{"id":4763,"date":"2026-07-23T18:48:25","date_gmt":"2026-07-23T10:48:25","guid":{"rendered":"https:\/\/www.connectionflexible.com\/?p=4763"},"modified":"2026-07-23T18:48:25","modified_gmt":"2026-07-23T10:48:25","slug":"pn10-vs-pn16-pipe-couplings-how-to-choose-the-correct-pressure-rating","status":"publish","type":"post","link":"https:\/\/www.connectionflexible.com\/zh\/news\/pn10-vs-pn16-pipe-couplings-how-to-choose-the-correct-pressure-rating\/","title":{"rendered":"2025\u5e7412\u670829\u65e5\u661f\u671f\u4e0019:44:20 0000"},"content":{"rendered":"

\"PE\u7ba1\u7684\u7ea6\u675f\u8026\u5408\"<\/p>\n

 <\/p>\n

\u4f5c\u4e3a\u4e00\u5bb6\u4e13\u4e1a\u7684\u4e2d\u56fd\u6c34\u5229\u5de5\u7a0b\u51fa\u53e3\u5546\uff0c\u6211\u4eec\u4f9b\u5e94\u7ecfWRAS\u548cCE\u8ba4\u8bc1\u7684PN10\u548cPN16\u7403\u58a8\u94f8\u94c1\u7ba1\u63a5\u5934\uff0c\u7ecf\u5e38\u6536\u5230\u5173\u4e8e\u5982\u4f55\u4e3a\u590d\u6742\u7684\u5e02\u653f\u3001\u6c61\u6c34\u548c\u6cf5\u7ad9\u7ba1\u9053\u7cfb\u7edf\u9009\u62e9\u5408\u9002\u7684\u538b\u529b\u7b49\u7ea7\u7ba1\u63a5\u5934\u7684\u54a8\u8be2\u3002PN10\/PN16\u7ba1\u63a5\u5934\u9009\u62e9\u4e0d\u5f53\u4f1a\u5bfc\u81f4\u63a5\u5934\u6cc4\u6f0f\u3001\u7ba1\u9053\u7206\u88c2\u548c\u9891\u7e41\u7ef4\u62a4\uff0c\u6b63\u5982\u5df4\u62ff\u9a6c\u57ce\u963f\u62c9\u4f0a\u6c49\u5730\u533a\u53cd\u590d\u53d1\u751f\u7684\u7ba1\u9053\u6545\u969c\u4e00\u6837\u3002<\/p>\n

\u300a\u62c6\u9664\u63a5\u5934\u5982\u4f55\u6539\u5584\u4f9b\u6c34\u7cfb\u7edf\u7684\u7ef4\u62a4\u300b\u2014\u2014Conflex<\/p>\n

2025\u5e7412\u670829\u65e5\u661f\u671f\u4e0020:01:06 0000 \u7ba1\u4ef6\u884c\u4e1a\u7684\u6700\u65b0\u89c1\u89e3-Conflex-\u5e15\u5409\u7eb317<\/b><\/u><\/strong><\/a>\u00a0\u51b3\u7b56\u5e94\u4ece\u7406\u8bba\u5c42\u9762\u8f6c\u5411\u5b9e\u8df5\u5c42\u9762\u3002<\/p>\n

https:\/\/www.connectionflexible.com\/?p=3635#comment-78<\/b><\/strong><\/h2>\n

\u4f5c\u8005\uff1a55bbet<\/p>\n

\u4f5c\u8005\uff1avip345apk<\/p>\n

\u8001\u65e7\u7684\u94a2\u7ba1\u3001PVC\u7ba1\u3001HDPE\u7ba1\u548c\u7403\u58a8\u94f8\u94c1\u7ba1\u4e5f\u53ef\u80fd\u5728\u7ef4\u4fee\u70b9\u5904\u76f8\u63a5\u3002\u4e0d\u540c\u7684\u5916\u5f84\u548c\u7ba1\u9053\u521a\u5ea6\u4f1a\u589e\u52a0\u63a5\u5934\u5904\u7684\u5e94\u529b\u3002<\/p>\n

https:\/\/www.connectionflexible.com\/zh\/\/dismantling-joint-manufacturers-a-comprehensive-guide-to-choosing-the-right-supplier\/#comment-41<\/b><\/strong><\/h2>\n

PN indicates a nominal pressure class. Under standard reference conditions, PN10 components are generally rated for 10 bar, while PN16 components are rated for 16 bar.<\/p>\n

\u8fd9\u5e76\u975e\u666e\u904d\u9002\u7528\u7684\u627f\u8bfa\u3002\u5141\u8bb8\u538b\u529b\u4f1a\u53d7\u5230\u6e29\u5ea6\u3001\u6750\u6599\u3001\u63a5\u5934\u8bbe\u8ba1\u3001\u57ab\u7247\u9009\u62e9\u4ee5\u53ca\u9002\u7528\u7684\u5236\u9020\u6807\u51c6\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u9009\u62e9\u56e0\u7d20<\/b><\/strong><\/td>\nPN10 \u7ba1\u63a5\u5934<\/b><\/strong><\/td>\nPN16 \u7ba1\u63a5\u5934<\/b><\/strong><\/td>\n<\/tr>\n
\u989d\u5b9a\u538b\u529b<\/td>\n10 \u5df4<\/td>\n16 \u5df4<\/td>\n<\/tr>\n
\u5178\u578b\u5e94\u7528<\/td>\n\u7a33\u5b9a\u7684\u4f4e\u538b\u6216\u4e2d\u538b\u7535\u7f51<\/td>\nHigher or variable-pressure networks<\/td>\n<\/tr>\n
Available surge margin<\/td>\nPVC\u978d\u5ea7\u5939\u7684\u4f7f\u7528\u5bff\u547d\uff1a\u4e00\u4e2a\u5168\u9762\u7684\u8bbe\u8ba1\u6307\u5357<\/td>\nGreater<\/td>\n<\/tr>\n
vip345apk\u548c\u63d0\u9ad8\u7ba1\u9053\u6548\u7387\uff1a\u4e3a\u4ec0\u4e48\u978d\u5ea7\u5939\u503c\u5f97\u60a8\u5728\u4e0b\u4e00\u4e2a\u9879\u76ee\u4e2d\u8003\u8651<\/td>\nOften lighter<\/td>\nOften more heavily reinforced<\/td>\n<\/tr>\n
Relative cost<\/td>\n\u62c6\u5378\u63a5\u5934\u548c\u4f38\u7f29\u63a5\u5934\u4e00\u6837\u5417\uff1f\u5916\u56fd\u6295\u8d44\u94f6\u884c<\/td>\nUsually higher<\/td>\n<\/tr>\n
\u5e38\u89c1\u4f4d\u7f6e<\/td>\n\u5206\u9500\u5206\u652f<\/td>\n\u6c34\u6cf5\u51fa\u53e3\u548c\u6613\u53d7\u6d6a\u6d8c\u5f71\u54cd\u7684\u533a\u57df<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PN16 \u6807\u8bb0\u5e76\u4e0d\u610f\u5473\u7740\u8be5\u63a5\u5934\u4e00\u5b9a\u9002\u7528\u4e8e\u6240\u6709\u590d\u6742\u7684\u5b89\u88c5\u73af\u5883\u3002\u7ba1\u9053\u4f4d\u79fb\u3001\u5916\u5f84\u516c\u5dee\u3001\u57ab\u7247\u6750\u6599\u548c\u7ea6\u675f\u6761\u4ef6\u4ecd\u7136\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\"\u901a\u7528\u8026\u5408\"<\/p>\n

 <\/p>\n

\u4e3a\u4ec0\u4e48\u6b63\u5e38\u5de5\u4f5c\u538b\u529b\u4e0d\u8db3\u4ee5\u4f5c\u4e3a\u9009\u62e9\u8054\u8f74\u5668\u7684\u6807\u51c6\uff1f<\/b><\/strong><\/h2>\n

\u6b63\u5e38\u5de5\u4f5c\u538b\u529b\u53ea\u6709\u4e00\u4e2a\u6570\u503c\u3002<\/p>\n

A useful review also considers maximum static pressure, pump shutoff pressure, test pressure, and transient pressure caused by water hammer. In hilly networks, a low-elevation coupling may experience considerably more static pressure than an identical component farther uphill.<\/p>\n

The design pressure should include the transient conditions required by the project standard. If that value exceeds the allowable pressure of a PN10 coupling, the selection is wrong even when daily operating pressure stays below 10 bar.<\/p>\n

The weakest component controls the connection. Installing a PN16 coupling beside an underrated valve, flange, pipe section, or gasket does not create a PN16 system.<\/p>\n

How Should Engineers Choose Between PN10 and PN16?<\/b><\/strong><\/h2>\n

Maoni\u63d0\u9ad8\u7ba1\u9053\u6548\u7387\uff1a\u4e3a\u4ec0\u4e48\u978d\u5ea7\u5939\u503c\u5f97\u60a8\u5728\u4e0b\u4e00\u4e2a\u9879\u76ee\u4e2d\u8003\u8651kwa vip345apk<\/p>\n

Step 1: Establish the Maximum Design Pressure<\/b><\/strong><\/h3>\n

Check recorded operating pressure across more than one supply cycle. Include maximum static head, pump discharge conditions, valve operations, pressure testing, and any available surge analysis.<\/p>\n

The selected coupling must meet or exceed the project\u2019s required design pressure. Safety margins should come from the applicable design code or utility specification, not from a convenient rule of thumb.<\/p>\n

Maoni\u62c6\u5378\u63a5\u5934\u4e0e\u4f38\u7f29\u63a5\u5934\u76f8\u540c\u5417\uff1fkwa goldenepirevn<\/b><\/strong><\/h3>\n

Measure the actual pipe outside diameter. DN alone is not enough, particularly when old steel, ductile iron, PVC, and HDPE pipes share the same network.<\/p>\n

\u786e\u8ba4\u7ba1\u9053\u6750\u8d28\u3001\u76f4\u5f84\u516c\u5dee\u3001\u5de5\u4f5c\u6e29\u5ea6\u3001\u8f93\u9001\u4ecb\u8d28\u3001\u87ba\u6813\u7b49\u7ea7\u3001\u6d82\u5c42\u548c\u57ab\u7247\u517c\u5bb9\u6027\u3002EPDM \u901a\u5e38\u7528\u4e8e\u996e\u7528\u6c34\uff0c\u800c\u77f3\u6cb9\u8f93\u9001\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u5f39\u6027\u4f53\u3002\u6b64\u5916\uff0c\u8fd8\u5fc5\u987b\u68c0\u67e5\u6240\u9700\u7684\u996e\u7528\u6c34\u8ba4\u8bc1\u3002<\/p>\n

Di\uff1avip345apk \u901a\u7528\u978d\u5ea7\u6cd5\u5170\u4e09\u901a\u4e0e\u653b\u4e1d\u5957\u7b52|\u4e3b\u8981\u533a\u522b-Conflex<\/b><\/u><\/strong><\/a>\u00a0may be necessary. Raising the pressure class does not provide restraint unless the coupling is designed for it.<\/p>\n

\u6b65\u9aa4 3\uff1a\u6309\u538b\u529b\u533a\u9009\u62e9<\/b><\/strong><\/h3>\n

\u6bb5\u843d\uff1aqibetvn<\/p>\n

\u5728\u6cf5\u51fa\u53e3\u9644\u8fd1\u3001\u4f4e\u6d3c\u5730\u533a\u3001\u9891\u7e41\u52a0\u538b\u7684\u5e72\u7ba1\u4ee5\u53ca\u5df2\u77e5\u4f1a\u53d1\u751f\u6d8c\u6d41\u4e8b\u4ef6\u7684\u7ba1\u6bb5\uff0c\u5e94\u4f18\u5148\u8003\u8651\u4f7f\u7528PN16\u3002\u867d\u7136\u5728\u6574\u4e2a\u7ba1\u7f51\u4e2d\u4f7f\u7528PN16\u53ef\u4ee5\u7b80\u5316\u5e93\u5b58\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u6210\u672c\u548c\u91cd\u91cf\uff0c\u800c\u65e0\u6cd5\u89e3\u51b3\u6839\u672c\u7684\u6c34\u529b\u95ee\u9898\u3002<\/p>\n

\u4f5c\u8005\uff1aqibetvn<\/p>\n

\u54ea\u79cd\u8026\u5408\u65b9\u6848\u9002\u5408 Arraij\u00e1n \u578b\u7f51\u7edc\uff1f<\/b><\/strong><\/h2>\n

\u5965\u5217\uff1aqibetvn \u901a\u7528\u8026\u5408<\/b><\/u><\/strong><\/a>\u00a0\u5728\u53d7\u6cf5\u5f71\u54cd\u6216\u6613\u53d7\u6d6a\u6d8c\u51b2\u51fb\u7684\u7ba1\u6bb5\uff0c\u5e94\u5728\u7a33\u5b9a\u7684\u652f\u7ba1\u548cPN16\u63a5\u5934\u5904\u8fdb\u884c\u7ef4\u4fee\u3002\u6df7\u5408\u6750\u6599\u7684\u7ef4\u4fee\u70b9\u9700\u8981\u4f7f\u7528\u5916\u5f84\u8303\u56f4\u5408\u9002\u7684\u63a5\u5934\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662fDN\u6807\u7b7e\u5339\u914d\u7684\u63a5\u5934\u3002<\/p>\n

HDPE\u7ba1\u6bb5\u9700\u8981\u683c\u5916\u5c0f\u5fc3\u3002\u5982\u679c\u70ed\u80c0\u51b7\u7f29\u3001\u5730\u57fa\u6c89\u964d\u6216\u6c34\u529b\u63a8\u529b\u53ef\u80fd\u5bfc\u81f4\u7ba1\u7aef\u5206\u79bb\uff0c\u5219\u5e94\u8003\u8651\u4f7f\u7528\u7ea6\u675f\u5f0f\u8fde\u63a5\u4ef6\u3002<\/p>\n

Por\uff1aqibetvn<\/p>\n

\u6b63\u786e\u7684\u538b\u529b\u7b49\u7ea7\u80fd\u5e26\u6765\u54ea\u4e9b\u7ed3\u679c\uff1f<\/b><\/strong><\/h2>\n

\u96f6\u4ef6\uff1ahm88comvn<\/p>\n

\u6709\u7528\u7684\u8bc1\u636e\u4f53\u73b0\u5728\u7ef4\u62a4\u8bb0\u5f55\u4e2d\u3002\u8ddf\u8e2a\u53d8\u66f4\u524d\u540e\u91cd\u590d\u6545\u969c\u6b21\u6570\u3001\u7ef4\u4fee\u5de5\u65f6\u3001\u6f0f\u6c34\u91cf\u548c\u538b\u529b\u5cf0\u503c\u3002<\/p>\n

\u4f5c\u8005\uff1aQibetvn<\/p>\n

\u7ed3\u8bba\uff1a\u60a8\u5e94\u8be5\u9009\u62e9PN10\u8fd8\u662fPN16\uff1f<\/b><\/strong><\/h2>\n

\u5982\u679c\u76d1\u6d4b\u7ed3\u679c\u663e\u793a\u538b\u529b\u7a33\u5b9a\u4e14\u8bbe\u8ba1\u88d5\u5ea6\u5145\u8db3\uff0c\u5219\u9009\u62e9 PN10\u3002\u5982\u679c\u6cf5\u9001\u3001\u6d77\u62d4\u3001\u6d4b\u8bd5\u538b\u529b\u6216\u6c34\u529b\u77ac\u53d8\u5bfc\u81f4\u6240\u9700\u989d\u5b9a\u503c\u66f4\u9ad8\uff0c\u5219\u8bc4\u4f30 PN16\u3002<\/p>\n

\u8bf4\uff1a qibetvn<\/p>\n

\u8bf7\u63d0\u4ea4\u6709\u5173\u7ba1\u9053\u5916\u5f84\u3001\u6750\u8d28\u3001\u6700\u5927\u8bbe\u8ba1\u538b\u529b\u548c\u4ecb\u8d28\u7684\u8be6\u7ec6\u4fe1\u606f\u3002 conflex<\/b><\/u><\/strong><\/a>\u00a0\u786e\u8ba4\u5408\u9002\u7684\u63a5\u5934\u7c7b\u578b\u548c\u538b\u529b\u7b49\u7ea7\u3002<\/p>\n

\u5e38\u89c1\u95ee\u9898<\/b><\/strong><\/h2>\n

Q <\/strong>\u7a46\u963f\u5229\u592b\uff1aqibetvn<\/strong><\/p>\n

https:\/\/www.connectionflexible.com\/zh\/\/\/#comment-72<\/p>\n

Q <\/strong>Reviewer: qibetvn<\/strong><\/p>\n

https:\/\/www.connectionflexible.com\/zh\/\/ductile-iron-piping-systems-advantages-installation-best-practices-and-common-applications\/#comment-44<\/p>\n

Reviewer: hello88discount<\/b><\/strong><\/p>\n

\u7b54\uff1a\u6211\u4eec\u7684\u63a5\u5934\u901a\u8fc7\u4e86 ISO \u8ba4\u8bc1\uff0cPN16 \u901a\u7528\u578b\u548c\u7ea6\u675f\u578b\u63a5\u5934\u5df2\u83b7\u5f97 WRAS \u548c CE \u8ba4\u8bc1\uff0c\u53ef\u7528\u4e8e\u5168\u7403\u5e02\u653f\u996e\u7528\u6c34\u9879\u76ee\u3002<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

  As a professional Chinese water engineering exporter supplying WRAS & CE certified PN10 and PN16 ductile iron pipe couplings, we often receive inquiries about how to select the right pressure class couplings for complex municipal, sewage and pumping station pipeline systems. Improper selection of PN10\/PN16 couplings will lead to joint leakage, pipe burst and […]<\/p>\n","protected":false},"author":1,"featured_media":4766,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-4763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":{"photo_gallery":{"\u9879\u76ee\u56fe\u72471":[[]]}},"jetpack_publicize_connections":[],"_links":{"self":[{"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/posts\/4763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/comments?post=4763"}],"version-history":[{"count":1,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/posts\/4763\/revisions"}],"predecessor-version":[{"id":4771,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/posts\/4763\/revisions\/4771"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/media\/4766"}],"wp:attachment":[{"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/media?parent=4763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/categories?post=4763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.connectionflexible.com\/zh\/wp-json\/wp\/v2\/tags?post=4763"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}