{"id":2491,"date":"2026-06-19T10:20:00","date_gmt":"2026-06-19T10:20:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=2491"},"modified":"2026-07-07T07:27:43","modified_gmt":"2026-07-07T07:27:43","slug":"butterfly-valve-cv-flow-coefficient-sizing","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/zh\/blog\/butterfly-valve\/butterfly-valve-cv-flow-coefficient-sizing\/","title":{"rendered":"\u8776\u9600\u6d41\u91cf\u7cfb\u6570\u53ca\u6d41\u91cf\u7279\u6027\uff1a\u5982\u4f55\u6839\u636e\u6d41\u91cf\u5bb9\u91cf\u9009\u62e9\u5408\u9002\u7684\u5c3a\u5bf8"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u786e\u5b9a\u5c3a\u5bf8\u65f6 <strong>\u8776\u9600CV <\/strong>\u8981\u8ba1\u7b97\u6240\u9700\u7684\u6d41\u91cf\uff0c\u60a8\u5e94\u8be5\u4f7f\u7528\u7cfb\u7edf\u6307\u5b9a\u7684\u516c\u5f0f\u6765\u8ba1\u7b97\u6240\u9700\u7684\u6d41\u91cf\u7cfb\u6570 (Cv)\u3002\u6d41\u91cf\u7cfb\u6570\u6216 Cv \u503c\u8868\u793a\u9600\u95e8\u5728\u7ed9\u5b9a\u538b\u964d\u4e0b\u53ef\u4ee5\u900f\u8fc7\u591a\u5c11\u6d41\u4f53\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u8bb8\u591a\u8776\u9600\u9009\u578b\u8868\u800c\u8a00\uff0c\u5f53\u9600\u95e8\u63a5\u8fd190\u00b0\u5f00\u542f\u65f6\uff0c\u6d41\u91cf\u7cfb\u6570\uff08Cv\uff09\u4f1a\u6025\u5267\u4e0a\u5347\u3002\u56e0\u6b64\uff0c\u6700\u7ec8\u5f00\u542f\u4f4d\u7f6e\u81f3\u5173\u91cd\u8981\u3002\u9009\u578b\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u9600\u95e8\u5c3a\u5bf8\u8fc7\u5c0f\uff0c\u4ece\u800c\u9020\u6210\u7cfb\u7edf\u5835\u585e\uff1b\u4e5f\u53ef\u80fd\u5bfc\u81f4\u9600\u95e8\u5c3a\u5bf8\u8fc7\u5927\uff0c\u4ece\u800c\u65e0\u6cd5\u6709\u6548\u63a7\u5236\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6307\u5357\u89e3\u91ca\u4e86\u6d41\u91cf\u7cfb\u6570\u4ee5\u53ca\u4e09\u79cd\u60c5\u51b5\u5982\u4f55\u8fd0\u4f5c\u3002 <strong>\u9600\u95e8\u7279\u6027<\/strong>\u2019\u66f2\u7ebf\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u5b83\u8fd8\u8be6\u7ec6\u8bf4\u660e\u4e86\u5982\u4f55\u6839\u636e\u5de5\u51b5\u5339\u914d\u9600\u95e8\u5c3a\u5bf8\u548c\u89d2\u5ea6\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e86\u89e3\u6d41\u91cf\u7cfb\u6570\uff1a\u6d41\u91cf\u7cfb\u6570\u8be6\u89e3<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u91cf\u7cfb\u6570\uff08Cv\uff09\u8861\u91cf\u7684\u662f\u6c34\u7684\u6d41\u91cf\uff0c\u5355\u4f4d\u4e3a\u7f8e\u5236\u52a0\u4ed1\/\u5206\u949f\u3002\u6c34\u6d41\u7ecf\u9600\u95e8\u65f6\uff0c\u538b\u964d\u6070\u597d\u4e3a 1 psi\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6807\u51c6\u5c3a\u7801\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cv = Q \u00d7 \u221a(SG \/ \u0394P)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d Q \u4e3a\u6d41\u91cf\uff08\u5355\u4f4d\uff1a\u52a0\u4ed1\/\u5206\u949f\uff09\uff0cSG \u4e3a\u6d41\u4f53\u7684\u6bd4\u91cd\uff0c\u0394P \u4e3a\u9600\u95e8\u4e24\u7aef\u7684\u538b\u5dee\uff08\u5355\u4f4d\uff1a\u78c5\/\u5e73\u65b9\u82f1\u5bf8\uff09\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u9ad8\u7684 <strong>\u8776\u9600 Cv<\/strong> \u8fd9\u610f\u5473\u7740\u963b\u529b\u66f4\u5c0f\uff0c\u6d41\u91cf\u66f4\u5927\u3002\u8776\u9600\u5728\u6240\u6709\u56db\u5206\u4e4b\u4e00\u8f6c\u9600\u95e8\u4e2d\uff0c\u5355\u4f4d\u7ba1\u5f84\u7684\u6d41\u91cf\u7cfb\u6570\uff08Cv\u503c\uff09\u6700\u9ad8\u3002\u5b8c\u5168\u6253\u5f00\u65f6\uff0c\u9600\u74e3\u51e0\u4e4e\u4e0e\u6c34\u6d41\u65b9\u5411\u5e73\u884c\uff0c\u4ece\u800c\u5f62\u6210\u7545\u901a\u65e0\u963b\u7684\u901a\u9053\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u6bd4\u4e4b\u4e0b\uff0c, <a href=\"https:\/\/www.tgvalve.com\/zh\/product-category\/globe-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7403\u9600<\/a> \u8feb\u4f7f\u6d41\u4f53\u6025\u5267\u6539\u53d8\u65b9\u5411\u3002\u8fd9\u79cd\u8bbe\u8ba1\u5728\u76f8\u540c\u6d41\u91cf\u4e0b\u4f1a\u4ea7\u751f\u66f4\u5927\u7684\u538b\u964d\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6d41\u91cf\u7279\u6027\u5982\u4f55\u5f71\u54cd\u8776\u9600\u6027\u80fd\uff1f<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"646\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-1200x646.webp\" alt=\"\u5bf9\u6bd4\u56fe\u663e\u793a\uff0c\u8776\u9600\u901a\u8fc7\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u6d41\u4f53\u963b\u529b\u6765\u4ea7\u751f\u66f4\u9ad8\u7684\u8776\u9600\u6d41\u91cf\u7cfb\u6570\uff08Cv\u503c\uff09\u3002\" class=\"wp-image-2516\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-1200x646.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-500x269.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-300x162.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-768x414.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-139x75.webp 139w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-480x258.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1-800x431.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-comparison-image-that-shows-butterfly-valves-producing-higher-butterfly-valve-Cv-values-by-allowing-fluid-to-pass-with-minimal-obstruction-1.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u91cf\u7279\u6027\u4f1a\u5f71\u54cd\u8776\u9600\u9600\u74e3\u4ece\u5173\u95ed\u5230\u5b8c\u5168\u6253\u5f00\u8fc7\u7a0b\u4e2d\u7684\u6d41\u91cf\u53d8\u5316\u3002\u9009\u62e9\u5408\u9002\u7684\u6d41\u91cf\u7279\u6027\u66f2\u7ebf\u53ef\u4ee5\u9632\u6b62\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u548c\u80fd\u6e90\u6d6a\u8d39\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u4e86\u89e3\u4e09\u79cd\u56fa\u6709\u7684\u9600\u95e8\u7279\u6027\u66f2\u7ebf\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5feb\u901f\u5f00\u542f<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u90e8\u5206\u6c14\u6d41\u5728\u884c\u7a0b\u7684\u524d20-30\u00b0\u5185\u901a\u8fc7\u3002\u8fd9\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5f00\u5173\u9694\u79bb\uff0c\u4f46\u96be\u4ee5\u7528\u4e8e\u7cbe\u786e\u7684\u6d41\u91cf\u8c03\u8282\u3002\u5fae\u5c0f\u7684\u79fb\u52a8\u4f1a\u5bfc\u81f4\u8f83\u5927\u7684\u6d41\u91cf\u53d8\u5316\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ebf\u6027<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u91cf\u968f\u9600\u74e3\u89d2\u5ea6\u4ee5\u6052\u5b9a\u901f\u7387\u589e\u52a0\u3002\u8fd9\u5728\u9600\u95e8\u538b\u964d\u76f8\u5bf9\u6052\u5b9a\u7684\u7cfb\u7edf\u4e2d\u6548\u679c\u6700\u4f73\uff0c\u4f8b\u5982\u6cf5\u7684\u6392\u51fa\u7ba1\u8def\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b49\u767e\u5206\u6bd4<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u5f00\u4e00\u5ea6\u90fd\u4f1a\u4f7f\u5f53\u524d\u6d41\u91cf\u589e\u52a0\u4e00\u4e2a\u56fa\u5b9a\u767e\u5206\u6bd4\u3002\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u9009\u62e9\u3002 <a href=\"https:\/\/www.tgvalve.com\/zh\/product-category\/butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u7528\u4e8e\u6d41\u91cf\u63a7\u5236\u7684\u8776\u9600<\/strong><\/a> \u5728\u53d8\u538b\u7cfb\u7edf\u4e2d\uff0c\u5305\u62ec\u6696\u901a\u7a7a\u8c03\u3001\u6c34\u5904\u7406\u548c\u5316\u5b66\u52a0\u836f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u5fc3\u6216\u5355\u504f\u5fc3\u8776\u9600\u901a\u5e38\u9075\u5faa\u5feb\u901f\u5f00\u542f\u7684\u6d41\u91cf\u7279\u6027\u3002\u53cc\u504f\u5fc3\u6216 <a href=\"https:\/\/www.tgvalve.com\/zh\/product-category\/butterfly-valve\/triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e09\u504f\u5fc3\u9600<\/a> \u5177\u6709\u7ebf\u6027\u6216\u7b49\u767e\u5206\u6bd4\u7279\u6027\u3002\u8fd9\u89e3\u91ca\u4e86\u504f\u5fc3\u9600\u5728\u8c03\u5236\u63a7\u5236\u5e94\u7528\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e0d\u540c\u5c3a\u5bf8\u7684\u9600\u95e8\u5bf9\u5e94\u7684 Cv \u503c\u5e94\u8be5\u662f\u591a\u5c11\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cv\u503c\u5927\u81f4\u4e0e\u7ba1\u9053\u76f4\u5f84\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\u3002\u56e0\u6b64\uff0c\u7ba1\u9053\u76f4\u5f84\u4ece4\u82f1\u5bf8\u589e\u52a0\u52308\u82f1\u5bf8\uff0c\u6d41\u91cf\u5927\u7ea6\u4f1a\u589e\u52a0\u56db\u500d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6309\u6807\u79f0\u5c3a\u5bf8\u5212\u5206\u7684\u5178\u578b\u5168\u5f00 Cv \u503c\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>4\u82f1\u5bf8\uff1a300\u81f3500<\/li>\n\n\n\n<li>6\u82f1\u5bf8\uff1a900\u81f31400<\/li>\n\n\n\n<li>8\u82f1\u5bf8\uff1a2,000\u81f33,200<\/li>\n\n\n\n<li>12\u82f1\u5bf8\uff1a5000\u81f38000<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u6570\u636e\u4f1a\u56e0\u789f\u7247\u51e0\u4f55\u5f62\u72b6\u548c\u5ea7\u6905\u6750\u8d28\u800c\u5f02\u3002\u8bf7\u52a1\u5fc5\u5411\u5236\u9020\u5546\u7d22\u53d6\u60a8\u8ba1\u5212\u4f7f\u7528\u7684\u7279\u5b9a\u578b\u53f7\u7684CV\u503c\u8868\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u63a7\u5236\u5e94\u7528\uff0c\u76ee\u6807\u5de5\u4f5c\u8303\u56f4\u4e3a\u5706\u76d8\u884c\u7a0b 30\u00b0 \u81f3 70\u00b0\u3002\u5728\u6b64\u8303\u56f4\u5185\uff0c <strong>\u9600\u95e8\u7279\u6027<\/strong> \u66f2\u7ebf\u6700\u5177\u53ef\u9884\u6d4b\u6027\u3002\u8fd9\u53ef\u4ee5\u4fdd\u62a4\u6267\u884c\u5668\uff0c\u5e76\u4e3a\u63a7\u5236\u56de\u8def\u63d0\u4f9b\u7a33\u5b9a\u3001\u53ef\u91cd\u590d\u7684\u54cd\u5e94\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8ba1\u7b97\u9002\u5408\u60a8\u7cfb\u7edf\u7684\u8776\u9600 Cv \u503c<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"657\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-1200x657.webp\" alt=\"\u4e00\u5f20\u4fe1\u606f\u56fe\u5c55\u793a\u4e86\u8ba1\u7b97\u8776\u9600 Cv \u503c\u7684 5 \u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u9600\u95e8\u6d41\u91cf\u63a7\u5236\u7279\u6027\u3002\" class=\"wp-image-2517\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-1200x657.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-500x274.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-300x164.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-768x420.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-1536x841.webp 1536w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-137x75.webp 137w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-480x263.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1-800x438.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-showing-5-steps-to-calculate-butterfly-valve-Cv-including-valve-characteristics-for-flow-control-1.webp 1999w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u5408\u9002\u7684 Cv \u503c\u65f6\uff0c\u5e94\u4ece\u5b9e\u9645\u7cfb\u7edf\u6761\u4ef6\u5165\u624b\uff0c\u907f\u514d\u4f9d\u8d56\u4ea7\u54c1\u76ee\u5f55\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u6309\u7167\u4ee5\u4e0b\u4e94\u4e2a\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 1\uff1a\u5b9a\u4e49\u670d\u52a1\u6761\u4ef6\u3002.&nbsp;<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u5b9a\u6d41\u4f53\u7c7b\u578b\u3001\u6d41\u91cf\uff08\u52a0\u4ed1\/\u5206\u949f\uff09\u3001\u5165\u53e3\u548c\u51fa\u53e3\u538b\u529b\u3001\u6e29\u5ea6\u548c\u6bd4\u91cd\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 2\uff1a\u8ba1\u7b97\u6240\u9700\u7684 Cv\u3002.&nbsp;<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e94\u7528\u516c\u5f0f\uff1aCv = Q \u00d7 \u221a(SG \/ \u0394P)\u3002\u5bf9\u4e8e\u53ef\u538b\u7f29\u6c14\u4f53\uff0c\u9700\u5e94\u7528\u538b\u529b\u6bd4\u4fee\u6b63\u7cfb\u6570\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 3\uff1a\u589e\u52a0\u5b89\u5168\u8fb9\u9645\u3002.&nbsp;<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9009\u62e9\u989d\u5b9a Cv \u503c\u9ad8\u4e8e\u8ba1\u7b97\u6700\u5c0f\u503c\u7684\u9600\u95e8\uff0810\u201320%\uff09\u3002\u8fd9\u8003\u8651\u4e86\u7ba1\u9053\u6469\u64e6\u635f\u5931\u548c\u9600\u5ea7\u968f\u65f6\u95f4\u63a8\u79fb\u7684\u78e8\u635f\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 4\uff1a\u68c0\u67e5\u64cd\u4f5c\u89d2\u5ea6\u3002.&nbsp;<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\u60a8\u6240\u9700\u7684 Cv \u503c\u5728\u9600\u74e3\u884c\u7a0b 30\u00b0 \u81f3 70\u00b0 \u4e4b\u95f4\u3002\u5982\u679c\u9600\u95e8\u5fc5\u987b\u5f00\u542f\u8d85\u8fc7 80\u00b0 \u624d\u80fd\u6ee1\u8db3\u9700\u6c42\uff0c\u5219\u8bf4\u660e\u9600\u95e8\u5c3a\u5bf8\u8fc7\u5c0f\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 5\uff1a\u4f7f\u66f2\u7ebf\u4e0e\u7cfb\u7edf\u884c\u4e3a\u76f8\u5339\u914d\u3002.&nbsp;<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7cfb\u7edf\u538b\u964d\u4fdd\u6301\u4e0d\u53d8\uff0c\u5219\u9009\u62e9\u7ebf\u6027\u7279\u6027\uff1b\u5982\u679c\u538b\u529b\u53d8\u5316\uff0c\u5219\u9009\u62e9\u7b49\u767e\u5206\u6bd4\u7279\u6027\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u8fc7\u7a0b\u9002\u7528\u4e8e\u4efb\u4f55 <strong>\u7528\u4e8e\u6d41\u91cf\u63a7\u5236\u7684\u8776\u9600<\/strong> \u5e94\u7528\u8303\u56f4\u5e7f\u6cdb\uff0c\u4ece\u5e02\u653f\u4f9b\u6c34\u7ba1\u9053\u5230\u5316\u5b66\u6ce8\u5165\u7cfb\u7edf\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5927\u6d41\u91cf\u3001\u4f4e\u963b\u529b\u7cfb\u7edf\u7684\u8776\u9600\u9009\u578b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5927\u76f4\u5f84\u7ba1\u9053\u4e2d\uff0c\u6b63\u786e\u9009\u62e9\u8776\u9600\u5c3a\u5bf8\u53ef\u4ee5\u964d\u4f4e\u603b\u8fd0\u884c\u6210\u672c (TCO)\u3002\u9600\u95e8\u6bcf\u635f\u5931 1 psi \u7684\u538b\u529b\uff0c\u90fd\u4f1a\u76f4\u63a5\u8f6c\u5316\u4e3a\u6cf5\u7684\u80fd\u6e90\u6210\u672c\uff0c\u5e76\u4e14\u5728\u591a\u5e74\u7684\u8fd0\u884c\u4e2d\uff0c\u4f1a\u9020\u6210\u5de8\u5927\u7684\u8d44\u672c\u6d6a\u8d39\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8776\u9600\u975e\u5e38\u9002\u5408\u8fd9\u4e9b\u7cfb\u7edf\u3002\u5176\u4f4e\u963b\u529b\u9600\u74e3\u8bbe\u8ba1\u5373\u4f7f\u5728 12 \u82f1\u5bf8\u6216 24 \u82f1\u5bf8\u7684\u5b89\u88c5\u4e2d\uff0c\u4e5f\u80fd\u5728\u5b8c\u5168\u6253\u5f00\u65f6\u5c06\u538b\u964d\u4fdd\u6301\u5728 0.5 \u81f3 2 psi\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u884c\u4e1a\u5bf9\u6b64\u5c24\u4e3a\u91cd\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6c34\u5206\u914d\u548c\u5904\u7406\uff08\u7b26\u5408 AWWA \u6807\u51c6\u7684\u5927\u76f4\u5f84\u4e3b\u7ba1\u9053\u9600\u95e8\uff09\u3002.<\/li>\n\n\n\n<li>\u6696\u901a\u7a7a\u8c03\u548c\u51b7\u5374\u5854\uff08\u53ef\u53d8\u51b7\u51bb\u6c34\u56de\u8def\u7684\u7b49\u767e\u5206\u6bd4\u63a7\u5236\uff09\u3002.<\/li>\n\n\n\n<li>\u6d88\u9632\u7cfb\u7edf\uff08UL\/FM\u8ba4\u8bc1\u7684\u8776\u9600\u5fc5\u987b\u6ee1\u8db3\u6d88\u9632\u6d41\u91cf\u7684Cv\u6700\u5c0f\u503c\uff09\u3002.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.tgvalve.com\/zh\/oil-gas-pipeline-valve-solutions\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u8f93\u9001\u7ba1\u7ebf<\/a> \uff08API 609 \u53cc\u504f\u5fc3\u8bbe\u8ba1\uff0c\u9002\u7528\u4e8e\u9ad8\u538b\u5e94\u7528\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u660e\u661f\u4ea7\u54c1\u4eae\u70b9<\/title>\n  <style>\n    \/* Added !important tags to prevent 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src=\"https:\/\/tgvalve.b-cdn.net\/wp-content\/uploads\/2025\/06\/Wafer-Triple-Offset-Butterfly-Valve-480x480.webp\" alt=\"\u5bf9\u5939\u5f0f\u4e09\u504f\u5fc3\u8776\u9600\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u5bf9\u5939\u5f0f\u4e09\u504f\u5fc3\u8776\u9600<\/div>\n    <div class=\"hero-description\">\n      <strong>\u5149\u789f:<\/strong> DI\u3001SS304\u3001SS316\u3001SS431<br>\n      <strong>\u6cd5\u5170\u5c3a\u5bf8\uff1a<\/strong> DIN PN10\/16\/25\u3001ANSI B16.1\u3001BS4504\u3001ISO PN10\/16\u3001BS 10 \u8868 D\u3001BS 10 \u8868 E\n    <\/div>\n    <span class=\"hero-link\">\u67e5\u770b\u4ea7\u54c1<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e3a\u4ec0\u4e48\u9600\u95e8\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684CV\u6570\u636e\u81f3\u5173\u91cd\u8981<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u60c5\u51b5\u8bf4\u660e\u4e86\u4e3a\u4ec0\u4e48\u5728\u9879\u76ee\u89c4\u683c\u5236\u5b9a\u8fc7\u7a0b\u4e2d\uff0c\u5411\u4f9b\u5e94\u5546\u7d22\u53d6 Cv \u9600\u6570\u636e\u81f3\u5173\u91cd\u8981\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\uff0c\u4e00\u4f4d\u6c34\u52a1\u5de5\u7a0b\u5e08\u4e3a\u4e00\u6761\u65b0\u7684\u914d\u6c34\u5e72\u7ba1\u6307\u5b9a\u4e8616\u82f1\u5bf8\u8776\u9600\u3002\u4ea7\u54c1\u76ee\u5f55\u4e0a\u6807\u660e\u5168\u5f00\u65f6\u7684\u6d41\u91cf\u7cfb\u6570\uff08Cv\uff09\u4e3a12,000\u3002\u4f46\u8be5\u7cfb\u7edf\u9700\u8981\u5c06\u6d41\u91cf\u8c03\u8282\u8303\u56f4\u63a7\u5236\u572840%\u548c60%\u4e4b\u95f4\uff0c\u5b9e\u9645\u6d41\u91cf\u7cfb\u6570\u4f4e\u4e8e6,000\u3002\u6700\u521d\u7684\u89c4\u683c\u53c2\u6570\u4e0e\u5b9e\u9645\u503c\u76f8\u5dee\u4e24\u500d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u7684\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u662f\u5b8c\u6574\u7684 Cv \u66f2\u7ebf\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4ea7\u54c1\u76ee\u5f55\uff0c\u90a3\u4e48\u8fd9\u79cd\u60c5\u51b5\u662f\u53ef\u4ee5\u907f\u514d\u7684\u3002.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"650\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-1200x650.webp\" alt=\"\u56fe\u4e2d\u5c55\u793a\u4e86TG Valve\u8776\u9600\u7684\u653e\u5927\u56fe\u50cf\u4ee5\u53ca\u6280\u672f\u6570\u636e\uff0c\u91cd\u70b9\u7a81\u51fa\u5176\u8ba4\u8bc1\uff08ISO 9001\u3001API 609\u548cCE\uff09\u548c\u7cbe\u786e\u7684\u9600\u95e8\u7279\u6027\u6570\u636e\uff0c\u4ee5\u786e\u4fdd\u9879\u76ee\u6210\u529f\u3002\" class=\"wp-image-2518\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-1200x650.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-500x271.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-300x162.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-768x416.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-139x75.webp 139w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-480x260.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1-800x433.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-enlarged-image-of-a-TG-Valve-butterfly-valve-is-displayed-alongside-technical-data-emphasizing-its-certifications-and-precise-valve-characteristics-data-to-ensure-successful-project-outcomes-1.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u5b9a\u8776\u9600\u7684\u6d41\u91cf\u5c3a\u5bf8\u9700\u8981\u6839\u636e Cv \u503c\u6570\u636e\u8868\u8ba1\u7b97\u76f8\u5173\u6307\u6807\u3002\u4f5c\u4e3a\u91c7\u8d2d\u5458\u6216\u5de5\u7a0b\u5e08\uff0c\u52a1\u5fc5\u5411\u5236\u9020\u5546\u7d22\u53d6 Cv \u503c\u8868\uff0c\u4ee5\u5e2e\u52a9\u60a8\u8ba1\u7b97\u5408\u9002\u7684\u6d41\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TG Valve \u4e3a\u6240\u6709\u8776\u9600\u578b\u53f7\u63d0\u4f9b Cv \u6570\u636e\u8868\u548c\u6d41\u91cf\u7279\u6027\u66f2\u7ebf\u3002\u6211\u4eec\u7684\u56e2\u961f\u652f\u6301\u57fa\u4e8e\u5de5\u51b5\u7684\u8776\u9600\u9009\u578b\uff0c\u6db5\u76d6\u5404\u79cd\u7ba1\u9053\u5c3a\u5bf8\u3001\u538b\u529b\u7b49\u7ea7\u548c\u6d41\u4f53\u7c7b\u578b\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u7684\u8776\u9600\u662f <a href=\"https:\/\/www.tgvalve.com\/zh\/certificate\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u901a\u8fc7 ISO 9001\u3001API 609 \u548c CE \u8ba4\u8bc1\u3002.<\/a> \u8fd9\u4e9b\u9600\u95e8\u662f\u4e3a\u5927\u6d41\u91cf\u3001\u4f4e\u963b\u529b\u7cfb\u7edf\u8bbe\u8ba1\u7684\uff0c\u5728\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u7cbe\u786e\u7684\u6570\u636e\u4f1a\u76f4\u63a5\u5f71\u54cd\u9879\u76ee\u7ed3\u679c\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6211\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684 Cv \u8ba1\u7b97\u65b9\u6cd5\u6765\u8ba1\u7b97\u84b8\u6c7d\u6216\u71c3\u6c14\u5de5\u51b5\u4e0b\u7684 Cv \u503c\u5417\uff1f<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u3002\u57fa\u672c\u7684 Cv \u516c\u5f0f\u9002\u7528\u4e8e\u6db2\u4f53\u3002\u5bf9\u4e8e\u84b8\u6c7d\u548c\u53ef\u538b\u7f29\u6c14\u4f53\uff0c\u60a8\u9700\u8981\u8003\u8651\u81a8\u80c0\u7cfb\u6570\u548c\u8fdb\u51fa\u53e3\u538b\u529b\u6bd4\u3002\u5927\u591a\u6570\u9600\u95e8\u5236\u9020\u5546\u90fd\u4f1a\u53d1\u5e03\u9488\u5bf9\u6c14\u4f53\u548c\u84b8\u6c7d\u5de5\u51b5\u7684\u5355\u72ec Cv \u503c\u8868\u6216\u4fee\u6b63\u7cfb\u6570\u3002\u5728\u6700\u7ec8\u786e\u5b9a\u89c4\u683c\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u7d22\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6267\u884c\u5668\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6709\u6548 Cv \u503c\u8303\u56f4\uff1f<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u5f39\u7c27\u590d\u4f4d\u5f0f\u6c14\u52a8\u6267\u884c\u5668\u901a\u5e38\u5c06\u884c\u7a0b\u9650\u5236\u5728 0\u00b0 \u5230 90\u00b0 \u7684\u8303\u56f4\u5185\uff0c\u8986\u76d6\u5b8c\u6574\u7684 Cv \u66f2\u7ebf\u3002\u5e26\u4f4d\u7f6e\u53cd\u9988\u7684\u7535\u52a8\u6267\u884c\u5668\u5141\u8bb8\u60a8\u8bbe\u7f6e\u8f6f\u9650\u4f4d\u3002\u8fd9\u4f1a\u5c06\u884c\u7a0b\u9650\u5236\u5728\u60a8\u7684 30\u00b0 \u5230 70\u00b0 \u7684\u63a7\u5236\u8303\u56f4\u5185\u3002\u8fd9\u65e2\u80fd\u4fdd\u62a4\u9600\u95e8\uff0c\u53c8\u80fd\u63d0\u9ad8\u63a7\u5236\u7cbe\u5ea6\uff0c\u800c\u4e0d\u4f1a\u6539\u53d8\u9600\u95e8\u56fa\u6709\u7684 Cv \u503c\u3002.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u73b0\u573a\u5e94\u591a\u4e45\u590d\u67e5\u4e00\u6b21Cv\u6027\u80fd\uff1f<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5de5\u827a\u5173\u952e\u7cfb\u7edf\uff0c\u5e94\u5728\u8ba1\u5212\u7ef4\u62a4\u5468\u671f\u5185\u91cd\u65b0\u68c0\u67e5 Cv \u503c\u3002\u901a\u5e38\u6bcf 12 \u81f3 24 \u4e2a\u6708\u8fdb\u884c\u4e00\u6b21\u7ef4\u62a4\u3002\u9600\u5ea7\u78e8\u635f\u3001\u9600\u74e3\u6d82\u5c42\u52a3\u5316\u548c\u7ba1\u9053\u5185\u6742\u7269\u5806\u79ef\u90fd\u4f1a\u5bfc\u81f4\u5b9e\u9645\u6d41\u91cf\u4f4e\u4e8e\u989d\u5b9a Cv \u503c\u3002\u5728\u9600\u95e8\u5173\u95ed\u72b6\u6001\u4e0b\u8fdb\u884c\u73b0\u573a\u538b\u5dee\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u53d1\u73b0\u4e0e\u539f\u59cb\u89c4\u683c\u7684\u504f\u5dee\u3002.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/zh\/contact\/\" style=\"background-color:#1b4ca2\" target=\"_blank\" rel=\"noreferrer noopener\">\u83b7\u53d6\u514d\u8d39\u62a5\u4ef7<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>When sizing the butterfly valve Cv\u2019s capacity, you should calculate required Cv using the specified formula for your system. The flow coefficient or Cv value tells<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/2491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/comments?post=2491"}],"version-history":[{"count":2,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/2491\/revisions"}],"predecessor-version":[{"id":2559,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/2491\/revisions\/2559"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media\/2515"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=2491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/categories?post=2491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/tags?post=2491"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}