5b9a\u683c<\/a> \u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u6027\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306e\u5727\u529b\u5bfe\u91cd\u91cf\u6bd4\u306f250B\u30af\u30e9\u30b9\u306e\u8a2d\u5099\u306b\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u92f3\u9244\u3067\u306f\u975e\u5e38\u306b\u539a\u304f\u91cd\u3044\u58c1\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6eb6\u878d\u63a5\u5408\u3055\u308c\u305f <strong>\u30a8\u30dd\u30ad\u30b7\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0 <\/strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306b\u975e\u5e38\u306b\u3088\u304f\u63a5\u7740\u3057\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4fdd\u8b77\u5c64\u306f\u3001\u5185\u90e8\u306e\u300c\u7d50\u7bc0\u5f62\u6210\u300d\uff08\u9306\u3073\u584a\u306e\u84c4\u7a4d\u3068\u3082\u547c\u3070\u308c\u308b\uff09\u3092\u9632\u3050\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u7d50\u7bc0\u5f62\u6210\u306f\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u6469\u64e6\u3068\u30dd\u30f3\u30d7\u30b3\u30b9\u30c8\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u30d2\u30fc\u30ed\u30fc\u88fd\u54c1\u306e\u30cf\u30a4\u30e9\u30a4\u30c8<\/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\/ja\/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=\"\u540c\u5fc3\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u540c\u5fc3\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/div>\n    <div class=\"hero-description\">\n\u63a5\u7d9a\u5f62\u5f0f: \u30d5\u30e9\u30f3\u30b8 \u30e2\u30c7\u30eb\u756a\u53f7: D341X \u547c\u3073\u5f84: 2\u2033 \u2013 64\u2033 \u672c\u4f53: \u70ad\u7d20\u92fc\u3001\u92f3\u92fc\u3001\u935b\u92fc\u3001SS304\u3001SS316\u3001\u30a2\u30eb\u30df\u9752\u9285\u3001\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244 \u30b7\u30fc\u30c8: NBR\u3001PTFE\n    <\/div>\n    <span class=\"hero-link\">\u88fd\u54c1\u3092\u898b\u308b<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">\u904b\u7528\u52b9\u7387\u3092\u9ad8\u3081\u308b\u6226\u7565\u7684\u5c0e\u5165<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5e02\u55b6\u6c34\u9053\u4e8b\u696d\u306b\u304a\u3051\u308b\u30d0\u30eb\u30d6\u306e\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u4ed5\u69d8\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u306f\u3001\u9ad8\u984d\u306a\u4fdd\u5b88\u8cbb\u7528\u3068\u4e88\u671f\u305b\u306c\u4e8b\u6545\u306e\u524a\u6e1b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6750\u6599\u306e\u9078\u629e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6750\u6599\u306e\u9078\u629e\u306f\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5730\u4e0b\u306e <strong>\u7d66\u6c34\u30d0\u30eb\u30d6\u3001, <\/strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306f\u3001\u5730\u76e4\u304c\u52d5\u3044\u3066\u3082\u5272\u308c\u306a\u3044\u306e\u3067\u304a\u52e7\u3081\u3067\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c34\u30dd\u30f3\u30d7\u5834\u5185\u3067\u306f\u3001\u30dd\u30f3\u30d7\u306e\u7d99\u7d9a\u7684\u306a\u632f\u52d5\u306b\u3082\u58ca\u308c\u308b\u3053\u3068\u306a\u304f\u8010\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u3088\u308a\u5b89\u5168\u306a\u9078\u629e\u80a2\u3067\u3082\u3042\u308a\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u7f6e\u30ed\u30b8\u30b9\u30c6\u30a3\u30af\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u96a0\u308c\u305f\u30b3\u30b9\u30c8\u300d <strong>\u92f3\u9244\u30a6\u30a8\u30cf\u30fc\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u5730\u4e2d\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u524d\u306b\u767a\u898b\u3055\u308c\u308b\u3053\u3068\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u91d1\u5c5e\u306f\u975e\u5e38\u306b\u8106\u3044\u305f\u3081\u3001\u8f38\u9001\u4e2d\u3084\u53d6\u308a\u6271\u3044\u4e2d\u306b\u7c21\u5358\u306b\u5272\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c0f\u3055\u306a\u4e80\u88c2\u304c\u539f\u56e0\u3067\u30d0\u30eb\u30d6\u304c\u5727\u529b\u8a66\u9a13\u306b\u4e0d\u5408\u683c\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u9045\u5ef6\u3084\u4ea4\u63db\u8cbb\u7528\u3068\u3044\u3063\u305f\u9ad8\u984d\u306a\u8cbb\u7528\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u3001\u30d0\u30eb\u30d6\u306b\u95a2\u3059\u308b\u92f3\u9244\u3068\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306e\u6bd4\u8f03\u306e\u6982\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u6bb5\u968e<\/strong><\/td><td><strong>\u92f3\u9244\uff08CI\uff09<\/strong><\/td><td><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff08DI\uff09<\/strong><\/td><\/tr><tr><td>0\u5e74\u76ee: \u8a2d\u5099\u6295\u8cc7<\/td><td>15% \u521d\u671f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044<\/td><td>\u6a19\u6e96\u7684\u306a\u5e02\u5834\u4fa1\u683c<\/td><\/tr><tr><td>1\u5e74\u76ee\uff5e10\u5e74\u76ee: \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/td><td>\u983b\u7e41\u306a\u30b7\u30fc\u30eb\u691c\u67fb<\/td><td>\u6700\u5c0f\u9650\u306e\u4ecb\u5165<\/td><\/tr><tr><td>15\uff5e30\u5e74\u76ee: \u30ea\u30b9\u30af<\/td><td>\u8106\u6027\u7834\u58ca\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u3044<\/td><td>\u9ad8\u3044\u5b89\u5b9a\u6027\u3001\u75b2\u52b4\u306a\u3057<\/td><\/tr><tr><td>50\u5e74\u76ee: TCO<\/td><td>\u521d\u671f\u6295\u8cc7\u306e2.5\u500d<\/td><td>\u521d\u671f\u6295\u8cc7\u306e1.1\u500d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">50\u5e74\u9593\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ed\u30fc\u5206\u6790\u3067\u306f\u3001DI\u30d0\u30eb\u30d6\u306f\u901a\u5e38\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u5de5\u6570\u304c40%\u5c11\u306a\u304f\u3066\u6e08\u3080\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002 <strong>\u7d66\u6c34\u30d0\u30eb\u30d6<\/strong>, \u901a\u5e38\u3001\u7dca\u6025\u4fee\u7406 1 \u56de\u5206\u306e\u30b3\u30b9\u30c8\u306f\u3001\u65b0\u3057\u3044\u30d0\u30eb\u30d6 10 \u500b\u306e\u5408\u8a08\u91d1\u984d\u3092\u8d85\u3048\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8010\u4e45\u6027\u3068\u30d0\u30eb\u30d6\u6545\u969c\u306e\u30b3\u30b9\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e02\u55b6\u6c34\u9053\u4e8b\u696d\u3067\u306f\u3001 <strong>\u7d66\u6c34\u30d0\u30eb\u30d6<\/strong> \u30b7\u30b9\u30c6\u30e0\u30b9\u30c8\u30ec\u30b9\u6642\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3088\u3063\u3066\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002 <strong><a href=\"https:\/\/www.tgvalve.com\/ja\/blog\/butterfly-valve\/butterfly-valve-standards-overview\/\" target=\"_blank\" rel=\"noreferrer noopener\">AWWA C504<\/a> <\/strong>\u3053\u306e\u898f\u683c\u306f\u3001\u30d0\u30eb\u30d6\u304c\u4e0d\u5b89\u5b9a\u306a\u6cb9\u5727\u306b\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a6\u30a9\u30fc\u30bf\u30fc\u30cf\u30f3\u30de\u30fc\u3068\u885d\u6483\u6ce2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c34\u9053\u7ba1\u3067\u306f\u300c\u30a6\u30a9\u30fc\u30bf\u30fc\u30cf\u30f3\u30de\u30fc\u300d\u3068\u547c\u3070\u308c\u308b\u73fe\u8c61\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7a81\u7136\u306e\u30dd\u30f3\u30d7\u306e\u505c\u6b62\u3084\u30d0\u30eb\u30d6\u306e\u9589\u9396\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002 <strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u56fa\u6709\u306e\u5f3e\u6027\u306b\u3088\u308a\u3001\u3053\u308c\u3089\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u30b9\u30d1\u30a4\u30af\u3092\u5438\u53ce\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u885d\u6483\u8377\u91cd\u306f\u92f3\u9244\u88fd\u306e\u30dc\u30c7\u30a3\u3092\u7c89\u7815\u3057\u3001\u4e88\u671f\u305b\u306c\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u306e\u30ea\u30b9\u30af\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u306e\u30b3\u30b9\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dca\u6025\u51fa\u52d5\u3084\u898f\u5236\u306b\u3088\u308b\u7f70\u91d1\u306f\u3001\u6545\u969c\u306b\u4f34\u3046\u30b3\u30b9\u30c8\u306e\u4e00\u90e8\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u5c0f\u3055\u306a\u4e80\u88c2\u306b\u3088\u308b\u9593\u63a5\u7684\u306a\u30b3\u30b9\u30c8\u3001\u3064\u307e\u308a\u8a55\u5224\u306e\u5931\u589c\u3084\u300c\u7121\u53ce\u6c34\u300d\u306e\u55aa\u5931\u3082\u3001\u8cbb\u7528\u306b\u52a0\u7b97\u3055\u308c\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c0\u30af\u30bf\u30a4\u30eb\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u30e1\u30fc\u30ab\u30fc <\/strong>&nbsp;\u6750\u6599\u306e\u6a19\u6e96\u5316\u3068\u8cac\u4efb\u304a\u3088\u3073\u8cbb\u7528\u306b\u5bfe\u3059\u308b\u9632\u5fa1\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u8a8d\u5b9a\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">EPC\u8cfc\u5165\u8005\u3078\u306e\u63a8\u5968\u4e8b\u9805<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EPC\u8cfc\u5165\u8005\u306f\u3001\u3059\u3079\u3066\u306e\u9001\u96fb\u7dda\u7ba1\u306b\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30d9\u30f3\u30c0\u30fc\u304cASTM A536\u3078\u306e\u9069\u5408\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u6750\u6599\u8a66\u9a13\u5831\u544a\u66f8\uff08MTR\uff09\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u4f4e\u4fa1\u683c\u5165\u672d\u3067\u3057\u3070\u3057\u3070\u898b\u3089\u308c\u308b\u300c\u6750\u6599\u4ee3\u66ff\u8a50\u6b3a\u300d\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u4ee3\u306e\u30a4\u30f3\u30d5\u30e9\u3067\u306f\u4e88\u77e5\u4fdd\u5168\u306e\u305f\u3081\u306b\u30bb\u30f3\u30b5\u30fc\u304c\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <strong>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3068\u30bb\u30f3\u30b5\u30fc\u304c\u6570\u5341\u5e74\u306b\u308f\u305f\u3063\u3066\u6b63\u78ba\u306a\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u52a3\u5316\u3057\u305f\u6a5f\u5668\u3092\u5b9a\u671f\u7684\u306b\u76e3\u8996\u3059\u308b\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u3059\u3002 <strong>\u92f3\u9244\u88fd\u30a6\u30a7\u30fc\u30cf\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u3002.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3001\u9069\u5207\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3055\u308c\u305f <strong>\u30a8\u30dd\u30ad\u30b7\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3001,<\/strong> \u7dcf\u6240\u6709\u30b3\u30b9\u30c8\uff08TCO\uff09\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u73fe\u4ee3\u306e\u81ea\u6cbb\u4f53\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3068\u3063\u3066\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u300c\u6700\u4f4e\u5165\u672d\u300d\u304b\u3089\u300c\u6700\u4f4e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30b3\u30b9\u30c8\u300d\u3078\u306e\u8ee2\u63db\u306f\u3001\u6301\u7d9a\u53ef\u80fd\u306a\u6c34\u9053\u30a4\u30f3\u30d5\u30e9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9ad8\u984d\u306a\u4fee\u7406\u8cbb\u3084\u50b5\u52d9\u8ca0\u62c5\u3092\u8ca0\u3046\u3053\u3068\u306a\u304f\u3001\u516c\u5171\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8010\u7528\u5e74\u6570\u304c\u9577\u304f\u306a\u308b\u3068\u3001\u4e8c\u9178\u5316\u70ad\u7d20\u6392\u51fa\u91cf\u3082\u524a\u6e1b\u3055\u308c\u307e\u3059\u300220\u5e74\u3067\u306f\u306a\u304f50\u5e74\u306e\u8010\u7528\u5e74\u6570\u3092\u6301\u3064\u30d0\u30eb\u30d6\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e8c\u9178\u5316\u70ad\u7d20\u6392\u51fa\u91cf\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8010\u4e45\u6027\u306b\u3088\u308a\u3001\u4ea4\u63db\u7528\u5927\u578b\u6a5f\u68b0\u306e\u88fd\u9020\u3001\u88fd\u932c\u3001\u8f38\u9001\u306b\u4f34\u3046\u74b0\u5883\u3078\u306e\u5f71\u97ff\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/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\/ja\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7121\u6599\u898b\u7a4d\u3082\u308a<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u57cb\u8a2d\u6c34\u9053\u7ba1\u306b\u306f\u306a\u305c\u92f3\u9244\u3088\u308a\u3082\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u304c\u597d\u307e\u308c\u308b\u306e\u3067\u3059\u304b?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306e\u300c\u7403\u72b6\u5316\u300d\u69cb\u9020\u306f\u3001\u7834\u640d\u3059\u308b\u3053\u3068\u306a\u304f\u66f2\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5f3e\u529b\u6027\u306f\u3001\u5730\u76e4\u5909\u52d5\u3084\u4ea4\u901a\u91cf\u306e\u591a\u3044\u5730\u4e0b\u69cb\u9020\u7269\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u92f3\u9244\u88fd\u30d0\u30eb\u30d6\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u8106\u6027\u5272\u308c\u3084\u58ca\u6ec5\u7684\u306a\u6545\u969c\u3092\u9632\u6b62\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u30a8\u30dd\u30ad\u30b7\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u7d66\u6c34\u30d0\u30eb\u30d6\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u54c1\u8cea\u306e <strong>\u30a8\u30dd\u30ad\u30b7\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong> \u8150\u98df\u3084\u7d50\u7bc0\u306e\u767a\u751f\u3092\u9632\u304e\u307e\u3059\u3002\u6ed1\u3089\u304b\u306a\u5185\u9762\u306f\u6469\u64e6\u640d\u5931\u3092\u4f4e\u6e1b\u3057\u3001\u30dd\u30f3\u30d7\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30eb\u30d6\u306e\u8010\u7528\u5e74\u6570\u306f\u5ef6\u9577\u3055\u308c\u3001\u5e02\u8857\u5730\u74b0\u5883\u306b\u304a\u3044\u306650\u5e74\u4ee5\u4e0a\u6301\u7d9a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. AWWA C504 \u898f\u683c\u306f\u4e21\u65b9\u306e\u6750\u6599\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u304b?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u898f\u683c\u306f\u4e21\u65b9\u3092\u7db2\u7f85\u3057\u3001\u53b3\u683c\u306a\u6027\u80fd\u57fa\u6e96\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u306f\u9ad8\u5727\u304a\u3088\u3073\u8a2d\u8a08\u691c\u8a3c\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u6c42\u3081\u308bEPC\u8cfc\u5165\u8005\u306b\u3068\u3063\u3066\u63a8\u5968\u3055\u308c\u308b\u6750\u6599\u3067\u3059\u3002.<\/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\/ja\/wp-json\/wp\/v2\/posts\/1979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/comments?post=1979"}],"version-history":[{"count":1,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts\/1979\/revisions"}],"predecessor-version":[{"id":1981,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts\/1979\/revisions\/1981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/media\/1980"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/media?parent=1979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/categories?post=1979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/tags?post=1979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}