{"id":997,"date":"2026-04-17T01:13:33","date_gmt":"2026-04-17T05:13:33","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=997"},"modified":"2026-04-17T01:37:01","modified_gmt":"2026-04-17T05:37:01","slug":"blind-flange-the-safety-guardian-of-piping-systems","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/17\/blind-flange-the-safety-guardian-of-piping-systems\/","title":{"rendered":"\u76f2\u677f\u6cd5\u5170 \u7ba1\u9053\u7cfb\u7edf\u7684\u5b89\u5168\u536b\u58eb"},"content":{"rendered":"<h2>Function and Purpose<\/h2>\n<p>A Blind Flange is a solid flange without a center opening, used to close off the end of pipes, valves, or pressure vessels. It serves as a terminal closure component, playing a critical role during maintenance, inspection, or system expansion.<\/p>\n<h3>Main Applications<\/h3>\n<ol>\n<li>Pipe Closure: Seal pipe ends to prevent medium leakage<\/li>\n<li>System Isolation: Isolate specific pipe sections during maintenance<\/li>\n<li>Pressure Testing: Closure during pipeline pressure tests<\/li>\n<li>Future Connection: Reserve connection points for pipeline expansion<\/li>\n<\/ol>\n<h3>Structural Features<\/h3>\n<ul>\n<li>Solid construction with no center hole<\/li>\n<li>Thicker than other flanges of same specification<\/li>\n<li>Bolt connection to mating flange<\/li>\n<li>Available in RF, FF, or RTJ sealing faces<\/li>\n<\/ul>\n<h3>Types<\/h3>\n<ul>\n<li>Standard Blind: Regular thickness<\/li>\n<li>Heavy Duty Blind: For higher pressure<\/li>\n<li>Spectacle Blind: One side blind, one side ring for frequent switching<\/li>\n<li>Spade Blind: Inserted between mating flanges<\/li>\n<\/ul>\n<h3>\u538b\u529b\u989d\u5b9a\u503c<\/h3>\n<p>Class 150-2500 (ASME) or PN6-PN100 (European)<\/p>\n<p><strong>WhatsApp\uff1a<\/strong>\u00a0+86-18658777855<br \/>\n<strong>\u7535\u5b50\u90ae\u4ef6\uff1a<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u529f\u80fd\u548c\u7528\u9014 \u76f2\u677f\u6cd5\u5170\u662f\u4e00\u79cd\u6ca1\u6709\u4e2d\u5fc3\u5f00\u53e3\u7684\u5b9e\u5fc3\u6cd5\u5170\uff0c\u7528\u4e8e\u5c01\u95ed\u7ba1\u9053\u3001\u9600\u95e8\u6216\u538b\u529b\u5bb9\u5668\u7684\u672b\u7aef\u3002\u5b83\u662f\u4e00\u79cd\u7ec8\u7aef\u5c01\u95ed\u90e8\u4ef6\uff0c\u5728\u7ef4\u62a4\u3001\u68c0\u67e5\u6216\u7cfb\u7edf\u6269\u5c55\u8fc7\u7a0b\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u4e3b\u8981\u5e94\u7528 \u7ba1\u9053\u5c01\u95ed\uff1a \u5bc6\u5c01\u7ba1\u9053\u672b\u7aef\uff0c\u9632\u6b62\u4ecb\u8d28\u6cc4\u6f0f \u7cfb\u7edf [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[69,71,66,75,72],"class_list":["post-997","post","type-post","status-publish","format-standard","hentry","category-blog","tag-blind","tag-facing","tag-flange","tag-pipe-closure","tag-rating"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/comments?post=997"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/997\/revisions"}],"predecessor-version":[{"id":1005,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/997\/revisions\/1005"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}