{"id":2484,"date":"2026-06-18T10:20:00","date_gmt":"2026-06-18T10:20:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=2484"},"modified":"2026-07-07T07:26:57","modified_gmt":"2026-07-07T07:26:57","slug":"butterfly-valve-leakage-class-explained","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/ja\/blog\/butterfly-valve\/butterfly-valve-leakage-class-explained\/","title":{"rendered":"\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u7b49\u7d1a\u306b\u3064\u3044\u3066\u89e3\u8aac"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ja\/research-development\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u7b49\u7d1a<\/strong><\/a> \u3053\u308c\u306f\u3001\u30d0\u30eb\u30d6\u30b7\u30fc\u30c8\u304c\u5b8c\u5168\u306b\u9589\u3058\u305f\u72b6\u614b\u3067\u8a31\u5bb9\u3055\u308c\u308b\u6700\u5927\u5185\u90e8\u6f0f\u308c\u91cf\u3092\u898f\u5b9a\u3059\u308b\u6a19\u6e96\u5316\u3055\u308c\u305f\u5b9a\u683c\u3067\u3059\u3002ANSI\/FCI 70-2\u3068API 598\u306f\u3001\u7523\u696d\u7528\u30d0\u30eb\u30d6\u306e\u8abf\u9054\u306b\u304a\u3044\u3066\u6700\u3082\u5e83\u304f\u53c2\u7167\u3055\u308c\u3066\u3044\u308b2\u3064\u306e\u898f\u683c\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6f0f\u6d29\u7b49\u7d1a\u306f\u3001\u8a66\u9a13\u6761\u4ef6\u4e0b\u3067\u9589\u3058\u305f\u5f01\u5ea7\u3092\u901a\u904e\u3059\u308b\u6d41\u4f53\u306e\u91cf\u3092\u6e2c\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u5de5\u696d\u898f\u683c\u3067\u306f\u3001\u8a2d\u7f6e\u524d\u306b\u8abf\u9054\u30c1\u30fc\u30e0\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u671f\u5f85\u3059\u308b\u6f0f\u6d29\u7b49\u7d1a\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6f0f\u6d29\u7b49\u7d1a\u306e\u4ed5\u7d44\u307f\u3001\u8edf\u8cea\u30b7\u30fc\u30c8\u5f01\u3068\u91d1\u5c5e\u30b7\u30fc\u30c8\u5f01\u306e\u6027\u80fd\u6bd4\u8f03\u3001\u304a\u3088\u3073\u4f7f\u7528\u6642\u306e\u30b7\u30fc\u30eb\u6027\u80fd\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u7b49\u7d1a\u3092\u5b9a\u7fa9\u3059\u308b2\u3064\u306e\u898f\u683c<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"650\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-1200x650.webp\" alt=\"\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u304c\u696d\u754c\u6a19\u6e96\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u30af\u30e9\u30b9\u3068\u30d0\u30eb\u30d6\u30b7\u30fc\u30c8\u306e\u6f0f\u308c\u3092\u6e2c\u5b9a\u3059\u308b\u8a66\u9a13\u88c5\u7f6e\u306e\u753b\u50cf\u3002\" class=\"wp-image-2512\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-1200x650.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-500x271.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-300x162.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-768x416.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-139x75.webp 139w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-480x260.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards-800x433.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-testing-equipment-measuring-valve-leakage-class-and-valve-seat-leakage-to-ensure-butterfly-valve-leakage-compliance-with-industry-standards.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u5de5\u696d\u7528\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u7528\u9014\u306b\u306f\u30012\u3064\u306e\u898f\u683c\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u306f\u3001\u30d0\u30eb\u30d6\u304c\u5b8c\u5168\u306b\u9589\u3058\u305f\u72b6\u614b\u3067\u306e\u30d0\u30eb\u30d6\u30b7\u30fc\u30c8\u304b\u3089\u306e\u8a31\u5bb9\u6700\u5927\u6f0f\u308c\u91cf\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ANSI\/FCI 70-2<\/strong>\u5236\u5fa1\u5f01\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9I\u304b\u3089VI\u307e\u3067\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u6f0f\u6d29\u9650\u5ea6\u304c\u6bb5\u968e\u7684\u306b\u53b3\u3057\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>API 598<\/strong>\u906e\u65ad\u5f01\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u91d1\u5c5e\u30b7\u30fc\u30c8\u5f01\u3068\u5f3e\u6027\uff08\u30bd\u30d5\u30c8\uff09\u30b7\u30fc\u30c8\u5f01\u3092\u533a\u5225\u3057\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u8a66\u9a13\u8981\u4ef6\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b27\u5dde\u304a\u3088\u3073\u56fd\u969b\u5e02\u5834\u3067\u306f\u3001EN 12266-1\u304a\u3088\u3073ISO 5208\u3082\u53c2\u7167\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306f\u82e5\u5e72\u7570\u306a\u308b\u8a66\u9a13\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7528\u3044\u306a\u304c\u3089\u3082\u540c\u69d8\u306e\u8ad6\u7406\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6f0f\u308c\u7b49\u7d1a\u306f\u3001\u5de5\u5834\u3067\u306e\u30b7\u30fc\u30c8\u30c6\u30b9\u30c8\u4e2d\u306b\u5224\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c6\u30b9\u30c8\u3067\u306f\u3001\u30d0\u30eb\u30d6\u3092\u9589\u3058\u305f\u72b6\u614b\u3067\u3001\u7a7a\u6c17\u3001\u6c34\u3001\u307e\u305f\u306f\u7a92\u7d20\u3092\u898f\u5b9a\u306e\u5727\u529b\u3067\u6ce8\u5165\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u7d50\u679c\u306f\u3001\u305d\u306e\u30d0\u30eb\u30d6\u306e\u8010\u7528\u671f\u9593\u5168\u4f53\u306b\u304a\u3051\u308b\u30b7\u30fc\u30eb\u6027\u80fd\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3068\u306a\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5404\u30af\u30e9\u30b9\u306e\u6700\u5927\u6f0f\u6d29\u7387\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u5927\u6f0f\u6d29\u7387<\/strong> \u30af\u30e9\u30b9\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u9593\u9055\u3063\u305f\u30af\u30e9\u30b9\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u88fd\u54c1\u306e\u640d\u5931\u3001\u5b89\u5168\u4e8b\u6545\u3001\u307e\u305f\u306f\u898f\u5236\u9055\u53cd\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8a18\u306e\u8868\u306f\u3001\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u9078\u5b9a\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a\u30af\u30e9\u30b9\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u30af\u30e9\u30b9<\/strong><\/th><th><strong>\u6a19\u6e96<\/strong><\/th><th><strong>\u6700\u5927\u6f0f\u6c34\u91cf<\/strong><\/th><th><strong>\u8a66\u9a13\u57f9\u5730<\/strong><\/th><th><strong>\u4ee3\u8868\u7684\u306a\u30d0\u30eb\u30d6\u306e\u7a2e\u985e<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u30af\u30e9\u30b9IV<\/td><td>ANSI\/FCI 70-2<\/td><td>\u5b9a\u683c\u6d41\u91cf\u5bb9\u91cf\u306e0.01%<\/td><td>\u7a7a\u6c17\u307e\u305f\u306f\u6c34<\/td><td>\u9ad8\u6027\u80fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\uff08HPBV\uff09\u3001\u30c0\u30d6\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8<\/td><\/tr><tr><td>\u30af\u30e9\u30b9V<\/td><td>ANSI\/FCI 70-2<\/td><td>\u30dd\u30fc\u30c8\u5f841\u30a4\u30f3\u30c1\u3042\u305f\u308a\u3001psi\u3042\u305f\u308a5 \u00d7 10\u207b\u2074 mL\/\u5206<\/td><td>\u6700\u5927\u5dee\u5727\u6642\u306e\u6c34<\/td><td>\u30c8\u30ea\u30d7\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\uff08TOV\uff09\u3001\u7cbe\u5bc6\u91d1\u5c5e\u30b7\u30fc\u30c8<\/td><\/tr><tr><td><strong>\u30af\u30e9\u30b96<\/strong><\/td><td>ANSI\/FCI 70-2<\/td><td>\u6c17\u5bc6\u6027\u3042\u308a\u3002\u30d0\u30eb\u30d6\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u304f\u8a31\u5bb9\u6c17\u6ce1\u6570\/\u5206\u3002<\/td><td>\u7a7a\u6c17\u307e\u305f\u306f\u7a92\u7d20\uff0845\uff5e50psi\uff09<\/td><td>\u5f3e\u6027\u30b7\u30fc\u30c8\uff08\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\uff09\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/td><\/tr><tr><td>API 598 \u91d1\u5c5e<\/td><td>API 598<\/td><td>1\u5206\u3042\u305f\u308a\u306e\u6ef4\u6570\u307e\u305f\u306f\u6c17\u6ce1\u6570 \u2015 \u91cf\u306f\u30d0\u30eb\u30d6\u306e\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059<\/td><td>\u7a7a\u6c17\u307e\u305f\u306f\u6c34<\/td><td>\u3059\u3079\u3066\u65b0\u3057\u3044\u91d1\u5c5e\u30b7\u30fc\u30c8\u5f0f\u906e\u65ad\u5f01<\/td><\/tr><tr><td><strong>API 598 \u8010\u885d\u6483\u6027<\/strong><\/td><td>API 598<\/td><td>\u5de5\u5834\u8a66\u9a13\u4e2d\u306e\u6f0f\u308c\u306f\u30bc\u30ed\u3067\u3057\u305f\u3002<\/td><td>\u7a7a\u6c17\u307e\u305f\u306f\u6c34<\/td><td>\u65b0\u578b\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u5f0f\u906e\u65ad\u5f01<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30b9I\uff5eIII\u304c\u6307\u5b9a\u3055\u308c\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002\u30af\u30e9\u30b9IV\u306f\u3001\u91d1\u5c5e\u30b7\u30fc\u30c8\u30bf\u30a4\u30d7\u306e\u30d0\u30eb\u30d6\u306b\u304a\u3051\u308b\u5b9f\u7528\u7684\u306a\u6700\u4f4e\u57fa\u6e96\u3067\u3059\u3002\u30af\u30e9\u30b9VI\u306f\u3001\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30bf\u30a4\u30d7\u306e\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6a19\u6e96\u898f\u683c\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30e9\u30b9IV\u3067\u306f\u3001\u30d0\u30eb\u30d6\u306e\u6700\u5927\u5b9a\u683c\u6d41\u91cf\u5bb9\u91cf\u306e0.01%\u307e\u3067\u306e\u6f0f\u308c\u304c\u8a31\u5bb9\u3055\u308c\u307e\u3059\u3002\u30af\u30e9\u30b9VI\uff08\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\uff09\u3067\u306f\u3001\u30d0\u30eb\u30d6\u306e\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u3044\u3066\u30011\u5206\u3042\u305f\u308a\u306e\u6c17\u6ce1\u6570\u3092\u898f\u5b9a\u5024\u306b\u5236\u9650\u3057\u307e\u3059\u30022\u30a4\u30f3\u30c1\u306e\u5834\u5408\u30010.15mL\/\u5206\u3067\u3059\u30028\u30a4\u30f3\u30c1\u306e\u5834\u5408\u30011.70mL\/\u5206\u306b\u5897\u52a0\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>\u6ce8\u8a18<\/em><\/strong><em>\u8a66\u9a13\u5727\u529b\u3068\u8a66\u9a13\u5a92\u4f53\u306f\u3001\u5fc5\u305a\u30d0\u30eb\u30d6\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u300250psi\u3067\u8a66\u9a13\u3055\u308c\u305f\u30af\u30e9\u30b9VI\u5b9a\u683c\u306f\u300180psi\u3067\u8a66\u9a13\u3055\u308c\u305f\u3082\u306e\u3068\u540c\u7b49\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/em><\/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    \/* Added !important tags to prevent WordPress themes from injecting unwanted underlines *\/\n    .hero-card, .hero-card:hover, .hero-card:focus {\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 !important; \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      font-family: 'Poppins', sans-serif; \n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n      line-height: 1.6;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff !important;\n      text-decoration: none !important;\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\/double-offset-butterfly-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/tgvalve.b-cdn.net\/wp-content\/uploads\/2025\/06\/Double-Offset-Butterfly-Valve-480x480.webp\" alt=\"\u30c0\u30d6\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u30c0\u30d6\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/div>\n    <div class=\"hero-description\">\n      <strong>\u30c7\u30a3\u30b9\u30af:<\/strong> WCB\u3001SS\u3001C958<br>\n      <strong>\u5e79\uff1a<\/strong> 2Cr13\u3001SS304\u3001SS316\u3001\u30e2\u30cd\u30eb\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\"><strong>\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u5f0f\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u3068\u30e1\u30bf\u30eb\u30b7\u30fc\u30c8\u5f0f\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6bd4\u8f03<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u6027\u80fd\u3092\u6c7a\u5b9a\u3059\u308b\u4e0a\u3067\u3001\u30b7\u30fc\u30c8\u6750\u306f\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u30022\u7a2e\u985e\u306e\u30b7\u30fc\u30c8\u306f\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u904b\u8ee2\u6761\u4ef6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ja\/product\/ptfe-lined-concentric-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30d0\u30eb\u30d6<\/a> \u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u307e\u305f\u306f\u30dd\u30ea\u30de\u30fc\u88fd\u306e\u30b7\u30fc\u30c8\u6750\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u822c\u7684\u306a\u6750\u6599\u3068\u3057\u3066\u306f\u3001EPDM\u3001NBR\u3001PTFE\u3001\u30cd\u30aa\u30d7\u30ec\u30f3\u3001\u30d0\u30a4\u30c8\u30f3\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30a3\u30b9\u30af\u304c\u9589\u3058\u308b\u3068\u3001\u67d4\u3089\u304b\u3044\u30b7\u30fc\u30c8\u304c\u30c7\u30a3\u30b9\u30af\u306e\u7e01\u306b\u6cbf\u3063\u3066\u308f\u305a\u304b\u306b\u5909\u5f62\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3074\u3063\u305f\u308a\u3068\u5bc6\u7740\u3057\u305f\u6c17\u5bc6\u6027\u306e\u9ad8\u3044\u30b7\u30fc\u30eb\u304c\u5f62\u6210\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30d0\u30eb\u30d6\u306f\u3001\u6c34\u51e6\u7406\u3001\u7a7a\u8abf\u8a2d\u5099\u3001\u98df\u54c1\u52a0\u5de5\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3044\u3066\u6700\u9ad8\u306e\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u6a19\u6e96\u7684\u306a\u4f7f\u7528\u5727\u529b\u306f\u6700\u592716\u30d0\u30fc\u30eb\u3001\u6e29\u5ea6\u306f200\u2103\u4ee5\u4e0b\u306b\u4fdd\u305f\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u6e29\u74b0\u5883\u3084\u6469\u8017\u6027\u306e\u9ad8\u3044\u5a92\u4f53\u3067\u306f\u3001\u8edf\u8cea\u30b7\u30fc\u30c8\u3067\u306f\u6f0f\u308c\u30bc\u30ed\u306f\u9054\u6210\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u30af\u30e9\u30b9IV\u306e\u91d1\u5c5e\u30b7\u30fc\u30c8\u304c\u73fe\u5b9f\u7684\u306a\u4ee3\u66ff\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9054\u6210\u53ef\u80fd\u306a\u30af\u30e9\u30b9<\/strong>: \u30af\u30e9\u30b9VI (ANSI\/FCI 70-2)<strong> <\/strong>\u307e\u305f\u306f\u3001API 598 \u30ec\u30b8\u30ea\u30a8\u30f3\u30c8* \u306b\u3088\u308b\u6f0f\u6d29\u30bc\u30ed\u3002\u3069\u3061\u3089\u3082 <strong>\u6f0f\u308c\u306e\u306a\u3044\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong> \u6a19\u6e96\u7684\u306a\u5de5\u5834\u8a66\u9a13\u6761\u4ef6\u4e0b\u306b\u304a\u3044\u3066\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>\u6ce8\u8a18<\/em><\/strong><em>API 598 Resilient\u3068\u306f\u3001\u7c73\u56fd\u77f3\u6cb9\u5354\u4f1a\uff08API\uff09\u304c\u5b9a\u3081\u305f\u3001\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30d0\u30eb\u30d6\u306e\u8a66\u9a13\u898f\u683c\u3092\u6307\u3057\u307e\u3059\u3002.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u91d1\u5c5e\u30b7\u30fc\u30c8\u5f0f\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ja\/product\/metal-to-metal-triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u91d1\u5c5e\u30b7\u30fc\u30c8\u30d0\u30eb\u30d6<\/a> \u5ea7\u9762\u306b\u306f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3001\u30b9\u30c6\u30e9\u30a4\u30c8\u8089\u76db\u6eb6\u63a5\u3001\u30a4\u30f3\u30b3\u30cd\u30eb\u3001\u307e\u305f\u306f\u985e\u4f3c\u306e\u5408\u91d1\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30fc\u30eb\u6a5f\u69cb\u306f\u91d1\u5c5e\u540c\u58eb\u306e\u63a5\u89e6\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u30c7\u30a3\u30b9\u30af\u306f\u7cbe\u5bc6\u306b\u52a0\u5de5\u3055\u308c\u305f\u30b7\u30fc\u30c8\u30ea\u30f3\u30b0\u306b\u5bc6\u7740\u3057\u3066\u9589\u3058\u307e\u3059\u3002\u8868\u9762\u306e\u3070\u3089\u3064\u304d\u306b\u3088\u308a\u3001\u308f\u305a\u304b\u306a\u6f0f\u308c\u304c\u751f\u3058\u308b\u306e\u306f\u6b63\u5e38\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91d1\u5c5e\u88fd\u30b7\u30fc\u30c8\u306f\u3001\u9ad8\u6e29\u84b8\u6c17\u3001\u6975\u4f4e\u6e29\u74b0\u5883\u3001\u9632\u706b\u7528\u9014\u3001\u8150\u98df\u6027\u5a92\u4f53\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u983b\u5ea6\u904b\u8ee2\u306b\u3082\u512a\u308c\u305f\u8010\u4e45\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3068\u3057\u3066\u3001\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u8a2d\u8a08\u306b\u6bd4\u3079\u3066\u6f0f\u6d29\u91cf\u304c\u591a\u304f\u306a\u308a\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u91cd\u8981\u306a\u7d76\u7e01\u7528\u9014\u3067\u306f\u3001\u30af\u30e9\u30b9IV\u3067\u5341\u5206\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9054\u6210\u53ef\u80fd\u306a\u30af\u30e9\u30b9<\/strong>\uff1a \u901a\u5e38 <strong>\u30af\u30e9\u30b9IV<\/strong> ANSI\/FCI 70-2 \u306b\u6e96\u62e0\u3002\u7cbe\u5bc6\u7814\u78e8\u30b7\u30fc\u30c8\u3092\u5099\u3048\u305f\u30c8\u30ea\u30d7\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6 (TOV) \u306f\u3001 <strong>\u30af\u30e9\u30b9V<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u7279\u5fb4<\/strong><\/th><th><strong>\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8<\/strong><\/th><th><strong>\u91d1\u5c5e\u88fd\u306e\u5ea7\u9762<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u6f0f\u308c\u30af\u30e9\u30b9<\/td><td>\u30af\u30e9\u30b9VI \/ API 598 \u8010\u5f3e\u6027\uff08\u6f0f\u6d29\u30bc\u30ed\uff09<\/td><td>\u30af\u30e9\u30b9IV\uff08\u6a19\u6e96\uff09\u3001\u30af\u30e9\u30b9V\uff08\u7cbe\u5bc6TOV\uff09<\/td><\/tr><tr><td>\u6e29\u5ea6\u7bc4\u56f2<\/td><td>\u6700\u9ad8\u7d04200\u2103<\/td><td>\u5408\u91d1\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066-196\u2103\uff5e600\u2103\u4ee5\u4e0a<\/td><\/tr><tr><td>\u30e1\u30c7\u30a3\u30a2\u9069\u5408\u6027<\/td><td>\u6c34\u3001\u7a7a\u8abf\u7528\u6db2\u4f53\u3001\u98df\u54c1\u30b0\u30ec\u30fc\u30c9\u306e\u6db2\u4f53\u3001\u8efd\u5ea6\u306e\u5316\u5b66\u85ac\u54c1<\/td><td>\u84b8\u6c17\u3001\u6975\u4f4e\u6e29\u7269\u8cea\u3001\u70ad\u5316\u6c34\u7d20\u3001\u8150\u98df\u6027\u30d7\u30ed\u30bb\u30b9\u5a92\u4f53<\/td><\/tr><tr><td>\u5ea7\u5e2d\u5bff\u547d<\/td><td>\u4e2d\u7a0b\u5ea6\u3002\u9ad8\u983b\u5ea6\u904b\u8ee2\u306b\u3088\u308a\u30b7\u30fc\u30c8\u306e\u6469\u8017\u304c\u5897\u52a0\u3002<\/td><td>\u9577\u5bff\u547d\u3002\u9ad8\u5727\u30fb\u9ad8\u6e29\u4e0b\u3067\u3082\u6469\u8017\u306b\u5f37\u3044\u3002<\/td><\/tr><tr><td>\u30d9\u30b9\u30c8\u30a2\u30d7\u30ea<\/td><td>\u6c34\u51e6\u7406\u3001\u7a7a\u8abf\u8a2d\u5099\u3001\u85ac\u54c1\u6ce8\u5165\u3001\u4e00\u822c\u7684\u306a\u9694\u96e2<\/td><td>\u88fd\u6cb9\u6240\u3001\u767a\u96fb\u3001LNG\u3001\u9632\u706b\u30b5\u30fc\u30d3\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4f7f\u7528\u4e2d\u306e\u30d0\u30eb\u30d6\u6f0f\u308c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u4e3b\u306a\u8981\u56e0<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"656\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1200x656.webp\" alt=\"\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30d0\u30eb\u30d6\u306e\u6f0f\u308c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b5\u3064\u306e\u8981\u56e0\u3092\u6982\u8aac\u3057\u305f\u30a4\u30f3\u30d5\u30a9\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\" class=\"wp-image-2513\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1200x656.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-500x273.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-300x164.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-768x420.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-1536x839.webp 1536w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-137x75.webp 137w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-480x262.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions-800x437.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-outlines-the-5-factors-that-affect-valve-leakage-based-on-specific-conditions.webp 1999w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30d0\u30eb\u30d6\u30b7\u30fc\u30c8\u304b\u3089\u306e\u6f0f\u308c<\/strong> \u30d0\u30eb\u30d6\u306e\u8010\u7528\u671f\u9593\u3092\u901a\u3058\u3066\u4e00\u5b9a\u306b\u4fdd\u305f\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u904b\u8ee2\u6761\u4ef6\u4e0b\u3067\u30d0\u30eb\u30d6\u304c\u5b9a\u683c\u30af\u30e9\u30b9\u3092\u3069\u306e\u7a0b\u5ea6\u7dad\u6301\u3067\u304d\u308b\u304b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5ea7\u9762\u306e\u7d20\u6750\u3068\u786c\u3055\u3002.<\/strong> \u67d4\u3089\u304b\u3044\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u306f\u4f4e\u5727\u4e0b\u3067\u306e\u9069\u5408\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u3002\u786c\u3044\u91d1\u5c5e\u306f\u8010\u4e45\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u304c\u3001\u8868\u9762\u306e\u51f9\u51f8\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u4f4e\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u30c7\u30a3\u30b9\u30af\u306e\u5f62\u72b6\u3002.<\/strong> \u30c0\u30d6\u30eb\u3068<a href=\"https:\/\/www.tgvalve.com\/ja\/product-category\/butterfly-valve\/triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> \u30c8\u30ea\u30d7\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8<\/a> \u30c7\u30a3\u30b9\u30af\u8a2d\u8a08\u306b\u3088\u308a\u3001\u30b7\u30fc\u30c8\u3068\u306e\u63a5\u89e6\u6469\u64e6\u304c\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30fc\u30c8\u306e\u6469\u8017\u304c\u8efd\u6e1b\u3055\u308c\u3001\u591a\u304f\u306e\u904b\u8ee2\u30b5\u30a4\u30af\u30eb\u306b\u308f\u305f\u3063\u3066\u30b7\u30fc\u30eb\u6027\u80fd\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5dee\u5727\u3002.<\/strong> \u30d0\u30eb\u30d6\u304c\u9589\u3058\u305f\u72b6\u614b\u3067\u306e\u5727\u529b\u5dee\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u6f0f\u308c\u91cf\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u6307\u5b9a\u3055\u308c\u305f\u30af\u30e9\u30b9\u304c\u3001\u5b9f\u969b\u306e\u904b\u8ee2\u6642\u306e\u5727\u529b\u5dee\u306b\u9069\u7528\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u52d5\u4f5c\u6e29\u5ea6\u3002.<\/strong> \u71b1\u306b\u3088\u3063\u3066\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u306f\u6642\u9593\u3068\u3068\u3082\u306b\u786c\u5316\u3057\u305f\u308a\u3001\u30af\u30ea\u30fc\u30d7\u73fe\u8c61\u3092\u8d77\u3053\u3057\u305f\u308a\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u63a5\u89e6\u9762\u306e\u5f62\u72b6\u304c\u5909\u5316\u3057\u3001\u30b7\u30fc\u30eb\u6027\u80fd\u304c\u4f4e\u4e0b\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30e1\u30c7\u30a3\u30a2\u4e92\u63db\u6027\u3002.<\/strong> \u8150\u98df\u6027\u307e\u305f\u306f\u7814\u78e8\u6027\u306e\u6db2\u4f53\u306f\u30b7\u30fc\u30c8\u8868\u9762\u3092\u4fb5\u98df\u3057\u307e\u3059\u3002\u8868\u9762\u7c97\u3055\u304c\u5897\u3057\u3001\u305d\u308c\u306b\u4f34\u3063\u3066\u6f0f\u308c\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30c8\u30eb\u30af\u3002.<\/strong> \u30c8\u30eb\u30af\u4e0d\u8db3\u306e\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306f\u30c7\u30a3\u30b9\u30af\u304c\u5b8c\u5168\u306b\u7740\u5ea7\u3059\u308b\u306e\u3092\u59a8\u3052\u307e\u3059\u3002\u30c8\u30eb\u30af\u904e\u591a\u306e\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306f\u30b7\u30fc\u30c8\u306e\u6469\u8017\u3092\u52a0\u901f\u3055\u305b\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u7d50\u679c\u3082 <strong>\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6f0f\u308c<\/strong> \u6642\u9593\u3068\u3068\u3082\u306b\u3002.<\/li>\n\n\n\n<li><strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u5c65\u6b74\u3002.<\/strong> \u6469\u8017\u3057\u305f\u30b7\u30fc\u30c8\u306f\u4ea4\u63db\u3055\u308c\u306a\u3044\u307e\u307e\u653e\u7f6e\u3059\u308b\u3068\u3001\u672c\u6765\u306e\u6f0f\u6c34\u7b49\u7d1a\u3092\u7dad\u6301\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u9ad8\u983b\u5ea6\u4f7f\u7528\u6642\u3084\u8150\u98df\u6027\u74b0\u5883\u4e0b\u3067\u306f\u3001\u5b9a\u671f\u7684\u306a\u30b7\u30fc\u30c8\u70b9\u691c\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7528\u9014\u306b\u5408\u3063\u305f\u9069\u5207\u306a\u6f0f\u6d29\u30af\u30e9\u30b9\u306f\u3069\u306e\u3088\u3046\u306b\u9078\u3079\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306a\u6f0f\u6d29\u30af\u30e9\u30b9\u3092\u9078\u629e\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u30d7\u30ed\u30bb\u30b9\u8981\u4ef6\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30af\u30e9\u30b9VI\u307e\u305f\u306fAPI 598\u8010\u885d\u6483\u6027\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u98f2\u6599\u6c34\u3001\u85ac\u54c1\u6ce8\u5165\u3001\u304a\u3088\u3073\u76ee\u306b\u898b\u3048\u308b\u6f0f\u6c34\u304c\u8a31\u5bb9\u3055\u308c\u306a\u3044\u3042\u3089\u3086\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u8a2d\u8a08\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u6761\u4ef6\u4e0b\u3067\u3053\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30af\u30e9\u30b9IV\uff08API 598\u91d1\u5c5e\uff09\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong> \u9ad8\u6e29\u84b8\u6c17\u3001\u9632\u706b\u5bfe\u7b56\u304c\u5fc5\u8981\u306a\u7528\u9014\u3001\u304a\u3088\u3073\u30a8\u30e9\u30b9\u30c8\u30de\u30fc\u304c\u8010\u3048\u3089\u308c\u306a\u3044\u7cbe\u88fd\u30d7\u30ed\u30bb\u30b9\u5411\u3051\u3002.<\/li>\n\n\n\n<li><strong>\u30af\u30e9\u30b9V\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u30d7\u30ed\u30bb\u30b9\u306e\u91cd\u8981\u6027\u304c\u8ffd\u52a0\u30b3\u30b9\u30c8\u3092\u6b63\u5f53\u5316\u3059\u308b\u5834\u5408\u306b\u9650\u308b\u3002LNG\u30bf\u30fc\u30df\u30ca\u30eb\u3001\u767a\u96fb\u6240\u306e\u84b8\u6c17\u906e\u65ad\u3001\u304a\u3088\u3073\u4e00\u90e8\u306e\u77f3\u6cb9\u5316\u5b66\u30d7\u30e9\u30f3\u30c8\u306e\u8a2d\u5099\u306f\u3053\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u8a72\u5f53\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u8a66\u9a13\u6761\u4ef6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong> \u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30af\u30e9\u30b9\u304c\u3001\u5de5\u5834\u691c\u67fb\u3067\u4f7f\u7528\u3055\u308c\u305f\u8a66\u9a13\u5727\u529b\u304a\u3088\u3073\u8a66\u9a13\u5a92\u4f53\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u5de5\u5834\u8a66\u9a13\u8a3c\u660e\u66f8\u3092\u8acb\u6c42\u3059\u308b<\/strong> \u3059\u3079\u3066\u306e\u3054\u6ce8\u6587\u306b\u4ed8\u5c5e\u3057\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u306f\u3001\u7d0d\u54c1\u3055\u308c\u305f\u30d0\u30eb\u30d6\u304c\u304a\u5ba2\u69d8\u306e\u73fe\u5834\u306b\u5230\u7740\u3059\u308b\u524d\u306b\u3001\u6307\u5b9a\u3055\u308c\u305f\u30af\u30e9\u30b9\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7d50\u8ad6<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"652\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-1200x652.webp\" alt=\"\u5de5\u696d\u30d7\u30e9\u30f3\u30c8\u3067\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30d0\u30eb\u30d6\u306e\u6f0f\u6d29\u7b49\u7d1a\u8981\u4ef6\u3092\u78ba\u8a8d\u3057\u3001\u6c34\u3068\u84b8\u6c17\u306b\u5bfe\u3059\u308b\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306e\u6f0f\u6d29\u6027\u80fd\u304c\u9069\u5207\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u69d8\u5b50\u3002\" class=\"wp-image-2514\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-1200x652.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-500x272.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-300x163.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-768x417.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-138x75.webp 138w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-480x261.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam-800x435.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-image-of-an-engineer-in-an-industrial-plant-reviewing-valve-leakage-class-requirements-to-ensure-correct-butterfly-valve-leakage-performance-for-water-and-steam.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u9014\u306b\u5408\u3063\u305f\u6f0f\u6d29\u30af\u30e9\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b8c\u5168\u6027\u304c\u4fdd\u8b77\u3055\u308c\u3001\u30d0\u30eb\u30d6\u306e\u8010\u7528\u671f\u9593\u5168\u4f53\u306b\u304a\u3051\u308b\u7dcf\u6240\u6709\u30b3\u30b9\u30c8\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306f\u3001\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30bf\u30a4\u30d7\u306e\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6f0f\u308c\u30bc\u30ed\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002EPDM\u3001PTFE\u3001\u307e\u305f\u306fNBR\u30b7\u30fc\u30c8\u3092\u63a1\u7528\u3057\u305f\u3053\u308c\u3089\u306e\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u30d0\u30eb\u30d6\u306f\u3001ANSI\/FCI 70-2\u306e\u30af\u30e9\u30b9VI\u306b\u9069\u5408\u3057\u3001API 598 Resilient\u306e\u30bc\u30ed\u30ea\u30fc\u30af\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d0\u30eb\u30d6\u306f\u3001\u6a19\u6e96\u7684\u306a\u5de5\u5834\u8a66\u9a13\u6761\u4ef6\u4e0b\u3067\u3001\u30bc\u30ed\u30ea\u30fc\u30af\u306e\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u3068\u3057\u3066\u8a8d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TG\u30d0\u30eb\u30d6<\/strong> \u6f0f\u6d29\u30af\u30e9\u30b9\u8981\u4ef6\u306e\u5168\u7bc4\u56f2\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u30bd\u30d5\u30c8\u30b7\u30fc\u30c8\u88fd\u54c1\u306f\u6975\u3081\u3066\u4f4e\u3044\u6f0f\u6d29\u7387\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002 <strong>\u30d0\u30eb\u30d6\u30b7\u30fc\u30c8\u304b\u3089\u306e\u6f0f\u308c<\/strong> \u307b\u3068\u3093\u3069\u306e\u4f5c\u696d\u6761\u4ef6\u4e0b\u3067\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u6c34\u51e6\u7406\u3001\u7a7a\u8abf\u8a2d\u5099\u3001\u5316\u5b66\u7269\u8cea\u306e\u9694\u96e2\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u7523\u696d\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u793e\u306e\u91d1\u5c5e\u30b7\u30fc\u30c8\u5f0f\u9ad8\u6027\u80fd\u30d0\u30bf\u30d5\u30e9\u30a4\u30d0\u30eb\u30d6\u306f\u3001\u53b3\u3057\u3044\u71b1\u3001\u8150\u98df\u3001\u304a\u3088\u3073\u9632\u706b\u6027\u80fd\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u304a\u3044\u3066\u3001\u30af\u30e9\u30b9IV\u4ee5\u4e0a\u306e\u898f\u683c\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/ja\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">TG\u30d0\u30eb\u30d6\u88fd\u54c1\u5168\u822c<\/a> \u51fa\u8377\u524d\u306b\u5de5\u5834\u3067\u30b7\u30fc\u30c8\u6f0f\u308c\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002\u8a66\u9a13\u8a3c\u660e\u66f8\u306f\u3054\u8981\u671b\u306b\u5fdc\u3058\u3066\u3054\u63d0\u4f9b\u3044\u305f\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u88fd\u9020\u5de5\u7a0b\u306fISO 9001\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u30d0\u30eb\u30d6\u306fAPI 609\u3001API 607\u3001ISO 10497\u3001\u304a\u3088\u3073\u6b27\u5ddeCE\u30de\u30fc\u30ad\u30f3\u30b0\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\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-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/ja\/contact\/\" style=\"background-color:#1b4ca2\" target=\"_blank\" rel=\"noreferrer noopener\">\u7121\u6599\u898b\u7a4d\u3082\u308a<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Butterfly valve leakage class is a standardized rating that sets the maximum internal leakage allowed through the valve seat when fully closed. ANSI\/FCI 70-2 and API<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2511,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts\/2484","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=2484"}],"version-history":[{"count":2,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts\/2484\/revisions"}],"predecessor-version":[{"id":2558,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/posts\/2484\/revisions\/2558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/media\/2511"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/media?parent=2484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/categories?post=2484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/ja\/wp-json\/wp\/v2\/tags?post=2484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}