{"id":2519,"date":"2026-06-22T10:20:00","date_gmt":"2026-06-22T10:20:00","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=2519"},"modified":"2026-07-07T07:28:37","modified_gmt":"2026-07-07T07:28:37","slug":"duplex-super-duplex-butterfly-valves-seawater","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/zh\/blog\/butterfly-valve\/duplex-super-duplex-butterfly-valves-seawater\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u53cc\u8054\u8776\u9600\u662f\u6d77\u6c34\u670d\u52a1\u7684\u6807\u51c6\u9009\u62e9"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u590d\u5f0f\u516c\u5bd3\u548c\u8d85\u7ea7 <strong>\u53cc\u8054\u9600<\/strong> \u7531\u4e8e\u91c7\u7528\u4e0d\u9508\u94a2\u548c\u53cc\u76f8\u4e0d\u9508\u94a2\u6750\u6599\u5236\u9020\uff0c\u8fd9\u7c7b\u9600\u95e8\u662f\u6d77\u6c34\u5e94\u7528\u7684\u6807\u51c6\u9009\u62e9\u3002\u9600\u95e8\u4e2d\u4f7f\u7528\u7684\u5408\u91d1\u542b\u6709\u94c1\u7d20\u4f53\u548c\u5965\u6c0f\u4f53\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u5f3a\u5ea6\u548c\u8010\u6c2f\u5316\u7269\u6027\u80fd\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u8d85\u7ea7\u53cc\u76f8\u4e0d\u9508\u94a2\u662f\u5408\u91d1\u542b\u91cf\u66f4\u9ad8\u3001\u6027\u80fd\u66f4\u4f18\u7684\u7248\u672c\u3002\u5b83\u6bd4\u666e\u901a\u53cc\u76f8\u4e0d\u9508\u94a2\u5177\u6709\u66f4\u597d\u7684\u6297\u70b9\u8680\u548c\u6297\u6c2f\u5316\u7269\u5e94\u529b\u8150\u8680\u5f00\u88c2\u6027\u80fd\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u4e3a\u4ec0\u4e48 <strong>\u53cc\u8054\u8776\u9600 <\/strong>\u8d85\u7ea7 <strong>\u53cc\u8054\u9600 <\/strong>\u975e\u5e38\u9002\u5408\u6d77\u6c34\u5e94\u7528\u3002.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4ec0\u4e48\u662f\u53cc\u8054\u8776\u9600\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u62fc\u522b\u5885\u6216 <a href=\"https:\/\/www.tgvalve.com\/zh\/product-category\/butterfly-valve\/triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u6d77\u6c34\u7ea7\u8776\u9600<\/a> \u8fd9\u662f\u4e00\u6b3e\u56db\u5206\u4e4b\u4e00\u5708\u6d41\u91cf\u63a7\u5236\u9600\u3002\u9600\u74e3\u548c\u9600\u4f53\u5747\u91c7\u7528\u53cc\u76f8\u6216\u8d85\u7ea7\u53cc\u76f8\u4e0d\u9508\u94a2\u5236\u6210\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2018\u53cc\u76f8\u94a2\u2019\u6307\u7684\u662f\u91d1\u5c5e\u5408\u91d1\uff0c\u800c\u4e0d\u662f\u8776\u9600\u7684\u7c7b\u578b\u3002\u5b83\u662f\u7531\u5965\u6c0f\u4f53-\u94c1\u7d20\u4f53\u7ec4\u7ec7\u7ed3\u6784\u7684\u94a2\u5408\u91d1\u6784\u6210\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5965\u6c0f\u4f53\u94a2<\/strong> \u5177\u6709\u9632\u8150\u8680\u548c\u575a\u97e7\u7684\u7279\u6027\u3002.<\/li>\n\n\n\n<li><strong>\u94c1\u7d20\u4f53\u94a2 <\/strong>\u589e\u5f3a\u5176\u6297\u5e94\u529b\u548c\u6297\u5e94\u529b\u8150\u8680\u5f00\u88c2\u7684\u80fd\u529b\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u8005\u7ed3\u5408\u4f7f\u7528\uff0c\u5176\u6027\u80fd\u4f18\u4e8e\u4efb\u4f55\u5355\u4e00\u6750\u6599\u3002\u53cc\u76f8\u94a22205\u548c\u8d85\u7ea7\u53cc\u76f8\u94a22507\u662f\u6d77\u6c34\u8776\u9600\u5e38\u7528\u7684\u4e24\u79cd\u94a2\u79cd\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u53cc\u62fc\u522b\u5885 2205 \u548c\u8d85\u7ea7\u53cc\u62fc\u522b\u5885 2507 \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u76f8\u94a22205\u548c\u8d85\u7ea7\u53cc\u76f8\u94a22507\u7684\u6027\u80fd\u90fd\u4f18\u4e8e\u4e0d\u9508\u94a2\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u8bbe\u8ba1\u7528\u9014\u4e0d\u540c\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5408\u91d1\u6210\u5206\uff0c\u8fd9\u76f4\u63a5\u5f71\u54cd\u5b83\u4eec\u62b5\u6297\u6c2f\u5316\u7269\u4fb5\u8680\u7684\u80fd\u529b\u3002.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2205 \u7ea7\u6d77\u6c34\u9600\u95e8\u9002\u7528\u4e8e\u4e2d\u7b49\u73af\u5883\u3002\u8d85\u7ea7\u53cc\u76f8\u94a2 2507 \u5219\u80fd\u5e94\u5bf9\u6700\u5177\u8150\u8680\u6027\u7684\u6d77\u6c34\u548c\u76d0\u6c34\u73af\u5883\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u7b49\u7ea7\u90fd\u662f\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8861\u91cf\u7684\uff1a <em>PREN<\/em>, \u8fd9\u610f\u5473\u7740 <em>\u70b9\u8680\u963b\u529b\u5f53\u91cf\u6570<\/em>. \u8fd9\u662f\u5de5\u7a0b\u5e08\u7528\u6765\u8861\u91cf\u91d1\u5c5e\u62b5\u6297\u70b9\u8680\u80fd\u529b\u7684\u201c\u7b49\u7ea7\u201d\u6216\u5206\u6570\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u5404\u7b49\u7ea7\u7684\u5177\u4f53\u89c4\u683c\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u53cc\u76f8\u94a2 2205 (UNS S31803 \/ S32205: ASTM A182 F51)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"648\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-1200x648.webp\" alt=\"\u9002\u7528\u4e8e\u6d77\u6c34\u73af\u5883\u7684\u53cc\u76f8\u94a2\u8776\u9600\uff0c\u91c7\u7528\u53cc\u76f8\u94a2 2205 \u6750\u6599\uff0cPREN \u503c\u4e3a 35\uff0c\u9002\u7528\u4e8e\u6cbf\u6d77\u73af\u5883\u3002\" class=\"wp-image-2521\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-1200x648.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-500x270.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-300x162.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-768x415.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-139x75.webp 139w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-480x259.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service-800x432.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-duplex-butterfly-valve-for-seawater-applications-featuring-Duplex-2205-material-with-a-PREN-of-35-for-coastal-service.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542b\u6709 22% \u94ec\u30015% \u954d\u548c 3% \u94bc\u3002.<\/li>\n\n\n\n<li>PREN \u503c\u8fbe\u5230\u7ea6 35\u3002.<\/li>\n\n\n\n<li>\u6297\u62c9\u5f3a\u5ea6\u5927\u7ea6\u662f 316L \u4e0d\u9508\u94a2\u7684\u4e24\u500d\uff08~620 MPa \u5bf9 ~480 MPa\uff09\u3002.<\/li>\n\n\n\n<li>\u5904\u7406\u5fae\u54b8\u6c34\u3001\u51b7\u5374\u6c34\u5faa\u73af\u7cfb\u7edf\u548c\u4f4e\u76d0\u5ea6\u6cbf\u6d77\u53d6\u6c34\u3002.<\/li>\n\n\n\n<li>\u5728\u95f4\u6b47\u6027\u63a5\u89e6\u6d77\u6c34\u6216\u6c2f\u5316\u7269\u542b\u91cf\u4f4e\u4e8e 10,000 ppm \u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u662f\u4e00\u79cd\u7ecf\u6d4e\u6709\u6548\u7684\u9009\u62e9\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8d85\u7ea7\u53cc\u76f8\u94a2 2507 (UNS S32750: ASTM A182 F53)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"651\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-1200x651.webp\" alt=\"\u4e00\u6b3e\u4e13\u4e3a\u9ad8\u538b\u6d77\u6c34\u73af\u5883\u8bbe\u8ba1\u7684\u8d85\u5f3a\u53cc\u8054\u8776\u9600\uff0c\u91c7\u75282507\u5408\u91d1\uff0cPREN\u503c\u4e3a43\uff0c\u5177\u6709\u4f18\u5f02\u7684\u6df1\u6d77\u8010\u8150\u8680\u6027\u80fd\u3002\" class=\"wp-image-2522\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-1200x651.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-500x271.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-300x163.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-768x416.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-138x75.webp 138w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-480x260.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance-800x434.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/A-super-duplex-butterfly-valve-designed-for-high-pressure-seawater-service-featuring-2507-alloy-with-a-PREN-of-43-for-deepsea-corrosion-resistance.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542b\u6709 25% \u94ec\u30017% \u954d\u30014% \u94bc\u548c 0.3% \u6c2e\u3002.<\/li>\n\n\n\n<li>PREN \u503c\u8fbe\u5230\u7ea6 43\uff0c\u6ee1\u8db3\u8fde\u7eed\u6d77\u6c34\u670d\u52a1 \u226540 \u7684\u9608\u503c\u3002.<\/li>\n\n\n\n<li>\u5c48\u670d\u5f3a\u5ea6\u53ef\u8fbe\u7ea6 550 MPa\uff0c\u4ece\u800c\u53ef\u4ee5\u5236\u9020\u66f4\u8584\u7684\u58c1\u539a\u548c\u66f4\u8f7b\u7684\u7ec4\u4ef6\u3002.<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u5de5\u4f5c\u538b\u529b\u4e3a 55\u201380 bar \u7684\u53cd\u6e17\u900f (RO) \u9ad8\u538b\u8fdb\u6599\u88c5\u7f6e\u3002.<\/li>\n\n\n\n<li>\u7528\u4e8e\u6d77\u4e0a\u6d77\u6c34\u63d0\u5347\u7cfb\u7edf\u3001\u6d88\u9632\u6c34\u7ba1\u7f51\u548c\u91c7\u51fa\u6c34\u6ce8\u5165\u7ba1\u7ebf\u7684\u6807\u51c6\u6750\u6599\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u53cc\u76f8\u4e0d\u9508\u94a2\u9002\u7528\u4e8e\u6d77\u6c34\u73af\u5883\u5417\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\uff0c\u53cc\u76f8\u94a2\u548c\u8d85\u53cc\u76f8\u94a2\u662f\u4e13\u95e8\u4e3a\u5bcc\u542b\u6c2f\u5316\u7269\u548c\u6d77\u6c34\u73af\u5883\u5f00\u53d1\u7684\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/zh\/product\/metal-to-metal-triple-offset-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u6807\u51c6316L\u4e0d\u9508\u94a2\u9600\u95e8<\/a> \u5f53\u6c2f\u5316\u7269\u6d53\u5ea6\u8d85\u8fc7 1000 ppm \u4e14\u6e29\u5ea6\u8f83\u9ad8\u65f6\uff0c\u5c31\u4f1a\u5f00\u59cb\u51fa\u73b0\u70b9\u8680\u3002\u76d0\u6c34\u4e2d\u6c2f\u5316\u7269\u6d53\u5ea6\u4ecb\u4e8e 19000 \u81f3 35000 ppm \u4e4b\u95f4\u3002\u56e0\u6b64\uff0c\u5728\u5927\u591a\u6570\u5de5\u4e1a\u5e94\u7528\u4e2d\uff0c\u5b83\u4e0d\u9002\u5408\u76f4\u63a5\u7528\u4e8e\u6d77\u6c34\u3002.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u51b3\u65b9\u6cd5\u662f\u6839\u636e\u76d0\u5ea6\u6c34\u5e73\u4f7f\u7528\u53cc\u8054\u4f53 2205 \u6216\u8d85\u7ea7\u53cc\u8054\u4f53 2507\u3002.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duplex 2205 \u5c06 PREN \u6807\u51c6\u63d0\u9ad8\u5230 ~35\uff0c\u9002\u7528\u4e8e\u5fae\u54b8\u6c34\u548c\u4f4e\u76d0\u5ea6\u6cbf\u6d77\u53d6\u6c34\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5168\u6d53\u5ea6\u6d77\u6c34\uff0c\u5c24\u5176\u662f\u5728\u6e29\u5ea6\u9ad8\u4e8e 25\u00b0C \u7684\u60c5\u51b5\u4e0b\uff0c\u5de5\u7a0b\u5e08\u8981\u6c42 PREN \u2265 40\u3002.<\/li>\n\n\n\n<li>\u8d85\u7ea7\u53cc\u76f8\u94a2 2507 \u7684 PREN \u503c\u7ea6\u4e3a 43\u3002\u5b83\u80fd\u62b5\u6297\u6c2f\u5316\u7269\u5e94\u529b\u8150\u8680\u5f00\u88c2\uff0c\u8fd9\u662f 304 \u548c 316L \u7b49\u724c\u53f7\u5e38\u89c1\u7684\u5931\u6548\u6a21\u5f0f\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8010\u8150\u8680\u6027\u6bd4\u8f83\uff1a\u6d77\u6c34\u5e38\u7528\u9600\u95e8\u6750\u6599<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8868\u6bd4\u8f83\u4e86\u6d77\u6c34\u548c\u6d77\u6c34\u6de1\u5316\u670d\u52a1\u4e2d\u6700\u5e38\u7528\u7684\u9600\u95e8\u6750\u6599\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PREN\u503c\u8d8a\u9ad8\uff0c\u610f\u5473\u7740\u5bf9\u6c2f\u5316\u7269\u5f15\u8d77\u7684\u70b9\u8680\u7684\u62b5\u6297\u529b\u8d8a\u5f3a\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u6750\u6599<\/strong><\/th><th><strong>\u94ec\uff08<\/strong><strong>\u94ec<\/strong><strong>) %<\/strong><\/th><th><strong>\u83ab\uff08<\/strong><strong>\u94bc<\/strong><strong>) %<\/strong><\/th><th><strong>PREN<\/strong><\/th><th><strong>\u6d77\u6c34\u9002\u7528\u6027<\/strong><\/th><\/tr><\/thead><tbody><tr><td>316L\u4e0d\u9508\u94a2<\/td><td>16\u81f318<\/td><td>2\u52303<\/td><td>~24<\/td><td>\u4e0d\u5efa\u8bae\u4f7f\u7528\uff1a\u6c2f\u5316\u7269\u6d53\u5ea6\u8d85\u8fc7 1000 ppm \u65f6\u5b58\u5728\u70b9\u8680\u98ce\u9669<\/td><\/tr><tr><td>\u590d\u5f0f\u516c\u5bd3 2205<\/td><td>22<\/td><td>3<\/td><td>~35<\/td><td>\u9002\u7528\u4e8e\u5fae\u54b8\u6c34\u548c\u4f4e\u76d0\u5ea6\u6cbf\u6d77\u53d6\u6c34\u3002.<\/td><\/tr><tr><td>\u8d85\u7ea7\u590d\u5f0f\u516c\u5bd3 2507<\/td><td>25<\/td><td>4<\/td><td>~43<\/td><td>\u9002\u7528\u4e8e\u5168\u6d53\u5ea6\u6d77\u6c34\u548c\u76d0\u6c34\u73af\u5883<\/td><\/tr><tr><td>2\u7ea7\u949b<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u66f4\u5f3a\u7684\u6297\u6027\uff1a\u6210\u672c\u663e\u8457\u66f4\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u53cc\u76f8\u548c\u8d85\u53cc\u76f8\u9600\u7684\u4e3b\u8981\u4f18\u52bf<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"656\" src=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-1200x656.webp\" alt=\"\u4e00\u5f20\u4fe1\u606f\u56fe\u89e3\u91ca\u4e86\u5de5\u7a0b\u5e08\u4e3a\u4ec0\u4e48\u9009\u62e9\u6d77\u6c34\u7ea7\u9600\u95e8\" class=\"wp-image-2523\" srcset=\"https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-1200x656.webp 1200w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-500x273.webp 500w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-300x164.webp 300w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-768x420.webp 768w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-1536x839.webp 1536w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-18x10.webp 18w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-137x75.webp 137w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-480x262.webp 480w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves-800x437.webp 800w, https:\/\/www.tgvalve.com\/wp-content\/uploads\/2026\/07\/An-infographic-that-explains-why-engineers-choose-seawater-grade-valves.webp 1999w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u7a0b\u5e08\u6307\u5b9a\u4f7f\u7528\u6d77\u6c34\u9600\u95e8\u7684\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6297\u70b9\u8680\u548c\u7f1d\u9699\u8150\u8680\u6027\u80fd<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u94bc\u548c\u9ad8\u6c2e\u542b\u91cf\u80fd\u591f\u6709\u6548\u963b\u6b62\u6c2f\u5316\u7269\u5bf9\u9600\u74e3\u8fb9\u7f18\u3001\u9600\u6746\u548c\u9600\u5ea7\u8868\u9762\u7684\u4fb5\u8680\u3002\u8fd9\u4e9b\u533a\u57df\u662f\u9600\u95e8\u7ec4\u4ef6\u4e2d\u6700\u5bb9\u6613\u53d1\u751f\u7f1d\u9699\u8150\u8680\u7684\u5730\u65b9\u3002.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u9ad8\u673a\u68b0\u5f3a\u5ea6<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u76f8\u4e0d\u9508\u94a2 2205 \u7684\u5c48\u670d\u5f3a\u5ea6\u7ea6\u4e3a 450 MPa\uff0c\u800c 316L \u7684\u5c48\u670d\u5f3a\u5ea6\u4ec5\u4e3a 170 MPa\u3002\u8fd9\u4f7f\u5f97\u5de5\u7a0b\u5e08\u80fd\u591f\u5728\u4e0d\u964d\u4f4e\u8010\u538b\u7b49\u7ea7\u7684\u60c5\u51b5\u4e0b\u8bbe\u8ba1\u58c1\u539a\u66f4\u8584\u7684\u90e8\u4ef6\uff0c\u4ece\u800c\u51cf\u8f7b\u6d77\u4e0a\u5e73\u53f0\u4e0a\u90e8\u7ed3\u6784\u7684\u91cd\u91cf\u3002.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6297\u5e94\u529b\u8150\u8680\u5f00\u88c2\u6027\u80fd<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u76f8\u94a2\u4e2d\u7684\u94c1\u7d20\u4f53\u76f8\u80fd\u591f\u963b\u788d\u88c2\u7eb9\u6269\u5c55\u3002\u7eaf\u5965\u6c0f\u4f53\u94a2\u5728\u62c9\u5e94\u529b\u548c\u6c2f\u5316\u7269\u5171\u540c\u4f5c\u7528\u4e0b\u4f1a\u53d1\u751f\u5f00\u88c2\u3002\u800c\u53cc\u76f8\u94a2\u5219\u4e0d\u4f1a\u5f00\u88c2\uff0c\u8fd9\u5728\u9ad8\u538b\u6d77\u6c34\u6de1\u5316\u7ba1\u9053\u4e2d\u662f\u4e00\u9879\u5173\u952e\u4f18\u52bf\u3002.<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u964d\u4f4e\u751f\u547d\u5468\u671f\u6210\u672c<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6d89\u53ca\u6d77\u6c34\u73af\u5883\u7684\u5e94\u7528\u4e2d\uff0c\u6d77\u6c34\u7ea7\u8776\u9600\u7684\u4f7f\u7528\u5bff\u547d\u662f316L\u7ea7\u8776\u9600\u7684\u4e24\u500d\u3002\u5728\u7ef4\u62a4\u4e0d\u6613\u6216\u6210\u672c\u9ad8\u6602\u7684\u8fd1\u6d77\u5730\u533a\uff0c\u964d\u4f4e\u66f4\u6362\u6210\u672c\u548c\u505c\u673a\u65f6\u95f4\u81f3\u5173\u91cd\u8981\u3002.&nbsp;<\/p>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>\u5bbd\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">2205 \u548c 2507 \u4e24\u79cd\u724c\u53f7\u7684\u9600\u95e8\u5728\u4ece\u4f4e\u6e29\u5230 300\u00b0C \u7684\u6e29\u5ea6\u8303\u56f4\u5185\u5747\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6027\u80fd\u3002\u8be5\u6e29\u5ea6\u8303\u56f4\u6db5\u76d6\u4e86\u540c\u4e00\u6d77\u6c34\u6de1\u5316\u5382\u7684\u9884\u5904\u7406\u3001\u53cd\u6e17\u900f\u548c\u540e\u5904\u7406\u6d41\u7a0b\uff0c\u4e14\u9600\u95e8\u6750\u6599\u89c4\u683c\u65e0\u9700\u4efb\u4f55\u66f4\u6539\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6d77\u6c34\u7ea7\u9600\u95e8\u5728\u6d77\u6c34\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d77\u6c34\u7ea7\u9600\u95e8\u5e7f\u6cdb\u5e94\u7528\u4e8e\u591a\u79cd\u6d77\u6c34\u7cfb\u7edf\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f\u4e09\u4e2a\u4e3b\u8981\u9879\u76ee\u7c7b\u522b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6d77\u6c34\u6de1\u5316\u5382<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d77\u6c34\u6de1\u5316\u5382\u662f\u6700\u5177\u6311\u6218\u6027\u7684\u5e94\u7528\u9886\u57df\u3002\u53cd\u6e17\u900f\u9ad8\u538b\u7cfb\u7edf\u7684\u5de5\u4f5c\u538b\u529b\u4e3a 55\u201380 \u5df4\uff0c\u6240\u7528\u6d53\u76d0\u6c34\u6c2f\u5316\u7269\u6d53\u5ea6\u8d85\u8fc7 40,000 ppm\u3002\u8776\u9600\u63a7\u5236\u7740\u5404\u4e2a\u9636\u6bb5\u7684\u6d41\u91cf\uff1a\u4ece\u6d77\u6c34\u8fdb\u6c34\u548c\u8fc7\u6ee4\u5230\u9ad8\u538b\u8fdb\u6c34\u548c\u6d53\u76d0\u6c34\u6392\u653e\u3002\u8d85\u7ea7\u53cc\u76f8\u94a2 2507 \u662f\u9ad8\u538b\u4fa7\u548c\u6d53\u76d0\u6c34\u4fa7\u9600\u95e8\u7684\u6807\u51c6\u6750\u6599\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6d77\u6d0b\u548c\u6d77\u5e95\u5de5\u7a0b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d77\u4e0a\u5e73\u53f0\u4f7f\u7528\u6d77\u6c34\u4f5c\u4e3a\u6d88\u9632\u6c34\u7cfb\u7edf\u3001\u538b\u8f7d\u6c34\u5904\u7406\u548c\u91c7\u51fa\u6c34\u6ce8\u5165\u7528\u6c34\u3002\u8fd9\u4e9b\u90fd\u662f\u8fde\u7eed\u8fd0\u884c\u3001\u5b8c\u5168\u6d78\u6ca1\u6216\u6613\u53d7\u98de\u6e85\u5f71\u54cd\u7684\u73af\u5883\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636eNORSOK MDS D45\u89c4\u8303\uff0c\u6d77\u6c34\u9600\u95e8\u5fc5\u987b\u4f7f\u7528Superduplex 2507\u6750\u6599\u3002\u8fd9\u5bf9\u4e8e\u5317\u6d77\u548c\u58a8\u897f\u54e5\u6e7e\u7684\u9879\u76ee\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6cbf\u6d77\u53d6\u6c34\u53e3\u548c\u6392\u6c34\u53e3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cbf\u6d77\u5e02\u653f\u548c\u5de5\u4e1a\u8bbe\u65bd\u4f7f\u7528\u5927\u76f4\u5f84\u8776\u9600\u4f5c\u4e3a\u6d77\u6c34\u8fdb\u6c34\u53e3\u548c\u51b7\u5374\u7ba1\u8def\u3002\u8fd9\u4e9b\u9600\u95e8\u80fd\u591f\u5904\u7406\u4f4e\u538b\u4e0b\u7684\u5927\u6d41\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u76f8\u94a22205\u9002\u7528\u4e8e\u5927\u591a\u6570\u6cbf\u6d77\u53d6\u6c34\u53e3\u3002\u8d85\u7ea7\u53cc\u76f8\u94a22507\u66f4\u9002\u5408\u9ad8\u6e29\u73af\u5883\uff0c\u4f8b\u5982\u53d1\u7535\u5382\uff0c\u56e0\u4e3a\u9ad8\u6e29\u4f1a\u589e\u52a0\u8150\u8680\u98ce\u9669\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    \/* Added !important tags to prevent WordPress themes from injecting unwanted underlines *\/\n    .hero-card, .hero-card:hover, .hero-card:focus {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: 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none !important;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tgvalve.com\/zh\/product\/wafer-concentric-butterfly-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/tgvalve.b-cdn.net\/wp-content\/uploads\/2025\/06\/Wafer-Concentric-Butterfly-Valve-480x480.webp\" alt=\"\u5bf9\u5939\u5f0f\u540c\u5fc3\u8776\u9600\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u5bf9\u5939\u5f0f\u540c\u5fc3\u8776\u9600<\/div>\n    <div class=\"hero-description\">\n      <strong>\u7ed3\u6784\uff1a<\/strong> \u4e2d\u5fc3\u5bc6\u5c01<br>\n      <strong>\u5e94\u7528\uff1a<\/strong> \u5de5\u4e1a\u7528\u6c34\u3001\u6c34\u5de5\u4e1a\u7528\u6c34\u3001\u5bb6\u5ead\u7528\u6c34\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>\u7ed3\u8bba<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d77\u6c34\u662f\u4e00\u79cd\u8150\u8680\u6027\u4ecb\u8d28\uff0c\u4f1a\u635f\u574f\u4f20\u7edf\u7684\u4e0d\u9508\u94a2\u9600\u95e8\u3002\u6709\u4e24\u79cd\u9600\u95e8\u80fd\u591f\u5e94\u5bf9\u6d77\u6c34\u73af\u5883\uff1a2205\u578b\u3002 <strong>\u53cc\u8054\u9600<\/strong> \u4ee5\u53ca 2507 \u8d85\u7ea7 <strong>\u53cc\u8054\u8776\u9600<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u76f8\u4e0d\u9508\u94a2\u9002\u7528\u4e8e\u6d77\u6c34\u73af\u5883\u5417\uff1f\u662f\u7684\uff0c\u9002\u7528\u3002\u4f46\u5177\u4f53\u60c5\u51b5\u53d6\u51b3\u4e8e\u6d77\u6c34\u4e2d\u7684\u6c2f\u542b\u91cf\u3001\u6e29\u5ea6\u548c\u538b\u529b\u7b49\u7ea7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5728\u6b63\u5e38\u6761\u4ef6\u4e0b\u4f7f\u7528\u6d77\u6c34\uff0c\u4e14\u6c2f\u5316\u7269\u542b\u91cf\u4e0d\u9ad8\u3001\u6e29\u5ea6\u4e0d\u9ad8\uff0c\u9009\u62e9\u53cc\u76f8\u4e0d\u9508\u94a2\u5373\u53ef\u3002\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7684\u8010\u8150\u8680\u6027\uff0c\u5219\u5e94\u9009\u62e9\u8d85\u7ea7\u53cc\u76f8\u4e0d\u9508\u94a2\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tgvalve.com\/zh\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">TG\u9600\u95e8<\/a> \u6211\u4eec\u751f\u4ea7\u548c\u9500\u552e2205\u548c2507\u4e24\u79cd\u724c\u53f7\u7684\u8776\u9600\uff0c\u8fd9\u4e9b\u8776\u9600\u5b8c\u5168\u9002\u7528\u4e8e\u6d77\u6c34\u73af\u5883\u3002\u6211\u4eec\u7684\u4e13\u5bb6\u6df1\u8c19\u6d77\u6c34\u6de1\u5316\u3001\u6d77\u4e0a\u5de5\u7a0b\u548c\u6cbf\u6d77\u7528\u6c34\u9879\u76ee\u6240\u9700\u6750\u6599\u7684\u9009\u62e9\u4e4b\u9053\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u516c\u53f8\u5df2\u901a\u8fc7 ISO 9001\u3001API 609 \u548c CE \u8ba4\u8bc1\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>","protected":false},"excerpt":{"rendered":"<p>Duplex and super duplex valves are the standard choice for seawater application due to their fabrication with stainless steel and duplex material. The alloy used in<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2520,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2519","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\/2519","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=2519"}],"version-history":[{"count":1,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/2519\/revisions"}],"predecessor-version":[{"id":2524,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/posts\/2519\/revisions\/2524"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media\/2520"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=2519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/categories?post=2519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/zh\/wp-json\/wp\/v2\/tags?post=2519"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}