{"id":1979,"date":"2026-02-01T09:00:00","date_gmt":"2026-02-01T09:00:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=1979"},"modified":"2026-03-04T06:14:56","modified_gmt":"2026-03-04T06:14:56","slug":"ductile-iron-vs-cast-iron-butterfly-valve-lcc","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/zh\/blog\/butterfly-valve\/comparison\/ductile-iron-vs-cast-iron-butterfly-valve-lcc\/","title":{"rendered":"\u7403\u58a8\u94f8\u94c1\u8776\u9600\u4e0e\u94f8\u94c1\u8776\u9600\uff1a\u5e02\u653f\u4f9b\u6c34\u57fa\u7840\u8bbe\u65bd\u751f\u547d\u5468\u671f\u6210\u672c\u5206\u6790"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u4ee5\u4e0b\u4e24\u8005\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9 <a href=\"https:\/\/www.tgvalve.com\/zh\/butterfly-valve-manufacturer-in-china\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600<\/strong><\/a> \u548c <strong>\u94f8\u94c1\u8776\u9600<\/strong> \u8fd9\u662f\u5e02\u653f\u4f9b\u6c34\u57fa\u7840\u8bbe\u65bd\u9886\u57df\u7684\u4e00\u9879\u91cd\u8981\u51b3\u7b56\u3002.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8eEPC\uff08\u5de5\u7a0b\u3001\u91c7\u8d2d\u548c\u65bd\u5de5\uff09\u91c7\u8d2d\u65b9\u800c\u8a00\uff0c\u4f7f\u7528\u66f4\u4fbf\u5b9c\u7684\u6750\u6599\u5f80\u5f80\u4f1a\u9020\u6210\u201c\u6280\u672f\u503a\u52a1\u201d\u3002\u8fd9\u79cd\u503a\u52a1\u4f1a\u5bfc\u81f4\u9879\u76ee\u572850\u5e74\u7684\u4f7f\u7528\u5bff\u547d\u5185\uff0c\u7ef4\u62a4\u548c\u8fd0\u8425\u6210\u672c\u5927\u5e45\u589e\u52a0\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9009\u62e9\u6210\u672c\u8f83\u4f4e\u7684\u65b9\u6848 <strong>\u94f8\u94c1\u5bf9\u5939\u5f0f\u8776\u9600<\/strong> \u6216\u8bb8\u80fd\u591f\u6ee1\u8db3\u5b63\u5ea6\u9884\u7b97\u3002\u7136\u800c\uff0c\u5f80\u5f80\u4f1a\u5728\u9879\u76ee\u751f\u547d\u5468\u671f\u540e\u671f\u5f15\u53d1\u8fd0\u8425\u652f\u51fa\uff08OPEX\uff09\u7684\u5927\u5e45\u98d9\u5347\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6307\u5357\u8ba8\u8bba\u4e86\u603b\u62e5\u6709\u6210\u672c (TCO)\uff0c\u4ee5\u5e2e\u52a9\u5229\u76ca\u76f8\u5173\u8005\u4ece\u957f\u671f\u7a33\u5b9a\u6027\u548c\u98ce\u9669\u7f13\u89e3\u7684\u89d2\u5ea6\u8bc1\u660e\u6750\u6599\u9009\u62e9\u7684\u5408\u7406\u6027\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8776\u9600\u7684\u6750\u6599\u7ec4\u6210<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u4e86\u89e3\u8fd9\u4e9b\u6750\u6599\u7684\u6210\u672c\uff0c\u4f60\u5fc5\u987b\u4e86\u89e3\u5b83\u4eec\u7684\u7ec4\u6210\u6210\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u94f8\u94c1\u6216\u7070\u94f8\u94c1\uff08ASTM A126\uff09\uff1a<\/strong> \u5b83\u56e0\u5176\u957f\u671f\u7684\u5de5\u4e1a\u5e94\u7528\u548c\u8f83\u4f4e\u7684\u6210\u672c\u800c\u95fb\u540d\u3002\u5176\u7f3a\u70b9\u662f\u7531\u4e8e\u7247\u72b6\u77f3\u58a8\u7ed3\u6784\u800c\u5bfc\u81f4\u7684\u56fa\u6709\u8106\u6027\u3002.<\/li>\n\n\n\n<li><strong>\u7403\u58a8\u94f8\u94c1\uff08ASTM A536\uff09\uff1a<\/strong> \u5176\u7279\u70b9\u662f\u5448\u201c\u7ed3\u8282\u72b6\u201d\u6216\u7403\u5f62\u77f3\u58a8\u3002\u8fd9\u8d4b\u4e88\u4e86\u5b83\u6781\u9ad8\u7684\u6297\u62c9\u5f3a\u5ea6\u548c\u67d4\u97e7\u6027\uff0c\u4f7f\u5f97 <strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600<\/strong> \u73b0\u4ee3\u8010\u7528\u6027\u6807\u51c6\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8868\u5bf9\u6bd4\u4e86\u5404\u9879\u4e3b\u8981\u7279\u5f81\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u7279\u5f81<\/strong><\/td><td><strong>\u94f8\u94c1\uff08ASTM A126\uff09<\/strong><\/td><td><strong>\u7403\u58a8\u94f8\u94c1\uff08ASTM A536\uff09<\/strong><\/td><\/tr><tr><td>\u8010\u7528\u6027<\/td><td>\u8106\u6027\uff1b\u6613\u5f00\u88c2<\/td><td>\u575a\u97e7\uff1b\u9ad8\u6297\u51b2\u51fb\u6027<\/td><\/tr><tr><td>\u6297\u62c9\u5f3a\u5ea6<\/td><td>\u8f83\u4f4e\uff08\u7ea6 31,000 psi\uff09<\/td><td>\u66f4\u9ad8\uff08~60,000+ psi\uff09<\/td><\/tr><tr><td>\u6545\u969c\u6a21\u5f0f<\/td><td>\u7834\u788e\uff08\u707e\u96be\u6027\u7684\uff09<\/td><td>\u6cc4\u6f0f\u6216\u53d8\u5f62\uff08\u53ef\u63a7\uff09<\/td><\/tr><tr><td>\u6807\u51c6\u7528\u9014<\/td><td>\u4f4e\u538b\u5ba4\u5185\u6696\u901a\u7a7a\u8c03<\/td><td>\u9ad8\u538b\u5730\u4e0b\u5e02\u653f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u94f8\u94c1 (CI) \u7684\u521d\u59cb\u8d2d\u4e70\u4ef7\u683c\u6bd4\u7403\u58a8\u94f8\u94c1 (DI) \u4f4e 10-20%\uff0c\u4f46\u7403\u58a8\u94f8\u94c1\u5728\u9879\u76ee\u751f\u547d\u5468\u671f\u5185\u80fd\u5b9e\u73b0\u66f4\u9ad8\u7684\u6295\u8d44\u56de\u62a5\u7387 (ROI)\u3002\u5b83\u901a\u8fc7\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\u964d\u4f4e\u98ce\u9669\u5e76\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\uff1a <strong>AWWA C504 \u6807\u51c6<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8776\u9600\u7684\u6280\u672f\u57fa\u7840<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u63a2\u8ba8\u4e86\u8fd9\u4e9b\u9600\u95e8\u7ecf\u4e45\u8010\u7528\u7684\u6280\u672f\u57fa\u7840\u3002\u5b83\u8be6\u7ec6\u5206\u6790\u4e86\u5176\u673a\u68b0\u8bbe\u8ba1\u5982\u4f55\u627f\u53d7\u9ad8\u538b\uff0c\u4ee5\u53ca\u7279\u6b8a\u6d82\u5c42\u5982\u4f55\u9632\u6b62\u5728\u6076\u52a3\u73af\u5883\u4e0b\u78e8\u635f\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u673a\u68b0\u5b8c\u6574\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8003\u8651\u9600\u95e8\u5bff\u547d\u65f6\uff0cERP \u5fc5\u987b\u6839\u636e\u89c4\u683c\u68c0\u67e5\u5176\u673a\u68b0\u5b8c\u6574\u6027\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/zh\/manufacturing\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600\u5236\u9020\u5546<\/strong><\/a> \u4f18\u5148\u8003\u8651\u7b26\u5408 ASTM A536 65-45-12 \u7ea7\u6807\u51c6\u3002\u8be5\u6750\u6599\u7684\u6700\u5c0f\u89c4\u5b9a\u6297\u62c9\u5f3a\u5ea6\u4e3a 65,000 psi\uff0c\u6700\u5c0f\u5c48\u670d\u5f3a\u5ea6\u4e3a 45,000 psi\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5e02\u653f\u4f9b\u6c34\u7cfb\u7edf\u4e2d\uff0c\u5982\u679c\u9047\u5230\u5730\u57fa\u79fb\u52a8\u6216\u70ed\u80c0\u51b7\u7f29\u7b49\u60c5\u51b5\uff0cDI\u8776\u9600\u4f1a\u5728\u5931\u6548\u524d\u53d1\u751f\u53d8\u5f62\u3002\u8fd9\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u5b89\u5168\u88d5\u5ea6\uff0c\u53ef\u4ee5\u9632\u6b62\u7cfb\u7edf\u5b8c\u5168\u5931\u538b\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.tgvalve.com\/zh\/blog\/butterfly-valve\/butterfly-valve-pressure-rating-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u538b\u529b\u7b49\u7ea7<\/a> \u6d82\u5c42\u6027\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7403\u58a8\u94f8\u94c1\u7684\u538b\u529b\u91cd\u91cf\u6bd4\u9488\u5bf9 250B \u7ea7\u5b89\u88c5\u8fdb\u884c\u4e86\u4f18\u5316\u3002\u7136\u800c\uff0c\u94f8\u94c1\u5219\u9700\u8981\u975e\u5e38\u539a\u91cd\u7684\u58c1\u3002\u6b64\u5916\uff0c\u7194\u7ed3 <strong>\u73af\u6c27\u6d82\u5c42 <\/strong>\u4e0e\u7403\u58a8\u94f8\u94c1\u7684\u7c98\u5408\u6548\u679c\u8981\u597d\u5f97\u591a\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c42\u4fdd\u62a4\u5c42\u5bf9\u4e8e\u9632\u6b62\u5185\u90e8\u201c\u7ed3\u8282\u5316\u201d\uff08\u4e5f\u79f0\u4e3a\u9508\u7ed3\u8282\u7684\u5f62\u6210\uff09\u81f3\u5173\u91cd\u8981\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6469\u64e6\u529b\u589e\u52a0\u548c\u6cf5\u9001\u6210\u672c\u4e0a\u5347\u3002.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>\u660e\u661f\u4ea7\u54c1\u4eae\u70b9<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: 'Poppins', Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n     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280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tgvalve.com\/zh\/product\/concentric-butterfly-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2025\/06\/Concentric-Butterfly-Valve-800x800.webp\" alt=\"\u540c\u5fc3\u8776\u9600\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u540c\u5fc3\u8776\u9600<\/div>\n    <div class=\"hero-description\">\n\u8fde\u63a5\u5f62\u5f0f\uff1a\u6cd5\u5170 \u578b\u53f7\uff1aD341X \u516c\u79f0\u76f4\u5f84\uff1a2\u2033 \u2013 64\u2033 \u4e3b\u4f53\uff1a\u78b3\u94a2\u3001\u94f8\u94a2\u3001\u953b\u94a2\u3001SS304\u3001SS316\u3001\u94dd\u9752\u94dc\u3001\u7403\u58a8\u94f8\u94c1 \u9600\u5ea7\uff1aNBR\u3001PTFE\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\">\u6218\u7565\u6027\u90e8\u7f72\u4ee5\u63d0\u9ad8\u8fd0\u8425\u6548\u7387<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8282\u8ba8\u8bba\u5e02\u653f\u4f9b\u6c34\u5de5\u7a0b\u4e2d\u9600\u95e8\u5b89\u88c5\u7684\u76f8\u5173\u89c4\u8303\u3002\u8fd9\u4e9b\u89c4\u8303\u6709\u52a9\u4e8e\u964d\u4f4e\u9ad8\u6602\u7684\u7ef4\u62a4\u8d39\u7528\u548c\u907f\u514d\u610f\u5916\u4e8b\u6545\u7684\u53d1\u751f\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6750\u6599\u7684\u9009\u62e9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6750\u6599\u7684\u9009\u62e9\u5e94\u4e0e\u73af\u5883\u76f8\u9002\u5e94\u3002\u5bf9\u4e8e\u5730\u4e0b\u73af\u5883\u800c\u8a00\uff0c\u6750\u6599\u9009\u62e9\u5e94\u4e0e\u73af\u5883\u76f8\u9002\u5e94\u3002 <strong>\u4f9b\u6c34\u9600\uff0c, <\/strong>\u5efa\u8bae\u4f7f\u7528\u7403\u58a8\u94f8\u94c1\uff0c\u56e0\u4e3a\u5373\u4f7f\u5730\u57fa\u53d1\u751f\u79fb\u52a8\uff0c\u7403\u58a8\u94f8\u94c1\u4e5f\u4e0d\u4f1a\u5f00\u88c2\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6c34\u6cf5\u7ad9\u5185\u90e8\uff0c\u5b83\u4e5f\u662f\u4e00\u79cd\u66f4\u5b89\u5168\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u627f\u53d7\u6301\u7eed\u7684\u6cf5\u9001\u632f\u52a8\u800c\u4e0d\u4f1a\u635f\u574f\u3002.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88c5\u7269\u6d41<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u9879\u5de5\u4f5c\u7684\u201c\u9690\u6027\u6210\u672c\u201d <strong>\u94f8\u94c1\u5bf9\u5939\u5f0f\u8776\u9600<\/strong> \u8fd9\u79cd\u91d1\u5c5e\u5f80\u5f80\u5728\u57cb\u5165\u5730\u4e0b\u4e4b\u524d\u5c31\u5df2\u51fa\u73b0\u95ee\u9898\u3002\u7531\u4e8e\u91d1\u5c5e\u975e\u5e38\u8106\uff0c\u5728\u8fd0\u8f93\u6216\u642c\u8fd0\u8fc7\u7a0b\u4e2d\u5f88\u5bb9\u6613\u5f00\u88c2\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f\u662f\u5fae\u5c0f\u7684\u88c2\u7f1d\u4e5f\u53ef\u80fd\u5bfc\u81f4\u9600\u95e8\u65e0\u6cd5\u901a\u8fc7\u538b\u529b\u6d4b\u8bd5\uff0c\u4ece\u800c\u9020\u6210\u6602\u8d35\u7684\u5ef6\u8bef\u548c\u66f4\u6362\u8d39\u7528\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u94f8\u94c1\u548c\u7403\u58a8\u94f8\u94c1\u5728\u9600\u95e8\u5236\u9020\u65b9\u9762\u7684\u6bd4\u8f83\u603b\u7ed3\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u9636\u6bb5<\/strong><\/td><td><strong>\u94f8\u94c1\uff08CI\uff09<\/strong><\/td><td><strong>\u7403\u58a8\u94f8\u94c1\uff08DI\uff09<\/strong><\/td><\/tr><tr><td>\u7b2c0\u5e74\uff1a\u8d44\u672c\u652f\u51fa<\/td><td>15% \u521d\u59cb\u6210\u672c\u8f83\u4f4e<\/td><td>\u6807\u51c6\u5e02\u573a\u5b9a\u4ef7<\/td><\/tr><tr><td>1-10 \u5e74\uff1a\u7ef4\u62a4<\/td><td>\u5b9a\u671f\u8fdb\u884c\u5bc6\u5c01\u68c0\u67e5<\/td><td>\u6700\u5c0f\u5e72\u9884<\/td><\/tr><tr><td>15-30\u5c81\uff1a\u98ce\u9669<\/td><td>\u8106\u6027\u9aa8\u6298\u98ce\u9669\u9ad8<\/td><td>\u9ad8\u7a33\u5b9a\u6027\uff1b\u65e0\u75b2\u52b3<\/td><\/tr><tr><td>\u7b2c50\u5e74\uff1aTCO<\/td><td>2.5\u500d\u521d\u59cb\u6295\u8d44<\/td><td>1.1\u500d\u521d\u59cb\u6295\u8d44<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u9879\u4e3a\u671f50\u5e74\u7684\u73b0\u91d1\u6d41\u5206\u6790\u8868\u660e\uff0cDI\u9600\u901a\u5e38\u6bd4\u4f20\u7edf\u9600\u95e8\u5c1140%\u7684\u7ef4\u62a4\u5de5\u65f6\u3002 <strong>\u4f9b\u6c34\u9600<\/strong>, \u4e00\u6b21\u7d27\u6025\u7ef4\u4fee\u7684\u8d39\u7528\u901a\u5e38\u8d85\u8fc7\u5341\u4e2a\u65b0\u9600\u95e8\u7684\u603b\u4ef7\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8010\u4e45\u6027\u53ca\u9600\u95e8\u6545\u969c\u6210\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5e02\u653f\u4f9b\u6c34\u5de5\u7a0b\u4e2d\uff0c <strong>\u4f9b\u6c34\u9600<\/strong> \u4ee5\u7cfb\u7edf\u538b\u529b\u6d4b\u8bd5\u671f\u95f4\u7684\u6027\u80fd\u6765\u8861\u91cf\u3002\u7b26\u5408 <strong><a href=\"https:\/\/www.tgvalve.com\/zh\/blog\/butterfly-valve\/butterfly-valve-standards-overview\/\" target=\"_blank\" rel=\"noreferrer noopener\">AWWA C504<\/a> <\/strong>\u8be5\u6807\u51c6\u786e\u4fdd\u9600\u95e8\u7684\u8bbe\u8ba1\u80fd\u591f\u627f\u53d7\u5267\u70c8\u7684\u6db2\u538b\u4f5c\u7528\u529b\u3002.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6c34\u9524\u548c\u51b2\u51fb\u6ce2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e02\u653f\u4f9b\u6c34\u7ba1\u7f51\u7ecf\u5e38\u51fa\u73b0\u201c\u6c34\u9524\u201d\u73b0\u8c61\u3002\u8fd9\u662f\u7531\u4e8e\u6c34\u6cf5\u7a81\u7136\u505c\u6b62\u6216\u9600\u95e8\u7a81\u7136\u5173\u95ed\u9020\u6210\u7684\u3002 <strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600<\/strong> \u5b83\u51ed\u501f\u81ea\u8eab\u56fa\u6709\u7684\u5f39\u6027\u5438\u6536\u8fd9\u4e9b\u80fd\u91cf\u5cf0\u503c\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u51b2\u51fb\u8f7d\u8377\u53ef\u80fd\u4f1a\u4f7f\u94f8\u94c1\u5916\u58f3\u7834\u788e\uff0c\u4ece\u800c\u5bfc\u81f4\u610f\u5916\u505c\u673a\u98ce\u9669\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u8d25\u7684\u4ee3\u4ef7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d27\u6025\u52a8\u5458\u548c\u76d1\u7ba1\u5904\u7f5a\u662f\u6545\u969c\u6210\u672c\u7684\u4e00\u90e8\u5206\u3002\u7136\u800c\uff0c\u7531\u5fae\u5c0f\u88c2\u7f1d\u9020\u6210\u7684\u95f4\u63a5\u6210\u672c\uff0c\u4f8b\u5982\u58f0\u8a89\u53d7\u635f\u548c\u201c\u975e\u6536\u76ca\u6c34\u201d\u635f\u5931\uff0c\u4e5f\u4f1a\u589e\u52a0\u652f\u51fa\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600\u5236\u9020\u5546 <\/strong>&nbsp;\u63d0\u4f9b\u7ecf\u8ba4\u8bc1\u7684\u6d4b\u8bd5\u62a5\u544a\uff0c\u4ee5\u786e\u4fdd\u6750\u6599\u6807\u51c6\u5316\uff0c\u5e76\u9632\u8303\u8d23\u4efb\u548c\u6210\u672c\u3002.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bf9EPC\u4e70\u5bb6\u7684\u5efa\u8bae<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EPC\u91c7\u8d2d\u65b9\u5e94\u9009\u62e9\u7403\u58a8\u94f8\u94c1\u4f5c\u4e3a\u6240\u6709\u8f93\u7535\u5e72\u7ebf\u6750\u6599\u3002\u6b64\u5916\uff0c\u52a1\u5fc5\u786e\u4fdd\u4f9b\u5e94\u5546\u63d0\u4f9b\u6750\u6599\u6d4b\u8bd5\u62a5\u544a\uff08MTR\uff09\uff0c\u4ee5\u786e\u8ba4\u5176\u7b26\u5408ASTM A536\u6807\u51c6\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u4f4e\u4ef7\u4e2d\u6807\u4e2d\u5e38\u89c1\u7684\u201c\u6750\u6599\u66ff\u4ee3\u6b3a\u8bc8\u201d\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4ee3\u57fa\u7840\u8bbe\u65bd\u5229\u7528\u4f20\u611f\u5668\u8fdb\u884c\u9884\u6d4b\u6027\u7ef4\u62a4\u3002\u7a33\u5b9a\u6027 <strong>\u7403\u58a8\u94f8\u94c1\u8776\u9600<\/strong> \u786e\u4fdd\u6267\u884c\u5668\u548c\u4f20\u611f\u5668\u5373\u4f7f\u5728\u6570\u5341\u5e74\u5185\u4e5f\u80fd\u63d0\u4f9b\u51c6\u786e\u7684\u6570\u636e\u3002\u8fd9\u6bd4\u5b9a\u671f\u76d1\u6d4b\u6027\u80fd\u4e0b\u964d\u7684\u90e8\u4ef6\u66f4\u9ad8\u6548\u3002 <strong>\u94f8\u94c1\u8776\u9600\u3002.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7403\u58a8\u94f8\u94c1\uff0c\u91c7\u7528\u7ef4\u62a4\u826f\u597d\u7684 <strong>\u73af\u6c27\u6d82\u5c42,<\/strong> \u5728\u8003\u8651\u603b\u4f53\u62e5\u6709\u6210\u672c\u65f6\uff0c\u5bf9\u4e8e\u73b0\u4ee3\u5e02\u653f\u9879\u76ee\u800c\u8a00\uff0c\u8fd9\u624d\u662f\u5207\u5b9e\u53ef\u884c\u7684\u9009\u62e9\u3002\u4ece\u201c\u6700\u4f4e\u62a5\u4ef7\u201d\u8f6c\u5411\u201c\u6700\u4f4e\u751f\u547d\u5468\u671f\u6210\u672c\u201d\u5bf9\u4e8e\u5efa\u8bbe\u53ef\u6301\u7eed\u7684\u6c34\u5229\u57fa\u7840\u8bbe\u65bd\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u6709\u52a9\u4e8e\u5728\u4e0d\u4ea7\u751f\u9ad8\u6602\u7ef4\u4fee\u548c\u8d23\u4efb\u6210\u672c\u7684\u60c5\u51b5\u4e0b\u4e3a\u516c\u4f17\u63d0\u4f9b\u670d\u52a1\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u957f\u7684\u4f7f\u7528\u5bff\u547d\u4e5f\u80fd\u51cf\u5c11\u78b3\u6392\u653e\u3002\u9009\u62e9\u4f7f\u7528\u5bff\u547d\u4e3a 50 \u5e74\u800c\u975e 20 \u5e74\u7684\u9600\u95e8\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u9879\u76ee\u7684\u78b3\u6392\u653e\u91cf\u3002\u8fd9\u79cd\u8010\u7528\u6027\u8fd8\u80fd\u51cf\u5c11\u4e0e\u91cd\u578b\u66ff\u6362\u673a\u68b0\u7684\u5236\u9020\u3001\u51b6\u70bc\u548c\u8fd0\u8f93\u76f8\u5173\u7684\u73af\u5883\u5f71\u54cd\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-vivid-cyan-blue-background-color has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/zh\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u83b7\u53d6\u514d\u8d39\u62a5\u4ef7<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u4e3a\u4ec0\u4e48\u57cb\u5730\u6c34\u7ba1\u66f4\u503e\u5411\u4e8e\u4f7f\u7528\u7403\u58a8\u94f8\u94c1\u800c\u4e0d\u662f\u94f8\u94c1\uff1f<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7403\u58a8\u94f8\u94c1\u7684\u201c\u7403\u72b6\u201d\u7ed3\u6784\u4f7f\u5176\u80fd\u591f\u5f2f\u66f2\u800c\u4e0d\u65ad\u88c2\u3002\u8fd9\u79cd\u5f39\u6027\u5bf9\u4e8e\u66b4\u9732\u4e8e\u5730\u57fa\u79fb\u52a8\u6216\u91cd\u578b\u8f66\u8f86\u78be\u538b\u4e0b\u7684\u5730\u4e0b\u6784\u4ef6\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u79cd\u67d4\u97e7\u6027\u53ef\u4ee5\u9632\u6b62\u94f8\u94c1\u9600\u95e8\u5e38\u89c1\u7684\u8106\u6027\u5f00\u88c2\u548c\u707e\u96be\u6027\u6545\u969c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u73af\u6c27\u6d82\u5c42\u5982\u4f55\u5f71\u54cd\u4f9b\u6c34\u9600\u7684\u4f7f\u7528\u5bff\u547d\uff1f<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u8d28\u91cf <strong>\u73af\u6c27\u6d82\u5c42<\/strong> \u9632\u6b62\u8150\u8680\u548c\u7ed3\u57a2\u3002\u5149\u6ed1\u7684\u5185\u8868\u9762\u53ef\u51cf\u5c11\u6469\u64e6\u635f\u5931\uff0c\u964d\u4f4e\u6cf5\u9001\u80fd\u8017\u3002\u8fd9\u4f7f\u5f97\u9600\u95e8\u7684\u4f7f\u7528\u5bff\u547d\u5f97\u4ee5\u5ef6\u957f\uff0c\u5728\u5e02\u653f\u73af\u5883\u4e2d\u53ef\u4f7f\u7528\u8d85\u8fc750\u5e74\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. AWWA C504 \u6807\u51c6\u662f\u5426\u9002\u7528\u4e8e\u8fd9\u4e24\u79cd\u6750\u6599\uff1f<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6807\u51c6\u6db5\u76d6\u4e86\u6240\u6709\u65b9\u9762\uff0c\u5e76\u8bbe\u5b9a\u4e86\u4e25\u683c\u7684\u6027\u80fd\u6807\u51c6\u3002\u7403\u58a8\u94f8\u94c1\u6ee1\u8db3\u9ad8\u538b\u548c\u8bbe\u8ba1\u9a8c\u8bc1\u8981\u6c42\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5bfb\u6c42\u957f\u671f\u53ef\u9760\u6027\u548c\u5408\u89c4\u6027\u7684EPC\u91c7\u8d2d\u65b9\u800c\u8a00\uff0c\u7403\u58a8\u94f8\u94c1\u662f\u63a8\u8350\u6750\u6599\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing between a ductile iron butterfly valve and a cast iron butterfly valve is an important decision in municipal water infrastructure.\u00a0 For EPC (Engineering, Procurement, and<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-1979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparison"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1979","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=1979"}],"version-history":[{"count":1,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1979\/revisions"}],"predecessor-version":[{"id":1981,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1979\/revisions\/1981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media\/1980"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=1979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/categories?post=1979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/tags?post=1979"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}