{"id":56930,"date":"2026-09-23T23:43:14","date_gmt":"2026-09-23T23:43:14","guid":{"rendered":"https:\/\/zobai.com\/?p=56930"},"modified":"2026-10-27T10:42:03","modified_gmt":"2026-10-27T10:42:03","slug":"single-psv-vs-dual-psv-when-redundancy-changes-the-relief-design","status":"publish","type":"post","link":"https:\/\/zobai.com\/zh\/blog\/single-psv-vs-dual-psv-when-redundancy-changes-the-relief-design\/","title":{"rendered":"\u5355\u53f0 PSV \u4e0e\u53cc\u53f0 PSV\uff1a\u5197\u4f59\u4f55\u65f6\u6539\u53d8\u6cc4\u653e\u8bbe\u8ba1"},"content":{"rendered":"<style>\n.zobai-psv-comparison { max-width: 100%; overflow-wrap: anywhere; }\n.zobai-psv-comparison .zobai-table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5rem 0; }\n.zobai-psv-comparison .zobai-table-wrap table { width: 100%; min-width: 680px; border-collapse: collapse; }\n.zobai-psv-comparison .zobai-table-wrap th, .zobai-psv-comparison .zobai-table-wrap td { padding: 0.75rem; text-align: left; vertical-align: top; border: 1px solid currentColor; }\n.zobai-psv-comparison .zobai-note { margin: 1.5rem 0; padding: 1rem 1.25rem; border-left: 3px solid currentColor; }\n.zobai-psv-comparison .zobai-cta { margin-top: 2rem; padding: 1.25rem; border: 1px solid currentColor; }\n.zobai-psv-comparison .zobai-cta p:last-child { margin-bottom: 0; }\n@media (max-width: 390px) { .zobai-psv-comparison .zobai-table-wrap { margin-left: 0; margin-right: 0; } .zobai-psv-comparison .zobai-note, .zobai-psv-comparison .zobai-cta { padding: 1rem; } }\n<\/style>\n<article class=\"zobai-psv-comparison\">\n<p class=\"translation-block\"><strong>\u53cc PSV \u5e03\u7f6e\u5e76\u4e0d\u81ea\u52a8\u7b49\u4e8e\u5355 PSV \u5e03\u7f6e\u7684\u5197\u4f59\u65b9\u6848<\/strong>\u3002<br>\n\u7b2c\u4e8c\u53f0\u9600\u95e8\u53ef\u80fd\u662f\u5728\u7ef4\u62a4\u671f\u95f4\u63d0\u4f9b\u5907\u7528\u6cc4\u653e\u901a\u9053\u7684\u5907\u7528\u88c5\u7f6e\uff0c\u4e5f\u53ef\u80fd\u662f\u8ba1\u5165\u6240\u9700\u6cc4\u653e\u80fd\u529b\u7684\u53e6\u4e00\u53f0\u5728\u7528\u88c5\u7f6e\uff0c\u6216\u662f\u5206\u7ea7\u591a\u9600\u6cc4\u653e\u65b9\u6848\u7684\u4e00\u90e8\u5206\u3002<br>\n\u8fd9\u4e09\u79cd\u7528\u9014\u4e0d\u80fd\u76f8\u4e92\u6df7\u540c\u3002<\/p>\n<p>\n    \u56e0\u6b64\uff0c\u8bbe\u8ba1\u5ba1\u67e5\u987b\u4ece\u4fdd\u62a4\u529f\u80fd\u5165\u624b\uff0c\u800c\u975e\u4ece\u9600\u95e8\u6570\u91cf\u5165\u624b\u3002\u5982\u679c\u7b2c\u4e8c\u53f0 PSV<br \/>\n    \u627f\u62c5\u90e8\u5206\u6392\u91cf\uff0c\u5ba1\u67e5\u91cd\u70b9\u5c31\u8f6c\u5411\u6392\u91cf\u5206\u914d\u3001\u8ba4\u8bc1\u6cc4\u653e\u80fd\u529b\uff0c\u4ee5\u53ca\u9002\u7528\u7684<br \/>\n    \u591a\u88c5\u7f6e\u538b\u529b\u4f9d\u636e\u3002\u5982\u679c\u5b83\u662f\u5907\u7528\u88c5\u7f6e\uff0c\u5173\u952e\u95ee\u9898\u5219\u662f\u5207\u6362\u3001\u9694\u79bb\uff0c\u4ee5\u53ca<br \/>\n    \u7ef4\u62a4\u671f\u95f4\u4ecd\u6709\u54ea\u4e9b\u4fdd\u62a4\u63aa\u65bd\u5728\u8d77\u4f5c\u7528\u3002\u5982\u679c\u9600\u95e8\u5171\u7528\u5165\u53e3\u6b67\u7ba1\u6216\u6392\u653e\u603b\u7ba1\uff0c\u7ba1\u8def<br \/>\n    \u53ef\u80fd\u4f7f\u4e24\u53f0\u9600\u95e8\u7684\u52a8\u4f5c\u76f8\u4e92\u5f71\u54cd\uff0c\u5373\u4f7f\u5b83\u4eec\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u9600\u4f53\u3002\n  <\/p>\n<p class=\"translation-block\">\u4ec5\u51ed\u663e\u793a\u4e24\u53f0\u6cc4\u538b\u9600\u7684\u7ba1\u9053\u53ca\u4eea\u8868\u6d41\u7a0b\u56fe\uff08P&amp;ID\uff09\uff0c\u65e0\u6cd5\u5224\u65ad\u54ea\u4e9b\u6cc4\u653e\u80fd\u529b\u88ab\u8ba1\u5165\u8ba1\u7b97\u3001\u4e00\u53f0\u88c5\u7f6e\u4e0d\u53ef\u7528\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\uff0c\u6216\u4e24\u6761\u6cc4\u653e\u8def\u5f84\u662f\u5426\u5728\u6c34\u529b\u4e0a\u76f8\u4e92\u72ec\u7acb\u3002<br>\n\u56e0\u6b64\uff0c\u6709\u610f\u4e49\u7684\u6bd4\u8f83\u4e0d\u53ea\u662f<br>\n<strong>\u201c\u4e00\u53f0 PSV \u4e0e\u4e24\u53f0 PSV\u201d<\/strong>\u7684\u6570\u91cf\u6bd4\u8f83\uff0c\u800c\u662f\uff1a<strong>\u7b2c\u4e8c\u53f0 PSV \u5e94\u627f\u62c5\u4ec0\u4e48\u529f\u80fd\uff1f<br>\n\u4fdd\u62a4\u7cfb\u7edf\u7684\u54ea\u4e9b\u90e8\u5206\u56e0\u6b64\u9700\u8981\u6539\u53d8\uff1f<\/strong><\/p>\n<aside class=\"zobai-note\">\n<p class=\"translation-block\">\u5728\u672c\u6587\u4e2d\uff0c<strong>PSV<\/strong> \u4ec5\u4f5c\u4e3a\u6240\u8ba8\u8bba\u538b\u529b\u6cc4\u653e\u88c5\u7f6e\u7684\u5b9e\u7528\u7b80\u79f0\u3002<br>\n      \u6839\u636e\u9002\u7528\u89c4\u8303\u3001\u4f7f\u7528\u5de5\u51b5\u548c\u88c5\u7f6e\u8bbe\u8ba1\u7684\u4e0d\u540c\uff0c\u5404\u9879\u76ee\u5bf9 pressure relief valve\u3001safety valve \u548c safety relief valve \u7b49\u82f1\u6587\u672f\u8bed\u7684\u4f7f\u7528\u53ef\u80fd\u6709\u6240\u533a\u522b\u3002<br>\n      \u5bf9\u4e8e\u5b9e\u9645\u5de5\u7a0b\u8bbe\u8ba1\uff0c\u4ecd\u987b\u4ee5\u8bbe\u5907\u9002\u7528\u7684\u89c4\u8303\u3001\u9879\u76ee\u6280\u672f\u89c4\u683c\u3001\u5177\u4f53\u88c5\u7f6e\u7c7b\u578b<br>\n      \u4ee5\u53ca\u6240\u5728\u53f8\u6cd5\u7ba1\u8f96\u533a\u7684\u76f8\u5173\u8981\u6c42\u4e3a\u51c6\u3002<\/p>\n<\/aside>\n<section aria-labelledby=\"why-second-psv\">\n<h2 id=\"why-second-psv\">\u4e3a\u4ec0\u4e48\u8bbe\u7f6e\u7b2c\u4e8c\u53f0 PSV\uff1f<\/h2>\n<p>\n      \u5728\u4e3a\u53cc PSV \u7cfb\u7edf\u5b9a\u5f84\u6216\u7f16\u5236\u6280\u672f\u89c4\u683c\u524d\uff0c\u987b\u5148\u786e\u5b9a\u7b2c\u4e8c\u53f0\u88c5\u7f6e\u7684\u7528\u9014\u3002\u4e09\u79cd\u5e03\u7f6e<br \/>\n      \u5728\u7b80\u5316\u56fe\u7eb8\u4e0a\u90fd\u53ef\u80fd\u770b\u4f3c\u201c\u53cc PSV\u201d\u7cfb\u7edf\uff0c\u4f46\u6240\u6d89\u53ca\u7684\u5de5\u7a0b\u95ee\u9898\u5e76\u4e0d\u76f8\u540c\u3002\n    <\/p>\n<p>\n      <strong>\u4e00\u7528\u4e00\u5907\u3002<\/strong> \u4e00\u53f0 PSV \u662f\u5728\u7528\u7684\u6cc4\u653e\u8def\u5f84\uff0c\u53e6\u4e00\u53f0\u5219\u7528\u4e8e\u5728\u9002\u5f53\u5207\u6362\u5e03\u7f6e\u4e0b\uff0c\u4f7f\u524d\u8005\u80fd\u591f<br \/>\n      \u63a5\u53d7\u68c0\u67e5\u6216\u7ef4\u62a4\u3002\u5de5\u7a0b\u76ee\u6807\u662f\u4fdd\u6301\u4e00\u6761\u5408\u683c\u6cc4\u653e\u8def\u5f84\u7684\u53ef\u7528\u6027\uff0c<br \/>\n      \u800c\u4e0d\u4e00\u5b9a\u662f\u589e\u52a0\u6240\u9700\u6cc4\u653e\u80fd\u529b\u3002\n    <\/p>\n<p>\n      <strong>\u591a\u53f0 PSV \u540c\u65f6\u5728\u7528\u3002<\/strong> \u4e24\u53f0\u88c5\u7f6e\u7684\u6cc4\u653e\u80fd\u529b\u90fd\u88ab\u8ba1\u5165\u53d7\u4fdd\u62a4\u7cfb\u7edf\u7684\u53ef\u7528\u80fd\u529b\u3002<br \/>\n      \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u82e5\u79fb\u9664\u5176\u4e2d\u4e00\u53f0\u9600\u95e8\uff0c\u53ef\u7528\u7684\u8ba1\u5165\u6392\u91cf\u53ef\u80fd\u4f4e\u4e8e\u6240\u9700\u6cc4\u653e\u80fd\u529b\uff0c\u9664\u975e<br \/>\n      \u8bbe\u8ba1\u65f6\u6709\u610f\u9884\u7559\u4e86\u989d\u5916\u80fd\u529b\u3002\n    <\/p>\n<p>\n      <strong>\u5206\u7ea7\u591a\u9600\u6cc4\u653e\u3002<\/strong> \u591a\u53f0\u88c5\u7f6e\u53c2\u4e0e\u4fdd\u62a4\u7b56\u7565\uff0c\u4f46<br \/>\n      \u5404\u88c5\u7f6e\u4e0d\u4e00\u5b9a\u5728\u76f8\u540c\u538b\u529b\u6761\u4ef6\u4e0b\u5f00\u59cb\u6cc4\u653e\u3002\u4efb\u4f55\u9519\u5f00\u6574\u5b9a\u538b\u529b\u7684<br \/>\n      \u5e03\u7f6e\u90fd\u987b\u9075\u5faa\u9002\u7528\u7684\u5efa\u9020\u89c4\u8303\u548c\u9879\u76ee\u4f9d\u636e\uff1b\u672c\u6587\u4e0d\u80fd\u7528\u4e00\u6761<br \/>\n      \u901a\u7528\u767e\u5206\u6bd4\u89c4\u5219\u4ee3\u66ff\u8be5\u9879\u5ba1\u67e5\u3002\n    <\/p>\n<p>\n      \u8fd9\u4e9b\u5e03\u7f6e\u4e0d\u80fd\u4e92\u6362\u3002\u4e00\u7528\u4e00\u5907\u5e03\u7f6e\u4e3b\u8981\u5173\u6ce8<br \/>\n      <strong>\u7ef4\u62a4\u671f\u95f4\u7684\u53ef\u7528\u6027<\/strong>\uff1b\u591a\u53f0\u88c5\u7f6e\u540c\u65f6\u5728\u7528\u7684\u5e03\u7f6e\u4e3b\u8981\u5173\u6ce8<br \/>\n      <strong>\u5982\u4f55\u63d0\u4f9b\u6240\u9700\u7684\u6cc4\u653e\u80fd\u529b<\/strong>\uff1b\u5206\u7ea7\u6cc4\u653e\u5e03\u7f6e\u8fd8\u8981\u56de\u7b54\u53e6\u4e00\u4e2a\u95ee\u9898\uff1a<br \/>\n      \u968f\u7740\u538b\u529b\u5347\u9ad8\uff0c\u5404\u88c5\u7f6e\u9884\u671f\u5982\u4f55\u4f9d\u6b21\u6295\u5165\u6cc4\u653e\u3002\n    <\/p>\n<p>\n      \u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u6cc4\u538b\u5206\u6790\u3001\u9600\u95e8\u6570\u636e\u8868\u3001\u6574\u5b9a\u538b\u529b\u6e05\u5355\u3001\u7ba1\u9053\u53ca\u4eea\u8868\u6d41\u7a0b\u56fe\uff08P&amp;ID\uff09\uff0c\u4ee5\u53ca\u8fd0\u884c\uff0f\u7ef4\u62a4\u7b56\u7565\uff0c\u5fc5\u987b<br \/>\n      \u76f8\u4e92\u4e00\u81f4\u3002\u5982\u679c\u56fe\u7eb8\u5199\u7740\u201c\u4e24\u53f0 PSV\u201d\uff0c\u4f46\u8ba1\u7b97\u4e66\u6ca1\u6709\u8bf4\u660e\u662f\u5426\u5c06\u4e24\u53f0\u9600\u95e8\u7684\u6392\u91cf\u90fd<br \/>\n      \u8ba1\u5165\uff0c\u4fdd\u62a4\u67b6\u6784\u4ecd\u672a\u786e\u5b9a\u3002\n    <\/p>\n<p>\n      <strong>\u7b2c\u4e00\u4e2a\u8bbe\u8ba1\u95ee\u9898\uff1a<\/strong> \u5982\u679c\u4ece\u56fe\u7eb8\u4e2d\u53bb\u6389\u7b2c\u4e8c\u53f0 PSV\uff0c\u4f1a\u5931\u53bb\u4ec0\u4e48\u5fc5\u8981\u529f\u80fd<br \/>\n      \uff1f\n    <\/p>\n<ul>\n<li>\u65e0\u6cd5\u518d\u63d0\u4f9b\u5168\u90e8\u6240\u9700\u6cc4\u653e\u80fd\u529b\u3002<\/li>\n<li>\u7ef4\u62a4\u65f6\u65e0\u6cd5\u4fdd\u6301\u4e00\u6761\u5728\u7528\u6cc4\u653e\u8def\u5f84\u3002<\/li>\n<li>\u9884\u671f\u7684\u5206\u7ea7\u6cc4\u653e\u7b56\u7565\u5c06\u4e0d\u590d\u5b58\u5728\u3002<\/li>\n<li>\u6ca1\u6709\u91cd\u8981\u529f\u80fd\u53d7\u5f71\u54cd\uff1b\u5982\u662f\u8fd9\u6837\uff0c\u5c31\u987b\u91cd\u65b0\u8003\u8651\u8bbe\u7f6e\u7b2c\u4e8c\u53f0\u88c5\u7f6e\u7684\u7406\u7531\u3002<\/li>\n<\/ul>\n<p>\u7b54\u6848\u51b3\u5b9a\u4e0b\u4e00\u6b65\u5e94\u91cd\u70b9\u68c0\u67e5\u54ea\u4e9b\u8bbe\u8ba1\u4e8b\u9879\u3002<\/p>\n<figure class=\"wp-block-image size-full zobai-figure\" data-image-slot=\"IMG-01\"><img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01.webp\" alt=\"\u5355\u53f0 PSV\u3001\u4e00\u7528\u4e00\u5907\u3001\u591a\u53f0\u540c\u65f6\u6cc4\u653e\u53ca\u5206\u7ea7\u6cc4\u538b\u914d\u7f6e\u7684\u6982\u5ff5\u6027\u5bf9\u6bd4\u3002\" title=\"Single PSV vs Dual PSV: When Redundancy Changes the Relief Design - IMG-01\" width=\"1200\" height=\"900\" class=\"wp-image-56941\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-01-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>\u5355\u53f0 PSV\u3001\u4e00\u7528\u4e00\u5907\u3001\u591a\u53f0\u540c\u65f6\u6cc4\u653e\u53ca\u5206\u7ea7\u6cc4\u538b\u914d\u7f6e\u7684\u6982\u5ff5\u6027\u5bf9\u6bd4\u3002<\/figcaption><\/figure>\n<\/section>\n<section aria-labelledby=\"does-two-create-redundancy\">\n<h2 id=\"does-two-create-redundancy\">\u88c5\u4e86\u4e24\u53f0 PSV\uff0c\u771f\u7684\u5c31\u6709\u5197\u4f59\u5417\uff1f<\/h2>\n<p><strong>\u5e76\u975e\u5982\u6b64\u3002<\/strong><\/p>\n<p>\n      \u5728\u672c\u6587\u4e2d\uff0c <strong>\u529f\u80fd\u5197\u4f59<\/strong> \u662f\u6307\u5f53\u4e00\u53f0\u6cc4\u538b\u88c5\u7f6e\u4e0d\u53ef\u7528\u65f6\uff0c\u65e2\u5b9a\u7684\u8d85\u538b\u4fdd\u62a4\u529f\u80fd<br \/>\n      \u4ecd\u7136\u53ef\u7528\uff0c\u4e14\u6240\u9700\u6392\u91cf\u3001\u5728\u7528\u6d41\u8def\u53ca\u9002\u7528\u7684<br \/>\n      \u9879\u76ee\u6216\u89c4\u8303\u4f9d\u636e\u4ecd\u5f97\u5230\u6ee1\u8db3\u3002\u8fd9\u662f\u672c\u6587\u4f7f\u7528\u7684\u5de5\u7a0b\u7b5b\u67e5\u6846\u67b6\uff0c\u5e76\u975e API \u6216<br \/>\n      ASME \u7684\u5206\u7c7b\u3002\n    <\/p>\n<p>\u6700\u76f4\u63a5\u7684\u68c0\u9a8c\uff0c\u662f\u8bbe\u60f3\u5c06\u4e00\u53f0 PSV \u9000\u51fa\u8fd0\u884c\uff0c\u7136\u540e\u95ee\uff1a<\/p>\n<ol>\n<li>\u90a3\u53f0\u88c5\u7f6e\u539f\u672c\u63d0\u4f9b\u4ec0\u4e48\u4fdd\u62a4\u529f\u80fd\uff1f<\/li>\n<li>\u8fd8\u6709\u54ea\u6761\u5408\u683c\u7684\u6cc4\u653e\u8def\u5f84\u4fdd\u6301\u8fde\u901a\uff1f<\/li>\n<li>\u5269\u4f59\u5e03\u7f6e\u5bf9\u6240\u8bc4\u4f30\u5de5\u51b5\u4ecd\u80fd\u63d0\u4f9b\u6240\u9700\u6cc4\u653e\u80fd\u529b\u5417\uff1f<\/li>\n<li>\u5b83\u7684\u5165\u53e3\u8def\u5f84\u4ecd\u53ef\u63a5\u53d7\u5417\uff1f<\/li>\n<li>\u5b83\u7684\u6392\u653e\u8def\u5f84\u4ecd\u53ef\u63a5\u53d7\u5417\uff1f<\/li>\n<li>\u63a7\u5236\u6027\u9879\u76ee\u4f9d\u636e\u548c\u89c4\u8303\u662f\u5426\u5141\u8bb8\u8fd9\u79cd\u8fd0\u884c\u72b6\u6001\uff1f<\/li>\n<\/ol>\n<p>\n      \u5982\u679c\u8fd9\u4e9b\u95ee\u9898\u5c1a\u672a\u89e3\u51b3\uff0c\u4ec5\u6709\u4e24\u53f0\u5df2\u5b89\u88c5\u9600\u95e8\uff0c\u4e0d\u8db3\u4ee5\u8bc1\u660e\u5e03\u7f6e\u5177\u6709\u5197\u4f59\u6027\u3002\n    <\/p>\n<p>\n      <strong>\u5171\u540c\u627f\u62c5\u6392\u91cf\u5e76\u4e0d\u7b49\u4e8e\u6709\u5907\u7528\u6392\u91cf\u3002<\/strong> \u5982\u679c\u4e24\u53f0\u5728\u7528 PSV \u5171\u540c\u6ee1\u8db3\u6240\u9700\u7684<br \/>\n      \u6cc4\u653e\u4efb\u52a1\uff0c\u90a3\u4e48\u4e24\u53f0\u5747\u53ef\u7528\u65f6\uff0c\u7ec4\u5408\u5e03\u7f6e\u53ef\u80fd\u6ee1\u8db3\u8be5\u4efb\u52a1\uff1b\u4f46\u5728<br \/>\n      \u4e00\u53f0\u88c5\u7f6e\u9000\u51fa\u540e\u5c31\u53ef\u80fd\u4e0d\u518d\u6ee1\u8db3\u3002\u6b64\u65f6\u867d\u7136\u6709\u591a\u53f0\u6cc4\u653e\u88c5\u7f6e\uff0c\u5374\u4e0d\u4e00\u5b9a\u5b58\u5728\u4e00\u6761\u5177\u5907\u5b8c\u6574\u5907\u7528\u6392\u91cf\u7684\u8def\u5f84\u3002\n    <\/p>\n<p>\n      \u4e00\u7528\u4e00\u5907\u5e03\u7f6e\u53ef\u4ee5\u4fdd\u7559\u53e6\u4e00\u6761\u9600\u95e8\u8def\u5f84\uff0c\u4f46\u8fd9\u4e9b\u88c5\u7f6e\u4ecd\u53ef\u80fd\u5171\u7528\u5bb9\u5668\u63a5\u53e3\u3001<br \/>\n      \u5165\u53e3\u6b67\u7ba1\u3001\u5207\u6362\u88c5\u7f6e\u3001\u4e0b\u6e38\u7ba1\u9053\u6216\u5171\u7528\u6cc4\u653e\u603b\u7ba1\u3002\u8fd9\u4e9b\u5171\u7528\u90e8\u5206\u662f\u6f5c\u5728\u7684\u5171\u540c<br \/>\n      \u4f9d\u8d56\u73af\u8282\uff0c\u5fc5\u987b\u7eb3\u5165\u5197\u4f59\u6027\u5ba1\u67e5\u3002\n    <\/p>\n<aside class=\"zobai-note\">\n<p>\n        <strong>\u5de5\u7a0b\u793a\u4f8b\u60c5\u666f\u3002<\/strong> \u56fe\u7eb8\u4e0a\u4e24\u53f0 PSV \u5e76\u8054\uff0c\u9879\u76ee\u56e2\u961f\u79f0<br \/>\n        \u5176\u4e3a\u201c\u5197\u4f59\u201d\u3002\u4f46\u63a7\u5236\u6027\u5de5\u51b5\u7684\u6cc4\u653e\u8ba1\u7b97\u8ba1\u5165\u4e86\u4e24\u53f0\u9600\u95e8\u7684\u5408\u8ba1\u6392\u91cf\u3002<br \/>\n        \u5982\u679c\u79fb\u9664\u5176\u4e2d\u4e00\u53f0\uff0c\u53e6\u4e00\u53f0\u7684\u8ba4\u8bc1\u6392\u91cf\u4e0d\u518d\u8986\u76d6\u8be5\u6cc4\u653e\u4efb\u52a1\u3002\u8fd9\u4e00\u5bf9\u9600\u95e8\u53ef\u80fd\u662f\u6709\u6548\u7684<br \/>\n        \u591a\u88c5\u7f6e\u5171\u540c\u4f9b\u7ed9\u6392\u91cf\u5e03\u7f6e\uff0c\u4f46\u5bf9\u8be5\u5de5\u51b5\u800c\u8a00\uff0c\u5e76\u975e\u5177\u5907\u5b8c\u6574\u5907\u7528\u6392\u91cf\u7684\u5197\u4f59\u5e03\u7f6e\u3002\u907f\u514d\u8bef\u5224\u7684\u65b9\u6cd5<br \/>\n        \u5f88\u7b80\u5355\uff1a\u5728\u4f7f\u7528\u201c\u5197\u4f59\u201d\u4e00\u8bcd\u524d\uff0c\u5148\u660e\u786e\u5355\u53f0\u5931\u6548\u540e\u4ecd\u80fd\u4fdd\u6301\u7684\u4fdd\u62a4\u529f\u80fd\u3002\n      <\/p>\n<\/aside>\n<p>\n      <strong>\u56e0\u6b64\uff0c\u589e\u52a0\u9600\u4f53\u6570\u91cf\uff0c\u5e76\u4e0d\u7b49\u4e8e\u590d\u5236\u4e86\u6574\u6761\u4fdd\u62a4\u8def\u5f84\u3002<\/strong><br \/>\n      \u66f4\u6709\u610f\u4e49\u7684\u5197\u4f59\u95ee\u9898\u662f\uff1a <strong>\u635f\u5931\u6216\u9694\u79bb\u4e00\u53f0\u88c5\u7f6e\u540e\uff0c\u54ea\u4e9b\u5fc5\u8981\u529f\u80fd\u4ecd\u7136\u4fdd\u7559\uff1f<\/strong>\n    <\/p>\n<\/section>\n<section aria-labelledby=\"share-required-duty\">\n<h2 id=\"share-required-duty\">\u4e24\u53f0\u5728\u7528 PSV \u5171\u540c\u627f\u62c5\u6240\u9700\u6cc4\u653e\u4efb\u52a1\u65f6<\/h2>\n<p>\n      \u5982\u679c\u4e24\u53f0 PSV \u7684\u80fd\u529b\u90fd\u8ba1\u5165\u6240\u9700\u6cc4\u653e\u80fd\u529b\uff0c\u8bbe\u8ba1\u95ee\u9898\u5c31\u53d1\u751f\u4e86\u53d8\u5316\u3002\u6240\u9700\u6cc4\u653e<br \/>\n      \u4efb\u52a1\u7531\u53d7\u4fdd\u62a4\u8bbe\u5907\u548c\u9002\u7528\u7684\u8d85\u538b\u5de5\u51b5\u51b3\u5b9a\uff0c\u800c\u4e0d\u662f\u7531\u9009\u4e00\u53f0<br \/>\n      \u8fd8\u662f\u4e24\u53f0\u9600\u95e8\u51b3\u5b9a\u3002\n    <\/p>\n<p class=\"translation-block\"><a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/520parti\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">API 520 \u7b2c I \u90e8\u5206<\/a><br>\n      \u6d89\u53ca\u538b\u529b\u6cc4\u653e\u88c5\u7f6e\u7684\u5c3a\u5bf8\u8ba1\u7b97\u4e0e\u9009\u578b\uff0c\u800c<br>\n      <a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/520part-ii\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">API 520 \u7b2c II \u90e8\u5206<\/a><br>\n      \u6d89\u53ca\u5b89\u88c5\u3002<br>\n      <a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/standard521\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">API 521<\/a><br>\n      \u6d89\u53ca\u66f4\u5e7f\u6cdb\u7684\u538b\u529b\u6cc4\u653e\u4e0e\u964d\u538b\u7cfb\u7edf\u3002<br>\n      <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/bpvc-section-xiii-rules-for-overpressure-protection\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">ASME BPVC \u7b2c XIII \u5377<\/a><br>\n      \u6d89\u53ca\u8d85\u538b\u4fdd\u62a4\uff0c\u5305\u62ec\u538b\u529b\u6cc4\u653e\u88c5\u7f6e\u3001\u6cc4\u653e\u80fd\u529b\u3001\u591a\u88c5\u7f6e\u7ec4\u5408\u4f7f\u7528\u53ca\u5b89\u88c5\u3002<\/p>\n<p>\n      \u56e0\u6b64\uff0c\u6b63\u786e\u987a\u5e8f\u662f\uff1a <strong>\u6240\u9700\u6cc4\u653e\u4efb\u52a1 \u2192 \u8ba1\u5165\u7684\u88c5\u7f6e\u5e03\u7f6e \u2192 \u5404\u88c5\u7f6e\u7684\u6392\u91cf\u8d21\u732e<br \/>\n      \u2192 \u6574\u5b9a\u538b\u529b\u4f9d\u636e \u2192 \u5df2\u5b89\u88c5\u7cfb\u7edf\u7684\u6838\u67e5<\/strong>\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u53ef\u4ee5\u7b80\u5355\u5730\u5c06<br \/>\n      \u4efb\u52a1\u6309\u9600\u95e8\u6570\u91cf\u5e73\u5747\u5206\u914d\u3002\n    <\/p>\n<div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Dual PSV capacity design questions\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u8bbe\u8ba1\u95ee\u9898<\/th>\n<th scope=\"col\">\u5fc5\u987b\u786e\u5b9a\u7684\u5185\u5bb9<\/th>\n<th scope=\"col\">\u4e0d\u8981\u5047\u5b9a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6240\u9700\u6cc4\u653e\u91cf<\/td>\n<td>\u63a7\u5236\u6027\u6cc4\u653e\u5de5\u51b5\u6240\u9700\u4efb\u52a1<\/td>\n<td>\u4e24\u53f0\u9600\u95e8\u610f\u5473\u7740\u6240\u9700\u6392\u91cf\u7ffb\u500d<\/td>\n<\/tr>\n<tr>\n<td>\u6392\u91cf\u8d21\u732e<\/td>\n<td>\u6bcf\u53f0\u88c5\u7f6e\u8ba1\u5165\u7684\u6392\u91cf<\/td>\n<td>\u9ed8\u8ba4\u6309 50\/50 \u5206\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u6574\u5b9a\u538b\u529b\u4f9d\u636e<\/td>\n<td>\u9002\u7528\u7684\u591a\u88c5\u7f6e\u5e03\u7f6e<\/td>\n<td>\u4e24\u53f0\u88c5\u7f6e\u7684\u6574\u5b9a\u503c\u603b\u8981\u76f8\u540c<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u53f0\u88c5\u7f6e\u4e0d\u53ef\u7528\u7684\u72b6\u6001<\/td>\n<td>\u8be5\u72b6\u6001\u4e0b\u7684\u5269\u4f59\u6392\u91cf<\/td>\n<td>\u4efb\u4e00\u53f0 PSV \u90fd\u5fc5\u7136\u80fd\u627f\u62c5\u5168\u90e8\u4efb\u52a1<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u88c5<\/td>\n<td>\u5b9e\u9645\u5165\u53e3\u548c\u51fa\u53e3\u6761\u4ef6<\/td>\n<td>\u9600\u95e8\u5b9a\u5f84\u6b63\u786e\u5c31\u80fd\u4fdd\u8bc1\u7cfb\u7edf\u6b63\u786e<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\n      <a href=\"https:\/\/www.nationalboard.org\/SiteDocuments\/NBIC%20Restricted\/SC%20PRD%20Minutes%20with%20attachments%20July%202022.pdf\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u7f8e\u56fd\u56fd\u5bb6\u9505\u7089\u548c\u538b\u529b\u5bb9\u5668\u68c0\u9a8c\u59d4\u5458\u4f1a\uff08National Board\uff09\u516c\u5f00\u7684\u6cc4\u538b\u88c5\u7f6e\u8d44\u6599<\/a><br \/>\n      \u533a\u5206\u4e86\u4e3a\u53d6\u5f97\u6240\u9700\u6392\u91cf\u800c\u8bbe\u7f6e\u591a\u53f0\u6cc4\u538b\u88c5\u7f6e\u7684\u5b89\u88c5\u60c5\u51b5\u3002\u8d44\u6599\u8fd8\u8bf4\u660e\uff0c<br \/>\n      \u5728\u9002\u7528\u5efa\u9020\u4f9d\u636e\u4e0b\uff0c\u9644\u52a0\u88c5\u7f6e\u7684\u5141\u8bb8\u6574\u5b9a\u538b\u529b\u5904\u7406\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002<br \/>\n      \u5177\u4f53\u9650\u503c\u4ecd\u53d6\u51b3\u4e8e\u63a7\u5236\u6027\u89c4\u8303\u53ca\u9879\u76ee\u8981\u6c42\u3002\n    <\/p>\n<p>\n      <strong>\u4e0d\u8981\u5047\u5b9a\u6392\u91cf\u6309 50\/50 \u5206\u914d\u3002<\/strong> \u5e73\u5747\u5206\u914d\u53ef\u80fd\u662f\u67d0\u4e2a\u5177\u4f53\u8bbe\u8ba1\u7684\u7ed3\u679c\uff0c<br \/>\n      \u4f46\u4e0d\u5e94\u4f5c\u4e3a\u9ed8\u8ba4\u5de5\u7a0b\u89c4\u5219\u3002\u540c\u6837\uff0c\u9664\u975e\u8bbe\u8ba1\u4f9d\u636e\u786e\u5b9e\u5982\u6b64\uff0c\u4e0d\u80fd\u5047\u5b9a\u4efb\u4e00\u53f0\u9600\u95e8\u90fd\u5355\u72ec<br \/>\n      \u6309\u5b8c\u6574\u7684\u63a7\u5236\u6027\u5de5\u51b5\u5b9a\u5f84\u3002\n    <\/p>\n<p>\n      \u6574\u5b9a\u538b\u529b\u3001\u8d85\u538b\u3001\u538b\u529b\u79ef\u805a\u548c\u542f\u95ed\u538b\u5dee\u76f8\u4e92\u5173\u8054\uff0c\u4f46\u542b\u4e49\u4e0d\u540c\u3002\u6574\u5b9a\u538b\u529b\u6307\u4e0e\u9600\u95e8\u89c4\u5b9a\u5f00\u542f\u7279\u6027\u5bf9\u5e94\u7684<br \/>\n      \u89c4\u5b9a\u5165\u53e3\u538b\u529b\uff1b\u542f\u95ed\u538b\u5dee\u63cf\u8ff0\u5f00\u542f\u538b\u529b\u4e0e\u56de\u5ea7\u538b\u529b\u4e4b\u5dee\u3002\u591a\u88c5\u7f6e\u5e03\u7f6e\u4e2d\uff0c\u4e0d\u5e94\u628a\u8fd9\u4e9b\u672f\u8bed\u7edf\u7edf\u5f52\u5e76\u4e3a\u4e00\u4e2a<br \/>\n      \u201c\u88d5\u91cf\u201d\u6216\u4e00\u4e2a\u901a\u7528\u767e\u5206\u6bd4\u3002\u5141\u8bb8\u7684\u76f8\u4e92\u5173\u7cfb\u5e94\u7531<br \/>\n      \u9002\u7528\u89c4\u8303\u53ca\u9879\u76ee\u4f9d\u636e\u786e\u5b9a\u3002<br \/>\n      \u8be6\u7ec6\u672f\u8bed\u8bf7\u53c2\u9605\u6240\u94fe\u63a5\u7684\u6574\u5b9a\u538b\u529b\u6307\u5357\uff0c\u672c\u6587\u4e0d\u5728\u6b64\u91cd\u590d\u5c55\u5f00\u3002\n    <\/p>\n<p>\n      \u88c5\u673a\u6cc4\u653e\u80fd\u529b\u4e0e\u6240\u9700\u6cc4\u653e\u80fd\u529b\u4e5f\u662f\u4e0d\u540c\u7684\u95ee\u9898\u3002\u7cfb\u7edf\u5b89\u88c5\u7684\u6cc4\u653e<br \/>\n      \u80fd\u529b\u53ef\u80fd\u9ad8\u4e8e\u4efb\u52a1\u6240\u9700\uff0c\u4e5f\u53ef\u80fd\u4f9d\u8d56\u4e24\u53f0\u88c5\u7f6e\u7684\u5408\u8ba1\u6392\u91cf\u624d\u80fd\u5b8c\u6210\u4efb\u52a1\u3002\u4e0e\u540d\u4e49\u8fde\u63a5\u53e3\u5f84\u76f8\u6bd4\uff0c<br \/>\n      \u6392\u91cf\u8bc1\u636e\u66f4\u91cd\u8981\uff1aNational Board \u7684<br \/>\n      <a href=\"https:\/\/www.nationalboard.org\/Index.aspx?pageID=64\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">NB-18 \u538b\u529b\u6cc4\u653e\u88c5\u7f6e\u8ba4\u8bc1\u6570\u636e\u5e93<\/a><br \/>\n      \u6b63\u662f\u4e3a\u9002\u7528\u7684\u8ba4\u8bc1\u8bbe\u8ba1\u63d0\u4f9b\u53ef\u8ffd\u6eaf\u7684\u88c5\u7f6e\uff0f\u6392\u91cf\u4fe1\u606f\u3002\n    <\/p>\n<aside class=\"zobai-note\">\n<p>\n        <strong>\u5de5\u7a0b\u793a\u4f8b\u60c5\u666f\u3002<\/strong> \u67d0\u66ff\u6362\u9879\u76ee\u6cbf\u7528\u539f\u5165\u53e3\u6cd5\u5170\u53e3\u5f84\uff0c\u5e76\u5047\u5b9a<br \/>\n        \u66ff\u6362 PSV \u7684\u6cc4\u653e\u80fd\u529b\u4e0e\u539f\u9600\u76f8\u540c\u3002\u63a5\u53e3\u867d\u7136\u5339\u914d\uff0c\u4f46\u6240\u9009\u8bbe\u8ba1\u7684\u8ba4\u8bc1<br \/>\n        \u6cc4\u653e\u80fd\u529b\u5e76\u4e0d\u76f8\u540c\u3002\u907f\u514d\u8bef\u5224\u7684\u65b9\u6cd5\uff0c\u662f\u628a\u6240\u9700\u6cc4\u653e\u4efb\u52a1<br \/>\n        \u4e0e\u5177\u4f53\u88c5\u7f6e\u6709\u6587\u4ef6\u652f\u6301\u7684\u6392\u91cf\u4f9d\u636e\u76f8\u6bd4\u8f83\uff0c\u800c\u975e\u53ea\u770b\u8fde\u63a5\u53e3\u5f84\u3002\n      <\/p>\n<\/aside>\n<p>\n      \u8be6\u7ec6\u6392\u91cf\u6838\u67e5\u6d41\u7a0b\u8bf7\u53c2\u9605<br \/>\n      <a href=\"https:\/\/zobai.com\/zh\/blog\/safety-valve-sizing-and-certified-relieving-capacity-guide\/\">\u5b89\u5168\u9600\u9009\u578b\u4e0e\u8ba4\u8bc1\u6cc4\u653e\u80fd\u529b\u6307\u5357<\/a>.\n    <\/p>\n<\/section>\n<section aria-labelledby=\"duty-standby-maintenance\">\n<h2 id=\"duty-standby-maintenance\">\u4e00\u7528\u4e00\u5907\u5982\u4f55\u6539\u53d8\u9694\u79bb\u4e0e\u7ef4\u62a4\u8bbe\u8ba1<\/h2>\n<p>\n      \u4e00\u7528\u4e00\u5907\u5e03\u7f6e\u89e3\u51b3\u7684\u662f\u53e6\u4e00\u4e2a\u95ee\u9898\u3002\u7b2c\u4e8c\u53f0 PSV \u65e8\u5728\u53e6\u4e00\u53f0\u63a5\u53d7\u68c0\u67e5\u3001\u7ef4\u4fee\u6216\u4ee5\u5176\u4ed6\u65b9\u5f0f\u9000\u51fa\u8fd0\u884c\u671f\u95f4\uff0c\u4fdd\u6301\u4e00\u6761\u53ef\u7528\u7684\u6cc4\u653e<br \/>\n      \u8def\u5f84\u3002\u56e0\u6b64\uff0c\u8bbe\u8ba1\u91cd\u70b9\u4ece\u6392\u91cf\u5206\u62c5\u8f6c\u5411<br \/>\n      \u4e0d\u540c\u8fd0\u884c\u72b6\u6001\u4e0b <strong>\u5bf9\u4fdd\u62a4\u8def\u5f84\u7684\u7ba1\u7406<\/strong>.\n    <\/p>\n<p>\n      \u5546\u4e1a\u5316\u7684\u5207\u6362\u88c5\u7f6e\u4e13\u7528\u4e8e\u5728\u5728\u7528\u4e0e\u5907\u7528\u6cc4\u538b\u88c5\u7f6e\u4e4b\u95f4\u5207\u6362\uff0c\u540c\u65f6\u4fdd\u6301\u4e00\u6761<br \/>\n      \u8d85\u538b\u4fdd\u62a4\u8def\u5f84\u3002\u4f8b\u5982\uff0c<br \/>\n      <a href=\"https:\/\/www.emerson.com\/en\/final-control\/products\/anderson-greenwood-ssv\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Emerson \u4e3a\u5176\u5207\u6362\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8fd9\u79cd\u67b6\u6784\u7684\u6587\u4ef6\u8bf4\u660e<\/a><br \/>\n      \u3002\u8be5\u4f8b\u8868\u660e\u8fd9\u79cd\u67b6\u6784\u786e\u5b9e\u5b58\u5728\uff0c\u4f46\u4e0d\u80fd\u8bc1\u660e\u6bcf\u4e00\u79cd\u53cc PSV<br \/>\n      \u5b89\u88c5\u90fd\u9002\u5408\u5728\u8fd0\u884c\u671f\u95f4\u7ef4\u62a4\u3002\n    <\/p>\n<p><strong>\u6b63\u5e38\u8fd0\u884c\u3002<\/strong> \u786e\u8ba4\u54ea\u53f0 PSV \u5728\u7528\uff0c\u4ee5\u53ca\u5b83\u6240\u8fde\u63a5\u7684\u5b8c\u6574\u5165\u53e3\u548c\u51fa\u53e3\u8def\u5f84\u3002<\/p>\n<p>\n      <strong>\u5207\u6362\u3002<\/strong> \u786e\u5b9a\u4fdd\u62a4\u529f\u80fd\u5982\u4f55\u4ece\u4e00\u53f0\u88c5\u7f6e\u8f6c\u79fb\u5230\u53e6\u4e00\u53f0\u3001\u5982\u4f55\u660e\u786e\u8bc6\u522b\u5728\u7528\u8def\u5f84\uff0c<br \/>\n      \u4ee5\u53ca\u5207\u6362\u5e03\u7f6e\u662f\u5426\u53ef\u80fd\u9020\u6210\u4e0d\u53ef\u63a5\u53d7\u7684\u72b6\u6001\u3002\n    <\/p>\n<p>\n      <strong>\u7ef4\u62a4\u3002<\/strong> \u9694\u79bb\u4e00\u53f0\u88c5\u7f6e\u540e\uff0c\u6838\u67e5\u5269\u4f59\u7684\u5728\u7528\u5e03\u7f6e\u662f\u5426\u4ecd\u80fd\u5c65\u884c<br \/>\n      \u8d4b\u4e88\u5b83\u7684\u4fdd\u62a4\u529f\u80fd\u3002\u6838\u67e5\u8303\u56f4\u5305\u62ec\u5728\u7528\u9600\u95e8\u3001\u9009\u62e9\uff0f\u5207\u6362\u8def\u5f84\u3001\u5165\u53e3\u538b<br \/>\n      \u964d\u548c\u6392\u653e\u7cfb\u7edf\uff0c\u800c\u4e0d\u53ea\u662f\u73b0\u573a\u786e\u6709\u7b2c\u4e8c\u53f0\u9600\u95e8\u3002\n    <\/p>\n<p>\n      <strong>\u91cd\u65b0\u6295\u7528\u3002<\/strong> \u786e\u8ba4\u7ef4\u4fee\u540e\u7684\u88c5\u7f6e\u5982\u4f55\u6062\u590d\u6295\u7528\u800c\u4e0d\u9020\u6210\u975e\u9884\u671f\u7684\u9600\u95e8<br \/>\n      \u6216\u9694\u79bb\u72b6\u6001\uff0c\u5e76\u786e\u4fdd\u7ef4\u62a4\u8bb0\u5f55\u53ca\u8981\u6c42\u7684\u8bd5\u9a8c\uff0f\u6574\u5b9a\u6587\u4ef6\u5b8c\u6574\uff0c\u4e4b\u540e\u624d\u53ef\u5c06\u8be5<br \/>\n      \u88c5\u7f6e\u518d\u6b21\u8ba1\u5165\u4fdd\u62a4\u80fd\u529b\u3002\n    <\/p>\n<p>\n      \u8fd9\u4e9b\u95ee\u9898\u8bf4\u660e\uff0c\u9009\u62e9\u6216\u9694\u79bb\u5e03\u7f6e\u662f\u6cc4\u538b\u7cfb\u7edf\u8bbe\u8ba1\u7684\u4e00\u90e8\u5206\uff0c\u800c\u975e\u65e0\u5173\u7d27\u8981\u7684\u7ba1\u9053\u9644\u4ef6\u3002<br \/>\n      <a href=\"https:\/\/www.nationalboard.org\/SiteDocuments\/NBIC%20Restricted\/SC%20PRD%20Minutes%20with%20attachments%20July%202022.pdf\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">National Board \u516c\u5f00\u7684\u6cc4\u538b\u88c5\u7f6e\u6307\u5bfc\u8d44\u6599<\/a><br \/>\n      \u8bf4\u660e\u4e86\u5bf9\u5207\u6362\u5e03\u7f6e\u4e0e\u9694\u79bb\u7684\u68c0\u67e5\u5173\u6ce8\u70b9\uff0c\u800c<br \/>\n      <a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/520part-ii\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">API 520 \u7b2c II \u90e8\u5206<\/a><br \/>\n      \u5219\u5355\u72ec\u6d89\u53ca\u6cc4\u538b\u88c5\u7f6e\u7684\u5b89\u88c5\u3002\n    <\/p>\n<p>\n      \u73b0\u884c <a href=\"https:\/\/www.nationalboard.org\/OrderTheNBIC.aspx\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">NBIC \u7248\u672c<\/a><br \/>\n      \u7684\u7b2c 4 \u90e8\u5206\u4e13\u95e8\u6d89\u53ca\u6cc4\u538b\u88c5\u7f6e\u3002\u516c\u5f00\u7684\u59d4\u5458\u4f1a\u8d44\u6599\u6709\u52a9\u4e8e\u7406\u89e3<br \/>\n      \u5de5\u7a0b\u5173\u6ce8\u70b9\uff0c\u4f46\u5728\u63a5\u53d7\u53ef\u9694\u79bb\u6216\u53ef\u5207\u6362\u5e03\u7f6e\u524d\uff0c\u4ecd\u987b\u6838\u67e5\u73b0\u884c\u91c7\u7eb3\u7684\u89c4\u8303\u3001\u4e1a\u4e3b\u8981\u6c42\u3001\u9879\u76ee<br \/>\n      \u6280\u672f\u89c4\u683c\u53ca\u53f8\u6cd5\u7ba1\u8f96\u8981\u6c42\uff1b\u59d4\u5458\u4f1a\u8d44\u6599\u4e0d\u80fd\u66ff\u4ee3\u8fd9\u4e9b\u6838\u67e5\u3002\n    <\/p>\n<aside class=\"zobai-note\">\n<p>\n        \u4e00\u7528\u4e00\u5907\u5e03\u7f6e\u53ef\u4ee5\u5728\u53e6\u4e00\u53f0 PSV \u4fdd\u6301\u5728\u7528\u65f6\u652f\u6301\u7ef4\u62a4\u5176\u4e2d\u4e00\u53f0\uff0c<br \/>\n        <strong>\u524d\u63d0\u662f\u7ecf\u6279\u51c6\u7684\u5207\u6362\u5e03\u7f6e\u4fdd\u7559\u4e86\u6240\u9700\u6cc4\u653e\u8def\u5f84\uff0c\u5e76\u6ee1\u8db3\u9002\u7528\u7684\u5b89\u88c5<br \/>\n        \u8981\u6c42<\/strong>\u3002API RP 576 \u4e5f\u4e0e\u68c0\u67e5\u548c\u7ef4\u4fee\u5b9e\u8df5\u6709\u5173\uff0c\u4f46\u4e0d\u5e94<br \/>\n        \u8bef\u8bfb\u4e3a\u5b83\u89c4\u5b9a\u4e86\u9002\u7528\u4e8e\u6240\u6709\u5de5\u51b5\u7684\u7edf\u4e00\u68c0\u67e5\u5468\u671f\u3002\n      <\/p>\n<\/aside>\n<aside class=\"zobai-note\">\n<p>\n        <strong>\u5de5\u7a0b\u793a\u4f8b\u60c5\u666f\u3002<\/strong> \u67d0\u5de5\u5382\u5b89\u88c5\u4e00\u5957\u5207\u6362\u88c5\u7f6e\u548c\u4e24\u53f0 PSV\uff0c\u4ee5\u4fbf\u5728\u7cfb\u7edf\u8fd0\u884c\u671f\u95f4\u7ef4\u4fee\u5176\u4e2d\u4e00\u53f0\u3002<br \/>\n        \u7ef4\u62a4\u8ba1\u5212\u53ea\u5173\u6ce8\u5907\u7528\u9600\uff0c\u5374\u6ca1\u6709\u5728\u4f5c\u4e1a\u540e\u6838\u67e5\u5207\u6362\u88c5\u7f6e\u7684\u4f4d\u7f6e\u53ca\u5728\u7528<br \/>\n        \u6d41\u8def\u3002\u8bbe\u8ba1\u610f\u56fe\u53ef\u80fd\u5408\u7406\uff0c\u4f46\u5b9e\u9645\u8fd0\u884c\u72b6\u6001\u4ecd\u53ef\u80fd\u6709\u8bef\u3002\u907f\u514d\u8fd9\u4e00\u95ee\u9898\uff0c<br \/>\n        \u5e94\u5c06\u6838\u5b9e\u5728\u7528\u8def\u5f84\u3001\u5207\u6362\u4f4d\u7f6e\u548c\u91cd\u65b0\u6295\u7528\u68c0\u67e5\u660e\u786e\u7eb3\u5165\u7ecf\u6279\u51c6\u7684<br \/>\n        \u7a0b\u5e8f\u53ca\u68c0\u67e5\u4f9d\u636e\u3002\n      <\/p>\n<\/aside>\n<p>\n      \u5df2\u786e\u8ba4\u9700\u8981\u4e00\u7528\u4e00\u5907\u67b6\u6784\u7684\u8bfb\u8005\uff0c\u53ef\u5728\u5546\u4e1a\u914d\u7f6e\u9636\u6bb5\u5411<br \/>\n      <a href=\"https:\/\/zobai.com\/zh\/safety-valves\/dual-safety-valves\/\">\u53cc\u8054\u5b89\u5168\u9600<\/a> \u548c<br \/>\n      <a href=\"https:\/\/zobai.com\/zh\/safety-valves\/changeover-safety-valves\/\">\u5207\u6362\u5f0f\u5b89\u5168\u9600<\/a><br \/>\n      \u7684\u4ea7\u54c1\u8d1f\u8d23\u4eba\u54a8\u8be2\u3002\n    <\/p>\n<figure class=\"wp-block-image size-full zobai-figure\" data-image-slot=\"IMG-02\"><img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02.webp\" alt=\"\u4e00\u7528\u4e00\u5907 PSV \u5728\u6b63\u5e38\u8fd0\u884c\u3001\u5207\u6362\u3001\u7ef4\u62a4\u548c\u91cd\u65b0\u6295\u7528\u671f\u95f4\u7684\u6982\u5ff5\u6027\u72b6\u6001\u3002\" title=\"Single PSV vs Dual PSV: When Redundancy Changes the Relief Design - IMG-02\" width=\"1200\" height=\"900\" class=\"wp-image-56942\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-02-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>\u4e00\u7528\u4e00\u5907 PSV \u5728\u6b63\u5e38\u8fd0\u884c\u3001\u5207\u6362\u3001\u7ef4\u62a4\u548c\u91cd\u65b0\u6295\u7528\u671f\u95f4\u7684\u6982\u5ff5\u6027\u72b6\u6001\u3002<\/figcaption><\/figure>\n<\/section>\n<section aria-labelledby=\"shared-piping\">\n<h2 id=\"shared-piping\">\u5171\u7528\u5165\u53e3\u4e0e\u6392\u653e\u7ba1\u9053\u4f1a\u5982\u4f55\u6539\u53d8\u53cc PSV \u7cfb\u7edf<\/h2>\n<p>\n      \u4e24\u53f0\u72ec\u7acb\u7684 PSV \u4e0d\u4e00\u5b9a\u6784\u6210\u4e24\u6761\u6c34\u529b\u4e0a\u72ec\u7acb\u7684\u4fdd\u62a4\u8def\u5f84\u3002\u5f53\u5b83\u4eec<br \/>\n      \u5171\u7528\u4e0a\u6e38\u6216\u4e0b\u6e38\u7ba1\u8def\u65f6\uff0c\u8fd9\u4e00\u70b9\u5c24\u4e3a\u660e\u663e\u3002\n    <\/p>\n<h3>\u5171\u7528\u5165\u53e3\u6216\u6b67\u7ba1<\/h3>\n<p>\n      \u88c5\u5728\u5171\u7528\u5165\u53e3\u6b67\u7ba1\u4e0a\u7684\u591a\u53f0\u6cc4\u538b\u88c5\u7f6e\uff0c\u4e0d\u80fd\u603b\u662f\u53ea\u5206\u6790\u4e00\u53f0\u9600\u95e8\uff0c<br \/>\n      \u518d\u7b80\u5355\u5730\u628a\u7ed3\u679c\u5957\u7528\u4e8e\u5176\u4ed6\u9600\u95e8\u3002\u4e00\u9879\u7ecf\u8fc7\u540c\u884c\u8bc4\u8bae\u7684<br \/>\n      <a href=\"https:\/\/aiche.onlinelibrary.wiley.com\/doi\/10.1002\/prs.12235\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\u300aProcess Safety Progress\u300b\u5171\u7528\u5165\u53e3\u6b67\u7ba1\u7814\u7a76<\/a><br \/>\n      \u5bf9\u6d41\u7ecf\u5404\u53f0\u88c5\u7f6e\u7684\u6d41\u91cf\u5efa\u6a21\uff0c\u800c\u4e0d\u662f\u4f9d\u8d56\u5355\u53f0\u88c5\u7f6e\u7684\u7b80\u5316\u8ba1\u7b97\u3002\n    <\/p>\n<p>\n      \u5f53\u591a\u53f0 PSV \u90fd\u53ef\u80fd\u901a\u8fc7\u5171\u7528\u5165\u53e3\u6cc4\u653e\u65f6\uff0c <strong>\u9700\u8981\u8bc4\u4f30\u5b9e\u9645\u591a\u88c5\u7f6e\u5e03\u7f6e\u7684<br \/>\n      \u6c34\u529b\u6761\u4ef6<\/strong>\u3002\u8fd9\u610f\u5473\u7740\u8981\u628a\u5171\u7528\u8fde\u63a5\u3001\u6b67\u7ba1\u53ca\u5404\u652f\u8def<br \/>\n      \u4f5c\u4e3a\u4e00\u4e2a\u5df2\u5b89\u88c5\u7684\u5165\u53e3\u7cfb\u7edf\u6765\u5ba1\u67e5\u3002\n    <\/p>\n<p>\n      \u5171\u7528\u6b67\u7ba1\u5e76\u975e\u5fc5\u7136\u4e0d\u53ef\u63a5\u53d7\u3002\u5173\u952e\u5728\u4e8e\u9600\u95e8\u901a\u8fc7\u5171\u7528\u8def\u5f84\u4ea7\u751f\u6c34\u529b\u8026\u5408\u3002<br \/>\n      \u5165\u53e3\u538b\u964d\u53ef\u80fd\u5f71\u54cd\u6cc4\u538b\u88c5\u7f6e\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u56e0\u6b64\u539f\u672c\u5bf9\u4e00\u6761\u6cc4\u653e\u8def\u5f84\u53ef\u63a5\u53d7\u7684\u5e03\u7f6e\uff0c<br \/>\n      \u4e0d\u80fd\u5728\u589e\u8bbe\u7b2c\u4e8c\u6761\u5728\u7528\u8def\u5f84\u540e\u4ecd\u88ab\u76f4\u63a5\u89c6\u4e3a\u53ef\u63a5\u53d7\u3002\n    <\/p>\n<p>\n      \u5b89\u88c5\u5ba1\u67e5\u4e0d\u80fd\u53ea\u95ee\u6bcf\u53f0 PSV \u7684\u6392\u91cf\u662f\u5426\u8db3\u591f\uff0c\u8fd8\u987b\u786e\u5b9a\u5728\u53ef\u4fe1\u7684\u6cc4\u653e\u7ec4\u5408\u4e0b\uff0c\u5404\u53f0\u88c5\u7f6e<br \/>\n      \u5b9e\u9645\u9762\u4e34\u4ec0\u4e48\u5165\u53e3\u6761\u4ef6\u3002\n    <\/p>\n<h3>\u5171\u7528\u6392\u653e\u603b\u7ba1<\/h3>\n<p>\n      \u540c\u6837\u7684\u539f\u5219\u4e5f\u9002\u7528\u4e8e\u4e0b\u6e38\u3002\u5982\u679c\u591a\u53f0 PSV \u6392\u5165\u5c01\u95ed\u7684\u5171\u7528\u603b\u7ba1\uff0c\u5176\u6d41\u91cf\u4f1a\u5171\u540c\u5f71\u54cd<br \/>\n      \u4e0b\u6e38\u538b\u529b\u6761\u4ef6\u3002<br \/>\n      <a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/standard521\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">API 521<\/a><br \/>\n      \u4ece\u7cfb\u7edf\u6574\u4f53\u800c\u975e\u5b64\u7acb\u9600\u95e8\u7684\u89d2\u5ea6\u5904\u7406\u6cc4\u538b\u4e0e\u964d\u538b\u7cfb\u7edf\u3002\n    <\/p>\n<p>\n      \u56e0\u6b64\uff0c\u603b\u7ba1\u5ba1\u67e5\u987b\u8003\u8651 <strong>\u53ef\u4fe1\u7684\u591a\u53f0\u88c5\u7f6e\u540c\u65f6\u6cc4\u653e\u7ec4\u5408<\/strong>\uff0c\u800c\u4e0d\u53ea\u662f<br \/>\n      \u5355\u53f0\u9600\u95e8\u7684\u51fa\u53e3\u53e3\u5f84\u3002\u79ef\u805a\u80cc\u538b\u662f\u7cfb\u7edf\u8ba1\u7b97\u7684\u7ed3\u679c\uff0c\u5b83\u5bf9\u6240\u9009\u6cc4\u538b\u9600\u7684\u5f71\u54cd\u53d6\u51b3\u4e8e<br \/>\n      \u9600\u95e8\u8bbe\u8ba1\u548c\u5b9e\u9645\u6392\u653e\u6761\u4ef6\u3002\u56e0\u6b64\uff0c\u603b\u7ba1\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u6838\u67e5<br \/>\n      \u7ba1\u8def\u8ba1\u7b97\u4e0e\u9600\u95e8\u9002\u7528\u6027\u3002\n    <\/p>\n<aside class=\"zobai-note\">\n<p>\n        <strong>\u5de5\u7a0b\u793a\u4f8b\u60c5\u666f\u3002<\/strong> \u67d0\u5171\u7528\u6392\u653e\u603b\u7ba1\u540e\u6765\u5ef6\u4f38\uff0c\u4ee5\u63a5\u5165\u66f4\u591a<br \/>\n        \u6cc4\u653e\u6e90\u3002\u539f PSV \u7684\u6574\u5b9a\u538b\u529b\u672a\u53d8\uff0c\u4f46\u53ef\u4fe1\u7684\u540c\u65f6\u6cc4\u653e\u6d41\u91cf\u53ca\u7531\u6b64\u4ea7\u751f\u7684<br \/>\n        \u79ef\u805a\u80cc\u538b\u5df2\u4e0d\u540c\u4e8e\u539f\u59cb\u8bbe\u8ba1\u3002\u907f\u514d\u8bef\u5224\u7684\u65b9\u6cd5\uff0c\u662f\u91cd\u65b0\u9a8c\u8bc1\u603b\u7ba1<br \/>\n        \u5de5\u51b5\u53ca\u6240\u9009\u9600\u95e8\u7684\u80cc\u538b\u9002\u7528\u6027\uff0c\u7279\u522b\u662f\u5728\u6392\u653e\u7f51\u7edc\u6216\u53ef\u4fe1\u7684\u540c\u65f6<br \/>\n        \u6cc4\u653e\u7ec4\u5408\u53d1\u751f\u53d8\u5316\u65f6\u3002\n      <\/p>\n<\/aside>\n<p>\n      \u5982\u9700\u8be6\u7ec6\u4e86\u89e3\u4e0b\u6e38\u538b\u529b\u5bf9\u5f39\u7c27\u5f0f\u9600\u95e8\u7684\u5f71\u54cd\uff0c\u8bf7\u53c2\u9605<br \/>\n      <a href=\"https:\/\/zobai.com\/zh\/blog\/back-pressure-spring-loaded-safety-valve\/\">\u300a\u5f39\u7c27\u5f0f\u5b89\u5168\u9600\u7684\u80cc\u538b\u300b\u6307\u5357<\/a>.<br \/>\n      \u672c\u6587\u53ea\u5728\u7cfb\u7edf\u67b6\u6784\u5c42\u9762\u5f3a\u8c03\uff1a <strong>\u5171\u7528\u6392\u653e\u7cfb\u7edf\u53ef\u80fd\u4f7f\u539f\u672c\u770b\u4f3c<br \/>\n      \u5f7c\u6b64\u5206\u5f00\u7684\u88c5\u7f6e\u76f8\u4e92\u8026\u5408\u3002<\/strong>\n    <\/p>\n<p>\n      \u53ef\u4ee5\u8bbe\u7f6e\u4e24\u53f0 PSV \u9600\u4f53\uff0c\u4f46\u5165\u53e3\u63a5\u7ba1\u3001\u5207\u6362\u88c5\u7f6e\u3001\u6b67\u7ba1\u6216\u6392\u653e\u603b\u7ba1\u4ecd\u53ef\u80fd\u5171\u7528\u3002\u56e0\u6b64\uff0c\u5728\u786e\u5b9a\u5b9e\u9645\u5171\u7528<br \/>\n      \u6d41\u8def\u4e4b\u524d\uff0c\u4e0d\u5e94\u5c06\u53cc\u9600\u5e03\u7f6e\u63cf\u8ff0\u4e3a\u5b8c\u5168\u72ec\u7acb\u3002\n    <\/p>\n<figure class=\"wp-block-image size-full zobai-figure\" data-image-slot=\"IMG-03\"><img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03.webp\" alt=\"\u4e24\u53f0 PSV \u5171\u7528\u5165\u53e3\u6b67\u7ba1\u548c\u6392\u653e\u603b\u7ba1\uff0c\u56fe\u4e2d\u7a81\u51fa\u663e\u793a\u5171\u7528\u7684\u6c34\u529b\u4f9d\u8d56\u73af\u8282\u3002\" title=\"Single PSV vs Dual PSV: When Redundancy Changes the Relief Design - IMG-03\" width=\"1200\" height=\"900\" class=\"wp-image-56943\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/single-vs-dual-psv-img-03-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>\u4e24\u53f0 PSV \u5171\u7528\u5165\u53e3\u6b67\u7ba1\u548c\u6392\u653e\u603b\u7ba1\uff0c\u56fe\u4e2d\u7a81\u51fa\u663e\u793a\u5171\u7528\u7684\u6c34\u529b\u4f9d\u8d56\u73af\u8282\u3002<\/figcaption><\/figure>\n<\/section>\n<section aria-labelledby=\"decide-before-rfq\">\n<h2 id=\"decide-before-rfq\">\u8be2\u4ef7\u524d\u5982\u4f55\u5728\u5355 PSV \u4e0e\u53cc PSV \u65b9\u6848\u95f4\u4f5c\u51fa\u5224\u65ad<\/h2>\n<p>\n      \u4ece\u4fdd\u62a4\u8981\u6c42\u51fa\u53d1\uff0c\u800c\u4e0d\u662f\u4ece\u8ba1\u5212\u91c7\u8d2d\u7684\u9600\u95e8\u6570\u91cf\u51fa\u53d1\u3002\n    <\/p>\n<p class=\"translation-block\"><strong>\u5355\u53f0 PSV \u4ecd\u662f\u53ef\u4ee5\u8003\u8651\u7684\u65b9\u6848<\/strong>\uff0c\u6761\u4ef6\u662f\u4e00\u53f0\u6ee1\u8db3\u9002\u7528\u8981\u6c42\u7684\u88c5\u7f6e\u80fd\u591f\u5b8c\u6210\u89c4\u5b9a\u7684\u8d85\u538b\u4fdd\u62a4\u4efb\u52a1\uff0c<br>\n\u8fd0\u884c\u548c\u7ef4\u62a4\u65b9\u6848\u4e0d\u8981\u6c42\u8bbe\u7f6e\u53e6\u4e00\u6761\u53ef\u7528\u7684\u6cc4\u653e\u901a\u8def\uff0c<br>\n\u5e76\u4e14\u5df2\u5b89\u88c5\u7684\u8fdb\u53e3\u53ca\u51fa\u53e3\u7ba1\u8def\u5e03\u7f6e\u53ef\u63a5\u53d7\u3002<\/p>\n<p class=\"translation-block\"><strong>\u5e94\u8003\u8651\u91c7\u7528\u5de5\u4f5c\u9600\u4e0e\u5907\u7528\u9600\u7684\u914d\u7f6e\u65b9\u6848<\/strong>\uff0c\u6761\u4ef6\u662f\u5728\u4e00\u53f0\u88c5\u7f6e\u56e0\u68c0\u67e5\u6216\u7ef4\u62a4\u800c\u65e0\u6cd5\u4f7f\u7528\u65f6\uff0c<br>\n\u4ecd\u9700\u4fdd\u7559\u53e6\u4e00\u6761\u6cc4\u653e\u901a\u8def\u3002<\/p>\n<p class=\"translation-block\"><strong>\u5e94\u8003\u8651\u91c7\u7528\u591a\u53f0\u5de5\u4f5c PSV \u7684\u914d\u7f6e\u65b9\u6848<\/strong>\uff0c\u6761\u4ef6\u662f\u8bbe\u8ba1\u660e\u786e\u5c06\u591a\u4e8e\u4e00\u53f0\u88c5\u7f6e\u7684\u6cc4\u653e\u80fd\u529b\u8ba1\u5165\u6ee1\u8db3\u6240\u9700\u6cc4\u653e\u80fd\u529b\u7684\u8ba1\u7b97\uff0c<br>\n\u6216\u8005\u8fd9\u4e9b\u88c5\u7f6e\u6784\u6210\u5df2\u83b7\u6279\u51c6\u7684\u5206\u7ea7\u6cc4\u653e\u4fdd\u62a4\u7b56\u7565\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Single versus dual PSV architecture decision matrix\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u8bbe\u8ba1\u9700\u6c42<\/th>\n<th scope=\"col\">\u5f85\u8bc4\u4f30\u7684\u67b6\u6784<\/th>\n<th scope=\"col\">\u4e3b\u8981\u5de5\u7a0b\u95ee\u9898<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e00\u53f0\u88c5\u7f6e\u5373\u53ef\u63d0\u4f9b\u65e2\u5b9a\u4fdd\u62a4\u529f\u80fd<\/td>\n<td>\u5355\u53f0 PSV<\/td>\n<td>\u4e00\u53f0\u5408\u683c\u88c5\u7f6e\u53ca\u5176\u5df2\u5b89\u88c5\u7ba1\u8def\u80fd\u5426\u6ee1\u8db3\u5b8c\u6574\u8bbe\u8ba1\u4f9d\u636e\uff1f<\/td>\n<\/tr>\n<tr>\n<td>\u7ef4\u62a4\u5176\u4e2d\u4e00\u53f0\u88c5\u7f6e\u65f6\uff0c\u4fdd\u62a4\u529f\u80fd\u4ecd\u987b\u53ef\u7528<\/td>\n<td>\u5de5\u4f5c\/\u5907\u7528<\/td>\n<td>\u5207\u6362\u64cd\u4f5c\u80fd\u5426\u5728\u6bcf\u79cd\u8981\u6c42\u7684\u72b6\u6001\u4e0b\u4fdd\u6301\u53ef\u63a5\u53d7\u7684\u5728\u7528\u6cc4\u653e\u8def\u5f84\uff1f<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u53f0\u88c5\u7f6e\u5171\u540c\u63d0\u4f9b\u6240\u9700\u6cc4\u653e\u80fd\u529b<\/td>\n<td>\u591a\u53f0 PSV \u540c\u65f6\u5728\u7528<\/td>\n<td>\u5982\u4f55\u8ba1\u5165\u5404\u88c5\u7f6e\u6392\u91cf\uff0c\u9002\u7528\u4ec0\u4e48\u591a\u88c5\u7f6e\u538b\u529b\u4f9d\u636e\uff1f<\/td>\n<\/tr>\n<tr>\n<td>\u6709\u610f\u91c7\u7528\u5206\u7ea7\u6cc4\u653e\u52a8\u4f5c<\/td>\n<td>\u591a\u88c5\u7f6e\u5206\u7ea7\u6cc4\u653e<\/td>\n<td>\u5404\u88c5\u7f6e\u9884\u671f\u6309\u4ec0\u4e48\u987a\u5e8f\u6295\u5165\uff0c\u5206\u522b\u8d21\u732e\u591a\u5c11\u6392\u91cf\uff1f<\/td>\n<\/tr>\n<tr>\n<td>\u88c5\u7f6e\u5171\u7528\u5165\u53e3\u6216\u51fa\u53e3\u8bbe\u65bd<\/td>\n<td>\u4efb\u4f55\u9002\u7528\u7684\u67b6\u6784<\/td>\n<td>\u5728\u53ef\u4fe1\u7684\u8fd0\u884c\u53ca\u6cc4\u653e\u72b6\u6001\u4e0b\uff0c\u5171\u7528\u7ba1\u8def\u7684\u6c34\u529b\u6761\u4ef6\u662f\u5426\u53ef\u63a5\u53d7\uff1f<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\n      <strong>\u4fdd\u62a4\u4f9d\u636e\u3002<\/strong> \u660e\u786e\u53d7\u4fdd\u62a4\u8bbe\u5907\u6216\u7cfb\u7edf\u3001\u63a7\u5236\u6027\u6cc4\u653e\u5de5\u51b5\u3001<br \/>\n      \u6240\u9700\u6cc4\u653e\u80fd\u529b\u3001\u6cc4\u653e\u6d41\u4f53\u53ca\u76f8\u5173\u6cc4\u653e\u6761\u4ef6\uff0c\u4ee5\u53ca\u9002\u7528\u7684\u5efa\u9020\u89c4\u8303<br \/>\n      \u548c\u9879\u76ee\u6280\u672f\u89c4\u683c\u3002\n    <\/p>\n<p>\n      <strong>\u7b2c\u4e8c\u53f0 PSV \u7684\u7528\u9014\u3002<\/strong> \u8bf4\u660e\u7b2c\u4e8c\u53f0\u88c5\u7f6e\u662f\u4e3a\u4fdd\u6301\u5907\u7528\u53ef\u7528\u6027\u3001<br \/>\n      \u63d0\u4f9b\u90e8\u5206\u6392\u91cf\u3001\u53c2\u4e0e\u5206\u7ea7\u6cc4\u653e\uff0c\u8fd8\u662f\u6ee1\u8db3\u53e6\u4e00\u9879\u660e\u786e\u89c4\u5b9a\u7684\u4fdd\u62a4\u8981\u6c42\u3002\u4e0d\u8981\u53ea\u5199<br \/>\n      \u201c\u6570\u91cf\uff1a2\u201d\u3002\n    <\/p>\n<p>\n      <strong>\u538b\u529b\u57fa\u51c6\u3002<\/strong> \u660e\u786e\u9879\u76ee\u5bf9\u6574\u5b9a\u538b\u529b\u3001\u4efb\u4f55\u9884\u671f\u7684\u591a\u88c5\u7f6e\u5173\u7cfb\uff0c<br \/>\n      \u4ee5\u53ca\u7528\u4e8e\u6838\u67e5\u4fdd\u62a4\u6548\u679c\u7684\u8bbe\u5907\u538b\u529b\u9650\u503c\u7684\u4f9d\u636e\u3002\u6709\u5173\u6574\u5b9a\u538b\u529b\u3001<br \/>\n      \u8d85\u538b\u3001\u538b\u529b\u79ef\u805a\u548c\u542f\u95ed\u538b\u5dee\u7684\u8be6\u7ec6\u5b9a\u4e49\uff0c\u8bf7\u53c2\u9605<br \/>\n      <a href=\"https:\/\/zobai.com\/zh\/blog\/safety-valve-set-pressure-overpressure-blowdown\/\">\u300a\u5b89\u5168\u9600\u6574\u5b9a\u538b\u529b\u3001\u8d85\u538b\u4e0e\u542f\u95ed\u538b\u5dee\u6307\u5357\u300b<\/a>.\n    <\/p>\n<p>\n      <strong>\u5165\u53e3\u5e03\u7f6e\u3002<\/strong> \u660e\u786e\u9600\u95e8\u91c7\u7528\u72ec\u7acb\u5165\u53e3\u8fd8\u662f\u5171\u7528\u5165\u53e3\uff0c\u4ee5\u53ca\u63a5\u7ba1\uff0f\u6b67\u7ba1<br \/>\n      \u5e03\u7f6e\u3001\u53ef\u4fe1\u6d41\u8def\u548c\u5b89\u88c5\u538b\u964d\u4f9d\u636e\u3002\n    <\/p>\n<p>\n      <strong>\u6392\u653e\u5e03\u7f6e\u3002<\/strong> \u660e\u786e\u6392\u653e\u81f3\u5927\u6c14\u8fd8\u662f\u5c01\u95ed\u7cfb\u7edf\u3001\u662f\u5426\u63a5\u5165\u5171\u7528\u603b\u7ba1\u3001<br \/>\n      \u9884\u671f\u80cc\u538b\u4f9d\u636e\uff0c\u4ee5\u53ca\u54ea\u4e9b\u88c5\u7f6e\u53ef\u80fd\u5728\u53ef\u4fe1\u5de5\u51b5\u4e0b\u540c\u65f6\u6cc4\u653e\u3002\n    <\/p>\n<p>\n      <strong>\u7ef4\u62a4\u4e0e\u9694\u79bb\u3002<\/strong> \u660e\u786e\u8bbe\u5907\u4fdd\u6301\u8fd0\u884c\u65f6\u662f\u5426\u9700\u8981\u62c6\u4e0b\u4e00\u53f0 PSV\u3001<br \/>\n      \u662f\u5426\u8ba1\u5212\u8bbe\u7f6e\u9009\u62e9\uff0f\u5207\u6362\u5e03\u7f6e\u3001\u5982\u4f55\u8bc6\u522b\u5e76\u4fdd\u6301\u5728\u7528\u6cc4\u653e\u8def\u5f84\uff0c\u4ee5\u53ca<br \/>\n      \u9879\u76ee\u6216\u53f8\u6cd5\u7ba1\u8f96\u8981\u6c42\u54ea\u4e9b\u68c0\u67e5\uff0f\u7ef4\u4fee\u6587\u4ef6\u3002\n    <\/p>\n<p>\n      <strong>\u6750\u6599\u4e0e\u9600\u5ea7\u6027\u80fd\u3002<\/strong> \u8bf4\u660e\u5de5\u827a\u6d41\u4f53\u3001\u6e29\u5ea6\u3001\u6c61\u67d3\u7269\u548c\u8150\u8680<br \/>\n      \u95ee\u9898\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u5f71\u54cd\u63a5\u6db2\u5185\u4ef6\u3001\u9600\u5ea7\uff0f\u5bc6\u5c01\u6750\u6599\uff0c\u4ee5\u53ca\u9002\u7528\u65f6\u7684\u5bfc\u9600\u6216\u8f85\u52a9\u90e8\u4ef6\u3002<br \/>\n      \u5982\u9879\u76ee\u6709\u9600\u5ea7\u5bc6\u5c01\u6027\u9a8c\u6536\u8981\u6c42\uff0c\u5e94\u5c06\u8bd5\u9a8c\uff0f\u6587\u4ef6\u4f9d\u636e\u4e0e<br \/>\n      \u6392\u91cf\u8ba4\u8bc1\u5206\u5f00\u89c4\u5b9a\uff1b\u9600\u5ea7\u5bc6\u5c01\u6027\u548c\u6cc4\u653e\u80fd\u529b\u56de\u7b54\u7684\u662f\u4e0d\u540c\u95ee\u9898\u3002\n    <\/p>\n<p>\n      <strong>\u4f9b\u5e94\u5546\u8bc1\u660e\u8d44\u6599\u3002<\/strong> \u9488\u5bf9\u62df\u4f9b\u88c5\u7f6e\u548c\u5e03\u7f6e\uff0c\u8981\u6c42\u4f9b\u5e94\u5546\u786e\u8ba4\u9879\u76ee\u6240\u9700\u7684\u8bc1\u660e<br \/>\n      \u8d44\u6599\u3002\u89c6\u9879\u76ee\u800c\u5b9a\uff0c\u53ef\u80fd\u5305\u62ec\u6240\u9009\u914d\u7f6e\u3001\u6709\u6587\u4ef6\u652f\u6301\u6216\u7ecf\u8fc7\u8ba4\u8bc1\u7684<br \/>\n      \u6392\u91cf\u4f9d\u636e\u3001\u538b\u529b\u4e0e\u6e29\u5ea6\u9650\u503c\u3001\u6750\u6599\u9002\u7528\u6027\u3001\u80cc\u538b\u9002\u7528\u6027\u3001\u8fde\u63a5\u5e03\u7f6e\u3001<br \/>\n      \u9600\u5ea7\u5bc6\u5c01\u6027\u8981\u6c42\u53ca\u9002\u7528\u6587\u4ef6\u3002\n    <\/p>\n<p>\n      \u8fd9\u4e9b\u8981\u6c42\u4e0d\u80fd\u8bc1\u660e\u4efb\u4f55\u7279\u5b9a ZOBAI \u578b\u53f7\u6216\u8ba4\u8bc1\u76ee\u524d\u5c31\u9002\u7528\u3002\u4ea7\u54c1\u80fd\u529b<br \/>\n      \u4ecd\u987b\u7ed3\u5408\u5b9e\u9645\u9879\u76ee\u6838\u5b9e\u3002\n    <\/p>\n<p>\n      <strong>\u53ea\u6709\u660e\u786e\u7b2c\u4e8c\u53f0 PSV \u9884\u671f\u5b9e\u73b0\u4ec0\u4e48\u529f\u80fd\u3001\u4e00\u53f0\u88c5\u7f6e\u4e0d\u53ef\u7528\u65f6\u8fd8\u4fdd\u7559\u54ea\u4e9b\u4fdd\u62a4\u529f\u80fd\uff0c<br \/>\n      \u4ee5\u53ca\u88c5\u7f6e\u4ecd\u5171\u7528\u54ea\u4e9b\u5165\u53e3\u6216\u51fa\u53e3\u90e8\u4ef6\u540e\uff0c\u624d\u80fd\u9009\u62e9\u67b6\u6784\u3002<\/strong>\n    <\/p>\n<div class=\"zobai-cta\">\n<p><strong>\u5df2\u786e\u5b9a\u6cc4\u653e\u4f9d\u636e\uff0c\u4f46\u5c1a\u672a\u786e\u5b9a\u6700\u7ec8 PSV \u5e03\u7f6e\uff1f<\/strong><\/p>\n<p>\n        \u8bf7\u63d0\u4f9b\u53d7\u4fdd\u62a4\u8bbe\u5907\u3001\u6cc4\u653e\u5de5\u51b5\u3001\u6240\u9700\u6392\u91cf\u3001\u6574\u5b9a\u538b\u529b\u4f9d\u636e\u3001\u5165\u53e3\uff0f\u51fa\u53e3\u5e03\u7f6e<br \/>\n        \u53ca\u7ef4\u62a4\u8981\u6c42\uff0c\u4ee5\u4fbf\u5f00\u5c55\u5de5\u7a0b\u9009\u578b\u5ba1\u67e5\u3002\n      <\/p>\n<p><a href=\"https:\/\/zobai.com\/zh\/ask-an-engineer\/\">\u54a8\u8be2\u5b89\u5168\u9600\u5de5\u7a0b\u5e08<\/a><\/p>\n<\/p><\/div>\n<\/section>\n<section aria-labelledby=\"single-dual-psv-faq\">\n<h2 id=\"single-dual-psv-faq\">\u5355 PSV \u4e0e\u53cc PSV \u8bbe\u8ba1\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u53cc PSV \u5e03\u7f6e\u603b\u662f\u5177\u6709\u5197\u4f59\u6027\u5417\uff1f<\/h3>\n<p>\n      \u4e0d\u662f\u3002\u4e24\u53f0\u5df2\u5b89\u88c5 PSV \u53ef\u80fd\u662f\u4e00\u7528\u4e00\u5907\u3001\u4e24\u53f0\u5171\u540c\u627f\u62c5\u6240\u9700\u6392\u91cf\uff0c\u6216\u5c5e\u4e8e\u5206\u7ea7<br \/>\n      \u6cc4\u653e\u7b56\u7565\u3002\u53ea\u6709\u5148\u660e\u786e\u4e00\u53f0\u88c5\u7f6e\u4e0d\u53ef\u7528\u65f6\u987b\u4fdd\u7559\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u5e76\u786e\u8ba4<br \/>\n      \u5269\u4f59\u6392\u91cf\u548c\u6d41\u8def\u4ecd\u6ee1\u8db3\u9002\u7528\u8bbe\u8ba1\u4f9d\u636e\uff0c\u624d\u80fd\u79f0\u8be5\u5e03\u7f6e\u5177\u6709\u5197\u4f59\u6027\u3002\n    <\/p>\n<h3>\u4e24\u53f0 PSV \u53ef\u4ee5\u7b80\u5355\u5730\u6309 50\/50 \u5206\u62c5\u6240\u9700\u6392\u91cf\u5417\uff1f<\/h3>\n<p>\n      \u4e0d\u80fd\u9ed8\u8ba4\u6309 50\/50 \u5206\u914d\u3002\u5e94\u5148\u786e\u5b9a\u63a7\u5236\u6027\u6240\u9700\u6cc4\u653e\u80fd\u529b\uff0c\u518d\u4f9d\u636e\u9002\u7528\u5efa\u9020\u89c4\u8303<br \/>\n      \u53ca\u9879\u76ee\u4f9d\u636e\uff0c\u786e\u5b9a\u6bcf\u53f0\u88c5\u7f6e\u62df\u8d21\u732e\u591a\u5c11\u6709\u8ba4\u8bc1\u6216\u6587\u4ef6\u652f\u6301\u7684<br \/>\n      \u6392\u91cf\u3002\u5e73\u5747\u5206\u914d\u53ef\u80fd\u662f\u67d0\u4e2a\u9879\u76ee\u7684\u7ed3\u679c\uff0c\u4f46\u4e0d\u80fd\u66ff\u4ee3\u5b9a\u5f84\u548c\u9009\u578b\u5ba1\u67e5\u3002\n    <\/p>\n<h3>\u5de5\u827a\u6301\u7eed\u8fd0\u884c\u65f6\uff0c\u53ef\u4ee5\u9694\u79bb\u4e00\u53f0 PSV \u8fdb\u884c\u7ef4\u62a4\u5417\uff1f<\/h3>\n<p>\n      \u53ea\u6709\u7ecf\u6279\u51c6\u7684\u4e00\u7528\u4e00\u5907\u6216\u5207\u6362\u5e03\u7f6e\u4fdd\u7559\u4e86\u6240\u9700\u5728\u7528\u6cc4\u653e\u8def\u5f84\uff0c\u4e14\u73b0\u884c<br \/>\n      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