{"id":5501,"date":"2026-08-06T12:15:33","date_gmt":"2026-08-06T04:15:33","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5501"},"modified":"2026-08-17T17:22:02","modified_gmt":"2026-08-17T09:22:02","slug":"diaphragm-seal-process-connection","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/","title":{"rendered":"\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u63a5\u7d9a\u90e8\u306e\u4e0d\u4e00\u81f4\uff1a\u306d\u3058\u3068\u30d5\u30e9\u30f3\u30b8\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001 <strong>\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb<\/strong> \u3053\u308c\u306f\u3001\u5727\u529b\u8a08\u3068\u30d7\u30ed\u30bb\u30b9\u5a92\u4f53\u306e\u9593\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u88c5\u7f6e\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u63a5\u7d9a\u90e8\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u304c\u9069\u5408\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u7121\u7406\u306b\u8a2d\u7f6e\u3059\u308b\u3068\u3001\u6f0f\u308c\u3001\u30c7\u30c3\u30c9\u30ec\u30c3\u30b0\u3001\u307e\u305f\u306f\u4e0d\u5341\u5206\u306a\u5727\u529b\u4fdd\u6301\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3059\u308b\u969b\u306f\u3001\u300c1\/4\u30a4\u30f3\u30c1\u306d\u3058\u300d\u3084\u300c2\u30a4\u30f3\u30c1\u30d5\u30e9\u30f3\u30b8\u300d\u3068\u3044\u3063\u305f\u5177\u4f53\u7684\u306a\u4ed5\u69d8\u306e\u307f\u3092\u6307\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u63a5\u7d9a\u898f\u683c\u5168\u4f53\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1512\" height=\"2016\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg\" alt=\"Flanged diaphragm seal contact surface and sensing diaphragm\" class=\"wp-image-5498\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg 1512w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-225x300.jpg 225w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-768x1024.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-1152x1536.jpg 1152w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-9x12.jpg 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-300x400.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-600x800.jpg 600w\" sizes=\"(max-width: 1512px) 100vw, 1512px\" \/><figcaption class=\"wp-element-caption\">\u56f31\uff0e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u306e\u63a5\u89e6\u9762\u3002\u30d5\u30e9\u30f3\u30b8\u306e\u30b5\u30a4\u30ba\u3001\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u3001\u304a\u3088\u3073\u9762\u5f62\u72b6\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u63a5\u7d9a\u90e8\u3068\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u306e\u8868\u793a\/\u975e\u8868\u793a\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7b1e1c;color:#7b1e1c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#what-must-be-confirmed-for-a-threaded-connection\" >\u306d\u3058\u8fbc\u307f\u63a5\u7d9a\u3067\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u4e8b\u9805\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#what-must-be-confirmed-for-a-flanged-connection\" >\u30d5\u30e9\u30f3\u30b8\u63a5\u7d9a\u306b\u304a\u3044\u3066\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#can-sanitary-connections-on-food-processing-equipment-be-adapted\" >\u98df\u54c1\u52a0\u5de5\u6a5f\u5668\u306e\u885b\u751f\u63a5\u7d9a\u90e8\u306f\u6539\u9020\u53ef\u80fd\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#can-multiple-adapters-be-used-in-series\" >\u8907\u6570\u306e\u30a2\u30c0\u30d7\u30bf\u3092\u76f4\u5217\u63a5\u7d9a\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#relevant-international-standards\" >\u95a2\u9023\u3059\u308b\u56fd\u969b\u898f\u683c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#frequently-asked-questions\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/#conclusion\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-must-be-confirmed-for-a-threaded-connection\"><span class=\"ez-toc-section\" id=\"what-must-be-confirmed-for-a-threaded-connection\"><\/span>\u306d\u3058\u8fbc\u307f\u63a5\u7d9a\u3067\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u4e8b\u9805\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u306d\u3058\u898f\u683c\uff1aNPT\u3001G\/BSPP\u3001R\/BSPT\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u9069\u7528\u53ef\u80fd\u306a\u898f\u683c<\/li>\n\n\n\n<li>\u7537\u6027\u307e\u305f\u306f\u5973\u6027\u306e\u3064\u306a\u304c\u308a<\/li>\n\n\n\n<li>\u516c\u79f0\u30b5\u30a4\u30ba\u3068\u306d\u3058\u30d4\u30c3\u30c1<\/li>\n\n\n\n<li>\u30b7\u30fc\u30eb\u7b87\u6240\u304a\u3088\u3073\u30b7\u30fc\u30eb\u6750<\/li>\n\n\n\n<li>\u63a5\u7d9a\u6750\u6599\u3068\u8010\u5727\u6027\u80fd<\/li>\n<\/ul>\n\n\n\n<p>\u76f4\u5f84\u304c\u4f3c\u3066\u3044\u308b\u30cd\u30b8\u5c71\u3067\u3082\u3001\u5fc5\u305a\u3057\u3082\u4e92\u63db\u6027\u304c\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u7121\u7406\u306b\u7de0\u3081\u4ed8\u3051\u305f\u308a\u3001\u30cd\u30b8\u5c71\u306e\u4e0d\u4e00\u81f4\u3092\u904e\u5270\u306a\u30b7\u30fc\u30eb\u30c6\u30fc\u30d7\u3067\u88dc\u304a\u3046\u3068\u3057\u305f\u308a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-must-be-confirmed-for-a-flanged-connection\"><span class=\"ez-toc-section\" id=\"what-must-be-confirmed-for-a-flanged-connection\"><\/span>\u30d5\u30e9\u30f3\u30b8\u63a5\u7d9a\u306b\u304a\u3044\u3066\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u516c\u79f0\u30d5\u30e9\u30f3\u30b8\u30b5\u30a4\u30ba\u306b\u52a0\u3048\u3066\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u7528\u53ef\u80fd\u306a\u30d5\u30e9\u30f3\u30b8\u898f\u683c\uff08ASME\/ANSI\u3001EN\u3001JIS\u306a\u3069\uff09<\/li>\n\n\n\n<li>\u5727\u529b\u30af\u30e9\u30b9\u307e\u305f\u306f\u5b9a\u683c<\/li>\n\n\n\n<li>\u30d5\u30e9\u30f3\u30b8\u9762\u4ed8\u3051\u30bf\u30a4\u30d7<\/li>\n\n\n\n<li>\u30dc\u30eb\u30c8\u7a74\u306e\u6570\u3068\u30dc\u30eb\u30c8\u5186\u306e\u5bf8\u6cd5<\/li>\n\n\n\n<li>\u30ac\u30b9\u30b1\u30c3\u30c8\u6750<\/li>\n\n\n\n<li>\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u306f\u30b7\u30fc\u30eb\u9762\u3068\u9762\u4e00\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b<\/li>\n<\/ul>\n\n\n\n<p>\u516c\u79f0\u30b5\u30a4\u30ba\u304c\u540c\u3058\u30d5\u30e9\u30f3\u30b8\u3067\u3082\u3001\u8010\u5727\u6027\u3001\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u3001\u307e\u305f\u306f\u9762\u5f62\u72b6\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u4e92\u63db\u6027\u304c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-scaled.jpg\" alt=\"SJ Gauge pressure transmitter with flanged diaphragm seal and process connection\" class=\"wp-image-4644\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-scaled.jpg 2560w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-300x225.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-1024x768.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-768x576.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-1536x1152.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-2048x1536.jpg 2048w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-16x12.jpg 16w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-600x450.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">\u56f32. \u30d5\u30e9\u30f3\u30b8\u5f0f\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u3068\u5727\u529b\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30bf\u306e\u7d44\u7acb\u54c1\u3002\u53d6\u308a\u4ed8\u3051\u524d\u306b\u3001\u30d5\u30e9\u30f3\u30b8\u898f\u683c\u3001\u5727\u529b\u5b9a\u683c\u3001\u30dc\u30eb\u30c8\u7a74\u914d\u7f6e\u3001\u30b7\u30fc\u30eb\u9762\u5f62\u5f0f\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-sanitary-connections-on-food-processing-equipment-be-adapted\"><span class=\"ez-toc-section\" id=\"can-sanitary-connections-on-food-processing-equipment-be-adapted\"><\/span>\u98df\u54c1\u52a0\u5de5\u6a5f\u5668\u306e\u885b\u751f\u63a5\u7d9a\u90e8\u306f\u6539\u9020\u53ef\u80fd\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u885b\u751f\u7684\u306a\u63a5\u7d9a\u90e8\u306f\u3001\u30b5\u30a4\u30ba\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u6750\u8cea\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u3001\u6d17\u6d44\u6027\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u914d\u7ba1\u306b\u5408\u3046\u3088\u3046\u306b\u6c4e\u7528\u306e\u306d\u3058\u8fbc\u307f\u5f0f\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u306f\u3001\u672c\u6765\u306e\u885b\u751f\u8a2d\u8a08\u304c\u640d\u306a\u308f\u308c\u3001\u88fd\u54c1\u304c\u6ede\u7559\u3059\u308b\u7b87\u6240\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-multiple-adapters-be-used-in-series\"><span class=\"ez-toc-section\" id=\"can-multiple-adapters-be-used-in-series\"><\/span>\u8907\u6570\u306e\u30a2\u30c0\u30d7\u30bf\u3092\u76f4\u5217\u63a5\u7d9a\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002\u30b8\u30e7\u30a4\u30f3\u30c8\u304c\u5897\u3048\u308b\u3054\u3068\u306b\u3001\u6f5c\u5728\u7684\u306a\u6f0f\u6d29\u7b87\u6240\u304c\u5897\u3048\u3001\u30d7\u30ed\u30bb\u30b9\u5a92\u4f53\u304c\u84c4\u7a4d\u3059\u308b\u9818\u57df\u3082\u5897\u3048\u307e\u3059\u3002\u307e\u305f\u3001\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u91cd\u306d\u308b\u3068\u3001\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u304c\u91cd\u91cf\u3001\u632f\u52d5\u3001\u66f2\u3052\u8377\u91cd\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"540\" height=\"720\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly.jpg\" alt=\"Flanged diaphragm seal pressure measurement assembly\" class=\"wp-image-5500\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly.jpg 540w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-225x300.jpg 225w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-9x12.jpg 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-300x400.jpg 300w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><figcaption class=\"wp-element-caption\">\u56f33\uff0e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u5f0f\u5727\u529b\u6e2c\u5b9a\u88c5\u7f6e\u3002\u8a08\u6e2c\u5668\u5074\u3068\u30d7\u30ed\u30bb\u30b9\u5074\u306e\u4e21\u65b9\u306e\u63a5\u7d9a\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-relevant-international-standards\"><span class=\"ez-toc-section\" id=\"relevant-international-standards\"><\/span>\u95a2\u9023\u3059\u308b\u56fd\u969b\u898f\u683c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u63a5\u7d9a\u306e\u9078\u629e\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001\u304a\u3088\u3073\u691c\u8a3c\u306f\u3001\u4ee5\u4e0b\u306e\u898f\u683c\u306b\u3088\u3063\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b40-100-pressure-gauges-gauge-attachments\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME B40.100-2022<\/strong><\/a>\u5727\u529b\u8a08\u3068\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u3092\u542b\u3080\u30b2\u30fc\u30b8\u30a2\u30bf\u30c3\u30c1\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u7528\u8a9e\u3001\u69cb\u9020\u3001\u8a2d\u7f6e\u3001\u30c6\u30b9\u30c8\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u63a8\u5968\u4e8b\u9805\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME B31.3-2024<\/strong><\/a>\u30d7\u30ed\u30bb\u30b9\u914d\u7ba1\u306e\u8a2d\u8a08\u3001\u6750\u6599\u3001\u69cb\u6210\u90e8\u54c1\u3001\u88fd\u9020\u3001\u7d44\u7acb\u3001\u691c\u67fb\u3001\u304a\u3088\u3073\u8a66\u9a13\u306b\u95a2\u3059\u308b\u8981\u4ef6\u3092\u898f\u5b9a\u3059\u308b\u3002\u63a5\u7d9a\u90e8\u304a\u3088\u3073\u30d5\u30e9\u30f3\u30b8\u3092\u9078\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/bioprocessing-equipment\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME BPE-2026<\/strong><\/a>\u672c\u898f\u683c\u306f\u3001\u4e00\u5b9a\u306e\u7d14\u5ea6\u304a\u3088\u3073\u5fae\u751f\u7269\u6c5a\u67d3\u7ba1\u7406\u30ec\u30d9\u30eb\u304c\u6c42\u3081\u3089\u308c\u308b\u7523\u696d\u5411\u3051\u306e\u65b0\u3057\u3044\u6d41\u4f53\u51e6\u7406\u88c5\u7f6e\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u98df\u54c1\u3001\u533b\u85ac\u54c1\u3001\u304a\u3088\u3073\u30d0\u30a4\u30aa\u30d7\u30ed\u30bb\u30b9\u7528\u9014\u5411\u3051\u306e\u885b\u751f\u7684\u306a\u63a5\u7d9a\u90e8\u306f\u3001\u5225\u9014\u691c\u8a3c\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u901a\u5e38\u306e\u30a2\u30c0\u30d7\u30bf\u3068\u3057\u3066\u6271\u3046\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u898f\u683c\u306b\u95a2\u3059\u308b\u6ce8\u8a18\uff1a<\/strong> \u6a5f\u5668\u306e\u8a2d\u7f6e\u5834\u6240\u3001\u30d7\u30ed\u30bb\u30b9\u30ea\u30b9\u30af\u3001\u304a\u3088\u3073\u8abf\u9054\u4ed5\u69d8\u306b\u95a2\u3059\u308b\u9069\u7528\u7bc4\u56f2\u3001\u7248\u3001\u304a\u3088\u3073\u8a8d\u8a3c\u6587\u66f8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u898f\u683c\u3092\u53c2\u7167\u3057\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u88fd\u54c1\u304c\u81ea\u52d5\u7684\u306b\u8a8d\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u88fd\u9020\u696d\u8005\u306b\u3088\u308b\u69cb\u6210\u30ec\u30d3\u30e5\u30fc\u306b\u4ee3\u308f\u308b\u3082\u306e\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-an-old-product-photo-confirm-the-connection-specification\">\u53e4\u3044\u88fd\u54c1\u5199\u771f\u3067\u63a5\u7d9a\u4ed5\u69d8\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u5199\u771f\u306f\u521d\u671f\u8a55\u4fa1\u306e\u53c2\u8003\u306b\u306a\u308b\u304c\u3001\u30d5\u30e9\u30f3\u30b8\u306e\u898f\u683c\u3001\u306d\u3058\u30d4\u30c3\u30c1\u3001\u8010\u5727\u6027\u80fd\u3001\u304a\u3088\u3073\u9762\u5f62\u72b6\u306f\u3001\u578b\u756a\u3001\u56f3\u9762\u3001\u307e\u305f\u306f\u5b9f\u6e2c\u5024\u304b\u3089\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-if-the-connection-can-be-installed-does-that-mean-it-is-suitable-for-service\">\u63a5\u7d9a\u304c\u8a2d\u7f6e\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n<p>\u3044\u3044\u3048\u3002\u5727\u529b\u3001\u6e29\u5ea6\u3001\u6750\u8cea\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u9078\u5b9a\u3001\u304a\u3088\u3073\u30d7\u30ed\u30bb\u30b9\u5a92\u4f53\u3068\u306e\u9069\u5408\u6027\u3082\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u63a5\u7d9a\u306f\u3001\u547c\u3073\u5f84\u3060\u3051\u3067\u9078\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u306d\u3058\u898f\u683c\u3001\u30aa\u30b9\u578b\u307e\u305f\u306f\u30e1\u30b9\u578b\u3001\u30d5\u30e9\u30f3\u30b8\u306e\u8010\u5727\u6027\u80fd\u3001\u9762\u5f62\u72b6\u3001\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306a\u3069\u3001\u3059\u3079\u3066\u304c\u4e92\u63db\u6027\u306e\u3042\u308b\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p>\u30d7\u30ed\u30bb\u30b9\u63a5\u7d9a\u306e\u8a73\u7d30\u3001\u5a92\u4f53\u3001\u5727\u529b\u3001\u6e29\u5ea6\u3001\u304a\u3088\u3073\u5165\u624b\u53ef\u80fd\u306a\u56f3\u9762\u3084\u5199\u771f\u3092SJ Gauge\u307e\u3067\u304a\u9001\u308a\u304f\u3060\u3055\u3044\u3002\u5f0a\u793e\u306e\u30c1\u30fc\u30e0\u304c\u9069\u5207\u306a\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u63a5\u7d9a\u306e\u78ba\u8a8d\u3092\u304a\u624b\u4f1d\u3044\u3044\u305f\u3057\u307e\u3059\u3002. <a href=\"https:\/\/www.sj-gauge.com\/ja\/contact\/\">SJ Gauge\u3078\u304a\u554f\u3044\u5408\u308f\u305b<\/a>.<\/p>\n\n\n\n<p><strong>\u95a2\u9023\u8a18\u4e8b\uff1a<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/ja\/pressure-gauge-npt-pt-g-thread\/\">\u5727\u529b\u8a08\u306eNPT\u30fbPT\u30fbG\u306d\u3058\u306e\u9055\u3044\uff1a\u306d\u3058\u898f\u683c\u3068\u30b7\u30fc\u30eb\u65b9\u5f0f\u3092\u89e3\u8aac<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>In this article, a diaphragm seal means the device installed between a pressure gauge and the process medium. If the process connection does not match, the assembly may not fit. Forcing the installation with adapters can also create leaks, dead legs, or inadequate pressure integrity. Do not specify only a &#8220;1\/4-inch thread&#8221; or a &#8220;2-inch flange&#8221; when requesting a quotation. The complete connection standard must be confirmed. What Must Be Confirmed for a Threaded Connection? Threads with similar diameters are not necessarily compatible. Never force them together or try to compensate for a mismatch with excessive thread seal tape. What Must Be Confirmed for a Flanged Connection? In addition to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5498,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[73],"class_list":["post-5501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-knowledge"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Diaphragm Seal Connection Mismatch: Thread\u3002\u306b\u3064\u3044\u3066\uff5cSJ Gauge<\/title>\n<meta name=\"description\" content=\"A diaphragm seal may not fit when the thread standard, flange rating, sealing face, or bolt pattern is incompatible. Learn what to confirm before ordering\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diaphragm Seal Connection Mismatch: Thread\u3002\u306b\u3064\u3044\u3066\uff5cSJ Gauge\" \/>\n<meta property=\"og:description\" content=\"A diaphragm seal may not fit when the thread standard, flange rating, sealing face, or bolt pattern is incompatible. Learn what to confirm before ordering\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/\" \/>\n<meta property=\"og:site_name\" content=\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-06T04:15:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T09:22:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1512\" \/>\n\t<meta property=\"og:image:height\" content=\"2016\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"SJ Gauge\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u306b\u3064\u3044\u3066\uff5cSJ Gauge\" \/>\n<meta name=\"twitter:description\" content=\"\u3053\u306e\u30da\u30fc\u30b8\u306b\u3064\u3044\u3066\u3001SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u3092\u3054\u6848\u5185\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"SJ Gauge\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/\"},\"author\":{\"name\":\"SJ Gauge\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#\\\/schema\\\/person\\\/cbc9e642e49a53b18b3eb832486bd52c\"},\"headline\":\"Diaphragm Seal Connection Mismatch: Thread &#038; Flange Guide\",\"datePublished\":\"2026-08-06T04:15:33+00:00\",\"dateModified\":\"2026-08-17T09:22:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/\"},\"wordCount\":639,\"publisher\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/diaphragm-seal-flange-contact-surface.jpg\",\"keywords\":[\"Knowledge\"],\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/\",\"name\":\"Diaphragm Seal Connection Mismatch: Thread & Flange Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/diaphragm-seal-flange-contact-surface.jpg\",\"datePublished\":\"2026-08-06T04:15:33+00:00\",\"dateModified\":\"2026-08-17T09:22:02+00:00\",\"description\":\"A diaphragm seal may not fit when the thread standard, flange rating, sealing face, or bolt pattern is incompatible. Learn what to confirm before ordering.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/diaphragm-seal-flange-contact-surface.jpg\",\"contentUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/diaphragm-seal-flange-contact-surface.jpg\",\"width\":1512,\"height\":2016,\"caption\":\"Flanged diaphragm seal contact surface and sensing diaphragm\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/diaphragm-seal-process-connection\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Diaphragm Seal Connection Mismatch: Thread &#038; Flange Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#website\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/\",\"name\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\",\"description\":\"Manufacturer of industrial pressure gauges, pressure sensors, and transmitters. SJ Gauge provides high accuracy, durable materials, and custom solutions for oil &amp; gas, chemical, and industrial applications.\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#organization\",\"name\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo.webp\",\"contentUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo.webp\",\"width\":348,\"height\":184,\"caption\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/#\\\/schema\\\/person\\\/cbc9e642e49a53b18b3eb832486bd52c\",\"name\":\"SJ Gauge\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867\",\"contentUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867\",\"caption\":\"SJ Gauge\"},\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/ja\\\/author\\\/sj-gauge\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u306e\u63a5\u7d9a\u30df\u30b9\u30de\u30c3\u30c1\uff1a\u306d\u3058\u3002\u306b\u3064\u3044\u3066\uff5cSJ Gauge","description":"\u306d\u3058\u898f\u683c\u3001\u30d5\u30e9\u30f3\u30b8\u5b9a\u683c\u3001\u30b7\u30fc\u30eb\u9762\u3001\u307e\u305f\u306f\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u304c\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u3001\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u306f\u9069\u5408\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3054\u6ce8\u6587\u524d\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/","og_locale":"ja_JP","og_type":"article","og_title":"Diaphragm Seal Connection Mismatch: Thread\u3002\u306b\u3064\u3044\u3066\uff5cSJ Gauge","og_description":"A diaphragm seal may not fit when the thread standard, flange rating, sealing face, or bolt pattern is incompatible. Learn what to confirm before ordering\u3002","og_url":"https:\/\/www.sj-gauge.com\/ja\/diaphragm-seal-process-connection\/","og_site_name":"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors","article_published_time":"2026-08-06T04:15:33+00:00","article_modified_time":"2026-08-17T09:22:02+00:00","og_image":[{"width":1512,"height":2016,"url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg","type":"image\/jpeg"}],"author":"SJ Gauge","twitter_card":"summary_large_image","twitter_title":"SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u306b\u3064\u3044\u3066\uff5cSJ Gauge","twitter_description":"\u3053\u306e\u30da\u30fc\u30b8\u306b\u3064\u3044\u3066\u3001SJ Gauge\u306e\u88fd\u54c1\u30fb\u6280\u8853\u60c5\u5831\u3092\u3054\u6848\u5185\u3057\u307e\u3059\u3002","twitter_misc":{"\u57f7\u7b46\u8005":"SJ Gauge","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"4\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#article","isPartOf":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/"},"author":{"name":"SJ Gauge","@id":"https:\/\/www.sj-gauge.com\/ja\/#\/schema\/person\/cbc9e642e49a53b18b3eb832486bd52c"},"headline":"Diaphragm Seal Connection Mismatch: Thread &#038; Flange Guide","datePublished":"2026-08-06T04:15:33+00:00","dateModified":"2026-08-17T09:22:02+00:00","mainEntityOfPage":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/"},"wordCount":639,"publisher":{"@id":"https:\/\/www.sj-gauge.com\/ja\/#organization"},"image":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#primaryimage"},"thumbnailUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg","keywords":["Knowledge"],"articleSection":["Knowledge"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/","url":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/","name":"\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u63a5\u7d9a\u90e8\u306e\u4e0d\u4e00\u81f4\uff1a\u306d\u3058\u3068\u30d5\u30e9\u30f3\u30b8\u30ac\u30a4\u30c9","isPartOf":{"@id":"https:\/\/www.sj-gauge.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#primaryimage"},"image":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#primaryimage"},"thumbnailUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg","datePublished":"2026-08-06T04:15:33+00:00","dateModified":"2026-08-17T09:22:02+00:00","description":"\u306d\u3058\u898f\u683c\u3001\u30d5\u30e9\u30f3\u30b8\u5b9a\u683c\u3001\u30b7\u30fc\u30eb\u9762\u3001\u307e\u305f\u306f\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u304c\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u3001\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30b7\u30fc\u30eb\u306f\u9069\u5408\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3054\u6ce8\u6587\u524d\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002.","breadcrumb":{"@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#primaryimage","url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg","contentUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg","width":1512,"height":2016,"caption":"Flanged diaphragm seal contact surface and sensing diaphragm"},{"@type":"BreadcrumbList","@id":"https:\/\/www.sj-gauge.com\/diaphragm-seal-process-connection\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sj-gauge.com\/ja\/"},{"@type":"ListItem","position":2,"name":"Diaphragm Seal Connection Mismatch: Thread &#038; Flange Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.sj-gauge.com\/ja\/#website","url":"https:\/\/www.sj-gauge.com\/ja\/","name":"SJ Gauge\uff5c \u5727\u529b\u8a08\u3001\u6e29\u5ea6\u8a08\u3001\u5727\u529b\u30bb\u30f3\u30b5","description":"\u5de5\u696d\u7528\u5727\u529b\u8a08\u3001\u5727\u529b\u30bb\u30f3\u30b5\u3001\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30bf\u306e\u30e1\u30fc\u30ab\u30fc\u3002SJ Gauge\u306f\u3001\u30aa\u30a4\u30eb\uff06\u30ac\u30b9\u3001\u5316\u5b66\u3001\u7523\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u3001\u9ad8\u7cbe\u5ea6\u3001\u8010\u4e45\u6027\u306e\u3042\u308b\u6750\u6599\u3001\u30ab\u30b9\u30bf\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002","publisher":{"@id":"https:\/\/www.sj-gauge.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sj-gauge.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.sj-gauge.com\/ja\/#organization","name":"SJ Gauge\uff5c \u5727\u529b\u8a08\u3001\u6e29\u5ea6\u8a08\u3001\u5727\u529b\u30bb\u30f3\u30b5","url":"https:\/\/www.sj-gauge.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sj-gauge.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/09\/logo.webp","contentUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/09\/logo.webp","width":348,"height":184,"caption":"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors"},"image":{"@id":"https:\/\/www.sj-gauge.com\/ja\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.sj-gauge.com\/ja\/#\/schema\/person\/cbc9e642e49a53b18b3eb832486bd52c","name":"SJ Gauge","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sj-gauge.com\/wp-content\/litespeed\/avatar\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867","url":"https:\/\/www.sj-gauge.com\/wp-content\/litespeed\/avatar\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867","contentUrl":"https:\/\/www.sj-gauge.com\/wp-content\/litespeed\/avatar\/b325a50a2f5f3f919eda58ee6d7a47ae.jpg?ver=1786942867","caption":"SJ Gauge"},"url":"https:\/\/www.sj-gauge.com\/ja\/author\/sj-gauge\/"}]}},"_links":{"self":[{"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/posts\/5501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/comments?post=5501"}],"version-history":[{"count":3,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/posts\/5501\/revisions"}],"predecessor-version":[{"id":5703,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/posts\/5501\/revisions\/5703"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/media\/5498"}],"wp:attachment":[{"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/media?parent=5501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/categories?post=5501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sj-gauge.com\/ja\/wp-json\/wp\/v2\/tags?post=5501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}