{"id":1797,"date":"2026-02-13T12:03:01","date_gmt":"2026-02-13T12:03:01","guid":{"rendered":"https:\/\/www.wonzh.com\/?p=1797"},"modified":"2026-02-13T12:05:30","modified_gmt":"2026-02-13T12:05:30","slug":"o-%e5%bd%a2%e5%9c%88%e8%88%87-u-%e5%bd%a2%e6%9d%af%e5%af%86%e5%b0%81%e7%9a%84%e8%b2%a0%e8%bc%89%e8%83%bd%e5%8a%9b%e5%92%8c%e6%8a%97%e6%b4%a9%e6%bc%8f%e8%83%bd%e5%8a%9b","status":"publish","type":"post","link":"https:\/\/www.wonzh.com\/zh\/o-ring-vs-u-cup-seal-load-capacity-and-leakage-resistance\/","title":{"rendered":"O \u5f62\u5708\u8207 U-Cup \u5bc6\u5c01\u4ef6\uff1a\u8ca0\u8f09\u80fd\u529b\u8207\u6297\u6f0f\u80fd\u529b"},"content":{"rendered":"<p>\u5bc6\u5c01\u5143\u4ef6\u5728\u6db2\u58d3\u3001\u6c23\u58d3\u548c\u5de5\u696d\u7cfb\u7d71\u4e2d\u81f3\u95dc\u91cd\u8981\u3002\u5176\u4e2d\u4f7f\u7528\u6700\u5ee3\u6cdb\u7684\u6709 <strong>O \u5f62\u74b0<\/strong> \u548c <strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong>. .\u96d6\u7136\u5169\u8005\u90fd\u80fd\u9632\u6b62\u6d41\u9ad4\u6d29\u6f0f\uff0c\u4f46\u5b83\u5011\u5728\u8a2d\u8a08\u3001\u8ca0\u8f09\u80fd\u529b\u3001\u6297\u6d29\u6f0f\u6027\u4ee5\u53ca\u5c0d\u5404\u7a2e\u61c9\u7528\u7684\u9069\u7528\u6027\u65b9\u9762\u90fd\u6709\u6240\u4e0d\u540c\u3002\u9078\u64c7\u6b63\u78ba\u7684\u5bc6\u5c01\u4ef6\u53ef\u78ba\u4fdd\u7cfb\u7d71\u7684\u6548\u7387\u3001\u5b89\u5168\u6027\u548c\u9577\u4f7f\u7528\u58fd\u547d\u3002.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u7d50\u69cb\u5dee\u7570<\/h2>\n\n\n\n<p><strong>O \u5f62\u74b0<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7c21\u55ae\u7684\u5713\u5f62\u622a\u9762<\/li>\n\n\n\n<li>\u901a\u5e38\u7531 NBR\u3001FKM \u6216 EPDM \u7b49\u5f48\u6027\u9ad4\u88fd\u6210<\/li>\n\n\n\n<li>\u8a2d\u8a08\u7528\u58d3\u7e2e\u529b\u5728\u58d3\u84cb\u4e2d\u5bc6\u5c01<\/li>\n<\/ul>\n\n\n\n<p><strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>U \u5f62\u6a6b\u622a\u9762\uff0c\u5177\u6709\u4e2d\u7a7a\u7a7a\u8154\u548c\u5507\u908a<\/li>\n\n\n\n<li>\u901a\u5e38\u70ba\u5f48\u7c27\u5f0f\u6216\u55ae\u6ed1\u5f0f\uff0c\u4ee5\u52a0\u5f37\u63a5\u89f8\u6548\u679c<\/li>\n\n\n\n<li>\u4f7f\u7528\u5f48\u6027\u9ad4\u6216 PTFE \u6750\u6599\u88fd\u6210<\/li>\n\n\n\n<li>\u8a2d\u8a08\u7528\u4f86\u5c0d\u6d3b\u585e\u687f\u6216\u6d3b\u585e\u8868\u9762\u9032\u884c\u52d5\u614b\u5bc6\u5c01<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u8ca0\u8f09\u80fd\u529b\u6bd4\u8f03<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u9ede<\/th><th>O \u5f62\u74b0<\/th><th>U-Cup \u5bc6\u5c01\u4ef6<\/th><\/tr><\/thead><tbody><tr><td>\u64cd\u4f5c\u58d3\u529b<\/td><td>\u4e2d\u5ea6\u81f3\u9ad8\u5ea6\uff08\u9ad8\u9054 50-60 MPa\uff09<\/td><td>\u9ad8\uff08\u5099\u7528\u74b0\u53ef\u9054 70-80 MPa\uff09<\/td><\/tr><tr><td>\u8ca0\u8f09\u652f\u63f4<\/td><td>\u53d7\u6a6b\u622a\u9762\u7a4d\u9650\u5236<\/td><td>\u85c9\u7531\u5507\u908a\u8a2d\u8a08\u66f4\u4f73\u5730\u5206\u6563\u8ca0\u8f09<\/td><\/tr><tr><td>\u52d5\u614b\u8ca0\u8f09\u6027\u80fd<\/td><td>\u4e2d\u5ea6<\/td><td>\u512a\u7570\u7684\u5f80\u5fa9\u904b\u52d5\u6027\u80fd<\/td><\/tr><tr><td>\u6469\u64e6\u529b<\/td><td>\u4f4e\u5ea6\u81f3\u4e2d\u5ea6<\/td><td>\u56e0\u5507\u90e8\u63a5\u89f8\u800c\u7565\u9ad8<\/td><\/tr><tr><td>\u8ef8\u5411\u79fb\u52d5\u516c\u5dee<\/td><td>\u4e2d\u5ea6<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u9069\u7528\u5a92\u9ad4<\/td><td>\u6db2\u58d3\u6d41\u9ad4\u3001\u7a7a\u6c23\u3001\u6c34<\/td><td>\u6db2\u58d3\u6cb9\u3001\u6f64\u6ed1\u5291\u3001\u7a7a\u6c23<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u5de5\u7a0b\u6d1e\u5bdf\u529b\uff1a<\/strong><br>U-cup \u5bc6\u5c01\u4ef6\u56e0\u5176\u5507\u5f62\u8a2d\u8a08\u53ef\u627f\u53d7\u8f03\u9ad8\u7684\u52d5\u614b\u8ca0\u8377\uff0c\u800c O \u5f62\u5708\u5247\u8f03\u70ba\u7c21\u55ae\u3001\u7dca\u6e4a\uff0c\u4f46\u4e0d\u592a\u9069\u5408\u9ad8\u58d3\u52d5\u614b\u61c9\u7528\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u6297\u6f0f\u96fb\u6027<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O \u5f62\u74b0<\/strong> \u4f9d\u9760\u58d3\u7e2e\u58d3\u84cb\u4f86\u4fdd\u6301\u5bc6\u5c01\u3002\u5728\u975c\u614b\u689d\u4ef6\u4e0b\uff0c\u5b83\u5011\u975e\u5e38\u6709\u6548\uff0c\u4f46\u52d5\u614b\u61c9\u7528\u5247\u53ef\u80fd\u5c0e\u81f4\u64e0\u51fa\u6216\u78e8\u640d\u3002.<\/li>\n\n\n\n<li><strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong> \u5728\u52d5\u614b\u7cfb\u7d71\u4e2d\u63d0\u4f9b\u66f4\u5f37\u7684\u6297\u6d29\u6f0f\u80fd\u529b\u3002\u5507\u5f62\u8a2d\u8a08\u53ef\u8b93\u5bc6\u5c01\u4ef6\u5728\u4e0d\u540c\u58d3\u529b\u548c\u52d5\u4f5c\u4e0b\u4fdd\u6301\u63a5\u89f8\uff0c\u6e1b\u5c11\u6d3b\u585e\u548c\u6d3b\u585e\u687f\u61c9\u7528\u4e2d\u7684\u6d29\u6f0f\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u6eab\u5ea6\u8207\u5316\u5b78\u76f8\u5bb9\u6027<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u9ede<\/th><th>O \u5f62\u74b0<\/th><th>U-Cup \u5bc6\u5c01\u4ef6<\/th><\/tr><\/thead><tbody><tr><td>\u6eab\u5ea6\u7bc4\u570d<\/td><td>-40\u00b0C \u81f3 200\u00b0C\uff08\u8996\u6750\u8cea\u800c\u5b9a\uff09<\/td><td>-30\u00b0C \u81f3 250\u00b0C\uff08\u5f48\u6027\u9ad4\u6216 PTFE \u8b8a\u9ad4\uff09<\/td><\/tr><tr><td>\u8010\u5316\u5b78\u6027<\/td><td>\u4e2d\u5ea6\u81f3\u9ad8\u5ea6\uff08\u53d6\u6c7a\u65bc\u6750\u6599\uff09<\/td><td>\u9ad8\uff08\u7279\u5225\u662f PTFE \u6216\u5f37\u5316\u7684\u5f48\u6027\u9ad4\uff09<\/td><\/tr><tr><td>\u5a92\u9ad4\u9069\u7528\u6027<\/td><td>\u6db2\u58d3\u6cb9\u3001\u6c34\u3001\u7a7a\u6c23<\/td><td>\u6db2\u58d3\u6cb9\u3001\u6f64\u6ed1\u5291\u3001\u5316\u5b78\u54c1\u3001\u7a7a\u6c23<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u95dc\u9375\u9ede\uff1a<\/strong> U-cup \u5bc6\u5c01\u4ef6\uff0c\u5c24\u5176\u662f\u7531 PTFE \u88fd\u6210\u7684 U-cup \u5bc6\u5c01\u4ef6\uff0c\u8207\u6a19\u6e96\u7684\u5f48\u6027\u9ad4 O \u5f62\u5708\u76f8\u6bd4\uff0c\u5177\u6709\u66f4\u512a\u7570\u7684\u8010\u5316\u5b78\u6027\u548c\u9ad8\u6eab\u6027\u80fd\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u61c9\u7528<\/h2>\n\n\n\n<p><strong>O \u5f62\u74b0<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6db2\u58d3\u7f38\u548c\u95a5\u4e2d\u7684\u975c\u614b\u5bc6\u5c01\u4ef6<\/li>\n\n\n\n<li>\u7ba1\u63a5\u982d\u548c\u914d\u4ef6<\/li>\n\n\n\n<li>\u4f4e\u81f3\u4e2d\u7b49\u58d3\u529b\u7cfb\u7d71<\/li>\n<\/ul>\n\n\n\n<p><strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d3b\u585e\u548c\u6d3b\u585e\u687f\u7684\u52d5\u614b\u5bc6\u5c01<\/li>\n\n\n\n<li>\u9ad8\u58d3\u6db2\u58d3\u7cfb\u7d71<\/li>\n\n\n\n<li>\u5f80\u5fa9\u904b\u52d5\u7684\u5de5\u696d\u6c23\u7f38<\/li>\n\n\n\n<li>\u5728\u53ef\u8b8a\u8ca0\u8f09\u4e0b\u8981\u6c42\u6700\u5c0f\u6f0f\u96fb\u7684\u61c9\u7528<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6.\u4fdd\u990a\u8207\u4f7f\u7528\u58fd\u547d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O \u5f62\u74b0<\/strong>:\u6613\u65bc\u66f4\u63db\u3001\u7d50\u69cb\u7dca\u6e4a\uff0c\u4f46\u5728\u52d5\u614b\u61c9\u7528\u6216\u64e0\u58d3\u4e0b\u6703\u5feb\u901f\u78e8\u640d\u3002.<\/li>\n\n\n\n<li><strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong>:\u5b89\u88dd\u7a0d\u70ba\u8907\u96dc\uff0c\u4f46\u5728\u5f80\u5fa9\u548c\u9ad8\u58d3\u689d\u4ef6\u4e0b\u58fd\u547d\u66f4\u9577\uff0c\u6f64\u6ed1\u6548\u679c\u66f4\u597d\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7.\u6210\u672c\u8003\u616e<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O \u5f62\u74b0\u901a\u5e38\u6210\u672c\u4f4e\u4e14\u88fd\u9020\u7c21\u55ae\u3002.<\/li>\n\n\n\n<li>U-cup \u5bc6\u5c01\u4ef6\u7684\u6750\u6599\u548c\u88fd\u9020\u6210\u672c\u8f03\u9ad8\uff0c\u4f46\u5728\u52d5\u614b\u9ad8\u58d3\u7cfb\u7d71\u4e2d\u6027\u80fd\u8f03\u4f73\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7e3d\u751f\u547d\u9031\u671f\u6210\u672c<\/strong> \u5728\u9ad8\u58d3\u3001\u9ad8\u9031\u671f\u7684\u61c9\u7528\u4e2d\uff0c\u7531\u65bc\u6e1b\u5c11\u4e86\u505c\u6a5f\u6642\u9593\u548c\u7dad\u8b77\uff0cU-cup \u5bc6\u5c01\u4ef6\u66f4\u53d7\u9752\u775e\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7e3d\u7d50<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O \u5f62\u74b0<\/strong>:\u975c\u614b\u6216\u4f4e\u58d3\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\uff1b\u7c21\u55ae\u3001\u6210\u672c\u6548\u76ca\u9ad8\u3001\u5b89\u88dd\u5bb9\u6613\u3002.<\/li>\n\n\n\n<li><strong>U-Cup \u5bc6\u5c01\u4ef6<\/strong>:\u5177\u6709\u512a\u7570\u7684\u52d5\u614b\u6027\u80fd\u3001\u9ad8\u8ca0\u8f09\u80fd\u529b\u548c\u51fa\u8272\u7684\u6297\u6f0f\u6027\u80fd\uff1b\u662f\u9ad8\u58d3\u548c\u904b\u52d5\u4e0b\u6db2\u58d3\u7f38\u548c\u5de5\u696d\u6a5f\u68b0\u7684\u7406\u60f3\u9078\u64c7\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u9078\u64c7\u6b63\u78ba\u7684\u5bc6\u5c01\u985e\u578b\u53ef\u78ba\u4fdd <strong>\u7cfb\u7d71\u53ef\u9760\u5ea6\u3001\u964d\u4f4e\u6ef2\u6f0f\u53ca\u5ef6\u9577\u4f7f\u7528\u58fd\u547d<\/strong>, \uff0c\u512a\u5316\u5de5\u696d\u904b\u4f5c\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sealing components are crucial in hydraulic, pneumatic, and industrial systems. Among the most widely used are O-rings and U-cup seals. While both prevent fluid leakage, they differ in design, load capacity, leakage resistance, and suitability for various applications. Selecting the right seal ensures system efficiency, safety, and long service life. 1. Structural Differences O-Rings: U-Cup [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[26],"tags":[838,1070,1138,1145,1086,1006,1141,1144,1139,1142,845,1143,837,1140],"class_list":["post-1797","post","type-post","status-publish","format-standard","hentry","category-product-knowledge","tag-dynamic-sealing","tag-elastomer-seal","tag-high-pressure-seal-2","tag-hydraulic-cylinder-seal","tag-hydraulic-seal","tag-industrial-sealing-solutions","tag-leakage-resistant-seal","tag-load-capacity-seal","tag-o-ring-seal","tag-piston-seal","tag-ptfe-seal","tag-rod-seal","tag-static-sealing","tag-u-cup-seal"],"_links":{"self":[{"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/posts\/1797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/comments?post=1797"}],"version-history":[{"count":2,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/posts\/1797\/revisions"}],"predecessor-version":[{"id":1799,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/posts\/1797\/revisions\/1799"}],"wp:attachment":[{"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/media?parent=1797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/categories?post=1797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wonzh.com\/zh\/wp-json\/wp\/v2\/tags?post=1797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}