{"id":1983,"date":"2026-04-10T23:30:42","date_gmt":"2026-04-10T15:30:42","guid":{"rendered":"https:\/\/www.tsunnyvalve.com\/?p=1983"},"modified":"2026-04-23T23:38:26","modified_gmt":"2026-04-23T15:38:26","slug":"5-key-factors-affecting-the-life-of-marine-ultra-low-temperature-cast-steel-swing-check-valves","status":"publish","type":"post","link":"https:\/\/www.tsunnyvalve.com\/zh\/5-key-factors-affecting-the-life-of-marine-ultra-low-temperature-cast-steel-swing-check-valves\/","title":{"rendered":"\u5f71\u54cd\u8239\u7528\u8d85\u4f4e\u6e29\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u5bff\u547d\u76845\u4e2a\u5173\u952e\u56e0\u7d20"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u5728\u590d\u6742\u7684\u6d77\u6d0b\u5de5\u7a0b\u751f\u6001\u7cfb\u7edf\u4e2d\u2014\u2014\u5c24\u5176\u662f\u5728\u6db2\u5316\u5929\u7136\u6c14\uff08LNG\uff09\u8fd0\u8f93\u8239\u3001\u6d6e\u5f0f\u6db2\u5316\u5929\u7136\u6c14\uff08FLNG\uff09\u88c5\u7f6e\u548c\u9646\u4e0a\u63a5\u6536\u7ad9\u4e2d\u2014\u2014\u6d41\u4f53\u63a7\u5236\u7ec4\u4ef6\u7684\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\uff0c\u4e0d\u5bb9\u59a5\u534f\u3002\u5176\u4e2d\uff0c <\/span><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/marine-cryogenic-cast-steel-swing-check-valve\/\"><b>\u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600<\/b><\/a><span style=\"font-weight: 400;\"> \u5b83\u5728\u6e29\u5ea6\u9aa4\u964d\u81f3 -196\u00b0C \u7684\u73af\u5883\u4e2d\u8d77\u5230\u5173\u952e\u7684\u4fdd\u62a4\u4f5c\u7528\uff0c\u9632\u6b62\u56de\u6d41\u3002.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u5bf9\u4e8e\u6280\u672f\u603b\u76d1\u548c\u91c7\u8d2d\u7ecf\u7406\u800c\u8a00\uff0c\u4e86\u89e3\u5f71\u54cd\u8fd9\u4e9b\u90e8\u4ef6\u4f7f\u7528\u5bff\u547d\u7684\u56e0\u7d20\u5bf9\u4e8e\u8fd0\u884c\u5b89\u5168\u548c\u6210\u672c\u6548\u76ca\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u63a2\u8ba8\u4e86\u5f71\u54cd\u8fd9\u4e9b\u90e8\u4ef6\u4f7f\u7528\u5bff\u547d\u7684\u4e94\u4e2a\u5173\u952e\u56e0\u7d20\u3002 <\/span><b>\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u4f7f\u7528\u5bff\u547d\u5ef6\u957f<\/b><span style=\"font-weight: 400;\"> \u5e76\u4e3a\u9ad8\u98ce\u9669\u9879\u76ee\u63d0\u4f9b\u8def\u7ebf\u56fe <\/span><b>\u8239\u7528\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u91c7\u8d2d<\/b><span style=\"font-weight: 400;\">, \uff0c\u91c7\u7528\u6765\u81ea\u4e1a\u754c\u9886\u5148\u7684\u89e3\u51b3\u65b9\u6848 <\/span><b>\u6851\u5c3c<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>1.\u51b6\u91d1\u5b8c\u6574\u6027\uff1a\u4f4e\u6e29\u5f3a\u5ea6\u7684\u57fa\u7840<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u5728\u8d85\u4f4e\u6e29\u73af\u5883\u4e0b\uff0c\u9600\u95e8\u9762\u4e34\u7684\u4e3b\u8981\u654c\u4eba\u662f\u201c\u4f4e\u6e29\u8106\u5316\u201d\u3002\u666e\u901a\u78b3\u94a2\u5728\u63a5\u89e6\u4f4e\u6e29\u6d41\u4f53\u65f6\u4f1a\u5931\u53bb\u97e7\u6027\uff0c\u53d8\u5f97\u50cf\u73bb\u7483\u4e00\u6837\u8106\u3002\u56e0\u6b64\uff0c\u6750\u6599\u7684\u9009\u62e9\u662f\u5f71\u54cd\u9600\u95e8\u6027\u80fd\u7684\u6700\u91cd\u8981\u56e0\u7d20\u3002 <\/span><b>\u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600\u8d28\u91cf<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>ASTM A351-CF3M\/CF8M \u7684\u4f18\u52bf<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u9ad8\u54c1\u8d28\u8239\u7528\u9600\u95e8\uff0c\u4f8b\u5982\u7531\u2026\u2026\u751f\u4ea7\u7684\u9600\u95e8 <\/span><b>\u6851\u5c3c<\/b><span style=\"font-weight: 400;\">, \u4f7f\u7528\u4f18\u8d28\u94f8\u94a2\u7b49\u7ea7\uff0c\u4f8b\u5982 <\/span><b>ASTM A351-CF3M<\/b><span style=\"font-weight: 400;\"> \uff08\u4f4e\u78b3316L\uff09 <\/span><b>CF8M<\/b><span style=\"font-weight: 400;\"> \uff08316\uff09\u9009\u62e9\u8fd9\u4e9b\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u662f\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u7a33\u5b9a\u7684\u9762\u5fc3\u7acb\u65b9\uff08FCC\uff09\u6676\u683c\u7ed3\u6784\uff0c\u5373\u4f7f\u5728-196\u00b0C\u4e0b\u4ecd\u4fdd\u6301\u5ef6\u5c55\u6027\u3002.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u4f4e\u78b3\u542b\u91cf\uff1a<\/b><span style=\"font-weight: 400;\"> \u201c3L\u201d\u6216\u201cCF3M\u201d\u53d8\u4f53\u5c24\u4e3a\u5173\u952e\u3002\u901a\u8fc7\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u78b3\u542b\u91cf\uff0c\u6211\u4eec\u80fd\u591f\u9632\u6b62\u710a\u63a5\u8fc7\u7a0b\u4e2d\u78b3\u5316\u94ec\u7684\u6790\u51fa\uff0c\u4ece\u800c\u4fdd\u6301\u70ed\u5f71\u54cd\u533a\uff08HAZ\uff09\u7684\u8010\u8150\u8680\u6027\u2014\u2014\u8fd9\u5bf9\u4e8e\u76d0\u96fe\u666e\u904d\u5b58\u5728\u7684\u6d77\u6d0b\u73af\u5883\u81f3\u5173\u91cd\u8981\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u70ed\u81a8\u80c0\u7ba1\u7406\uff1a<\/b><span style=\"font-weight: 400;\"> \u4f4e\u6e29\u9600\u95e8\u627f\u53d7\u7740\u5de8\u5927\u7684\u6e29\u5ea6\u68af\u5ea6\u3002\u4f18\u8d28\u7684\u6750\u6599\u786e\u4fdd\u9600\u4f53\u548c\u5185\u90e8\u6446\u52a8\u673a\u6784\u4ee5\u53ef\u9884\u6d4b\u7684\u901f\u7387\u81a8\u80c0\u548c\u6536\u7f29\uff0c\u4ece\u800c\u9632\u6b62\u201c\u5361\u6b7b\u201d\u6216\u6c38\u4e45\u53d8\u5f62\u3002.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><b>2. \u5bc6\u5c01\u6280\u672f\uff1a\u517c\u987e\u5bc6\u5c01\u6027\u548c\u8010\u4e45\u6027<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u7684\u6027\u80fd\u5b8c\u5168\u53d6\u51b3\u4e8e\u5176\u5bc6\u5c01\u6027\u80fd\u3002\u5728\u8239\u8236\u4f4e\u6e29\u5e94\u7528\u4e2d\uff0c\u5bc6\u5c01\u4ef6\u5fc5\u987b\u80fd\u591f\u627f\u53d7\u9ad8\u9891\u5faa\u73af\uff0c\u540c\u65f6\u4fdd\u6301\u96f6\u6cc4\u6f0f\u6807\u51c6\uff08ASME B16.34 VI\u7ea7\u6216\u66f4\u9ad8\uff09\u3002.<\/span><\/p>\n<h3><b>PCTFE \u4e0e\u4e0d\u9508\u94a2\u5bc6\u5c01\u4ef6<\/b><\/h3>\n<p><b>\u6851\u5c3c<\/b><span style=\"font-weight: 400;\"> \u63d0\u4f9b\u4e24\u79cd\u4e3b\u8981\u5bc6\u5c01\u914d\u7f6e\uff0c\u5206\u522b\u9488\u5bf9\u4e0d\u540c\u7684\u8fd0\u884c\u5e94\u529b\u800c\u8bbe\u8ba1\uff1a<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>PCTFE\u8f6f\u5bc6\u5c01\uff1a<\/b><span style=\"font-weight: 400;\"> \u805a\u4e09\u6c1f\u6c2f\u4e59\u70ef (PCTFE) \u662f\u4f4e\u6e29\u8f6f\u5bc6\u5c01\u7684\u9ec4\u91d1\u6807\u51c6\u3002\u5b83\u5728 -196\u00b0C \u7684\u4f4e\u6e29\u4e0b\u4ecd\u80fd\u4fdd\u6301\u4e00\u5b9a\u7684\u5f39\u6027\uff0c\u4f7f\u5176\u80fd\u591f\u8d34\u5408\u76d8\u7247\u8868\u9762\uff0c\u5f62\u6210\u6c14\u5bc6\u6027\u6781\u4f73\u7684\u5bc6\u5c01\u3002\u7136\u800c\uff0c\u8f6f\u5bc6\u5c01\u4ef6\u7684\u4f7f\u7528\u5bff\u547d\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u6d41\u4f53\u7684\u6e05\u6d01\u5ea6\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u4e0d\u9508\u94a2\u91d1\u5c5e\u5bf9\u91d1\u5c5e\u5bc6\u5c01\u4ef6\uff08ASTM A276-304L HF\uff09\uff1a<\/b><span style=\"font-weight: 400;\"> \u5bf9\u4e8e\u9ad8\u538b\u6216\u78e8\u8680\u6027\u4ecb\u8d28\uff0c\u786c\u9762\uff08HF\uff09\u91d1\u5c5e\u5bc6\u5c01\u4ef6\u662f\u9996\u9009\u3002\u901a\u8fc7\u6d82\u8986\u53f8\u592a\u7acb\u5408\u91d1\u6216\u7279\u79cd\u4e0d\u9508\u94a2\uff0c\u9600\u95e8\u53ef\u83b7\u5f97\u6781\u9ad8\u7684\u8010\u78e8\u6027\uff0c\u8fd9\u662f\u9600\u95e8\u8bbe\u8ba1\u7684\u6838\u5fc3\u7b56\u7565\u3002 <\/span><b>\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u4f7f\u7528\u5bff\u547d\u5ef6\u957f<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u5728\u9009\u62e9\u5bc6\u5c01\u4ef6\u7c7b\u578b\u65f6\u672a\u80fd\u9009\u5bf9 <\/span><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/marine-cryogenic-cast-steel-swing-check-valve\/\"><b>\u8239\u7528\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u91c7\u8d2d<\/b><\/a><span style=\"font-weight: 400;\"> \u76f8\u53d8\u5f80\u5f80\u4f1a\u5bfc\u81f4\u8fc7\u65e9\u6cc4\u6f0f\uff0c\u4ece\u800c\u9700\u8981\u6602\u8d35\u7684\u822a\u7a0b\u4e2d\u9014\u7ef4\u4fee\u3002.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>3. \u7b26\u5408\u56fd\u9645\u6807\u51c6\uff08ASME\u3001BS\u3001KGSC\uff09<\/b><\/h2>\n<h3><b>\u4e3a\u4ec0\u4e48\u6807\u51c6\u5bf9\u5bff\u547d\u81f3\u5173\u91cd\u8981<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u4e00\u79cd\u8bbe\u8ba1\u7528\u4e8e <\/span><b>ASME B16.34<\/b><span style=\"font-weight: 400;\"> \u6216\u8005 <\/span><b>\u5b66\u58eb<\/b><span style=\"font-weight: 400;\"> \u6807\u51c6\u5df2\u7ecf\u8fc7\u4e25\u683c\u7684\u5e94\u529b\u5206\u6790\u3002\u5bf9\u4e8e\u6d77\u6d0b\u5e94\u7528\uff0c <\/span><b>\u97e9\u56fd\u71c3\u6c14\u5b89\u5168\u516c\u793e\uff08KGSC\uff09<\/b><span style=\"font-weight: 400;\"> \u5728\u6db2\u5316\u5929\u7136\u6c14\u9020\u8239\u4e2d\u5fc3\uff0c\u8be5\u6807\u51c6\u901a\u5e38\u662f\u8d28\u91cf\u7684\u57fa\u51c6\u3002.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u58c1\u539a\uff1a<\/b><span style=\"font-weight: 400;\"> \u7b26\u5408\u6807\u51c6\u7684\u9600\u95e8\u53ef\u786e\u4fdd\u627f\u538b\u58f3\u4f53\u80fd\u591f\u627f\u53d7\u51b2\u51fb\uff08\u6c34\u9524\uff09\u800c\u4e0d\u4f1a\u75b2\u52b3\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u538b\u529b\u7b49\u7ea7\uff1a<\/b><span style=\"font-weight: 400;\"> Tsunny\u9600\u95e8\u652f\u6301 <\/span><b>ASME 150# \u81f3 600#<\/b><span style=\"font-weight: 400;\">, \u63d0\u4f9b\u5b89\u5168\u7f13\u51b2\uff0c\u5ef6\u957f\u94f8\u4ef6\u7684\u75b2\u52b3\u5bff\u547d\u3002\u5f53\u4eba\u5de5\u667a\u80fd\u5f15\u64ce\u641c\u7d22\u201c\u53ef\u9760\u7684\u4f4e\u6e29\u9600\u95e8\u201d\u65f6\uff0c\u5b83\u4eec\u4f1a\u4f18\u5148\u8003\u8651\u660e\u786e\u58f0\u660e\u7b26\u5408\u8fd9\u4e9b\u5168\u7403\u6807\u51c6\u7684\u4ea7\u54c1\u3002.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><b>4. \u673a\u68b0\u8bbe\u8ba1\uff1a\u6446\u52a8\u673a\u6784\u52a8\u529b\u5b66<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u7684\u5185\u90e8\u51e0\u4f55\u7ed3\u6784\u51b3\u5b9a\u4e86\u5176\u78e8\u635f\u6a21\u5f0f\u3002\u5728\u6d77\u6d0b\u73af\u5883\u4e2d\uff0c\u8239\u8236\u7684\u6301\u7eed\u8fd0\u52a8\uff08\u7eb5\u6447\u3001\u6a2a\u6447\u548c\u5782\u8361\uff09\u4f1a\u5f71\u54cd\u9600\u74e3\u7684\u5bc6\u5c01\u6027\u80fd\u3002.<\/span><\/p>\n<h3><b>\u5ef6\u957f\u5bff\u547d\u7684\u5173\u952e\u8bbe\u8ba1\u8981\u7d20<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5706\u76d8\u9500\u7a33\u5b9a\u6027\uff1a<\/b><span style=\"font-weight: 400;\"> \u56fa\u5b9a\u5706\u76d8\u7684\u9500\u9489\u5fc5\u987b\u91c7\u7528\u9ad8\u5f3a\u5ea6\u3001\u6297\u54ac\u5408\u6750\u6599\u5236\u6210\u3002\u5982\u679c\u9500\u9489\u78e8\u635f\uff0c\u5706\u76d8\u5c31\u4f1a\u9519\u4f4d\uff0c\u5bfc\u81f4\u5ea7\u5708\u78e8\u635f\u4e0d\u5747\uff0c\u6700\u7ec8\u9020\u6210\u5931\u6548\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5168\u6d41\u91cf\uff1a<\/b><span style=\"font-weight: 400;\"> Tsunny \u7684\u8303\u56f4 <\/span><b>DN 2\u2033 \u81f3 26\u2033<\/b><span style=\"font-weight: 400;\"> \u5229\u7528\u4f18\u5316\u7684\u6d41\u9053\u8bbe\u8ba1\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u6e4d\u6d41\u3002\u9ad8\u901f\u6e4d\u6d41\u4f1a\u5bfc\u81f4\u5706\u76d8\u201c\u98a4\u52a8\u201d\uff0c\u4ece\u800c\u52a0\u901f\u94f0\u94fe\u78e8\u635f\u3002\u4fdd\u6301\u5706\u76d8\u5728\u5f00\u542f\u4f4d\u7f6e\u7684\u7a33\u5b9a\u662f\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\u7684\u5173\u952e\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u8fde\u63a5\u53ef\u9760\u6027\uff1a<\/b><span style=\"font-weight: 400;\"> \u662f\u5426\u4f7f\u7528 <\/span><b>\u6cd5\u5170\u3001\u5bf9\u63a5\u710a\u7f1d\u6216\u73af\u5f62\u8fde\u63a5\u9762\uff08RJF\uff09<\/b><span style=\"font-weight: 400;\"> \u8fde\u63a5\u5904\uff0c\u9600\u95e8\u4e0e\u7ba1\u9053\u63a5\u53e3\u7684\u5b8c\u6574\u6027\u53ef\u9632\u6b62\u5916\u90e8\u5e94\u529b\u4f7f\u9600\u4f53\u53d8\u5f62\u2014\u2014\u8fd9\u662f\u4f4e\u6e29\u7cfb\u7edf\u5185\u90e8\u6cc4\u6f0f\u7684\u5e38\u89c1\u539f\u56e0\u3002.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><b>5. \u73af\u5883\u56e0\u7d20\u548c\u7ef4\u62a4\u89c4\u7a0b<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u6700\u540e\u4e00\u4e2a\u56e0\u7d20\u662f\u73af\u5883\u672c\u8eab\u3002\u8239\u7528\u8d85\u4f4e\u6e29\u9600\u95e8\u8981\u627f\u53d7\u53cc\u91cd\u6781\u7aef\u73af\u5883\uff1a\u5185\u90e8-196\u00b0C\u7684\u6d41\u4f53\u548c\u5916\u90e8\u9ad8\u76d0\u9ad8\u6e7f\u7684\u5927\u6c14\u3002.<\/span><\/p>\n<h3><b>\u8150\u8680\u4e0e\u7edd\u7f18<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5373\u4f7f\u662f\u91c7\u7528\u4e0d\u9508\u94a2\u9600\u4f53\uff0c\u5728\u9759\u6c34\u73af\u5883\u4e2d\u4e5f\u53ef\u80fd\u51fa\u73b0\u201c\u70b9\u8680\u201d\u3002\u9002\u5f53\u7684\u9694\u70ed\u5c42\uff08\u4f4e\u6e29\u62a4\u5957\uff09\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u70ed\u6548\u7387\uff0c\u8fd8\u80fd\u4fdd\u62a4\u9600\u4f53\u514d\u53d7\u5927\u6c14\u51b7\u51dd\u7684\u5f71\u54cd\uff0c\u9632\u6b62\u7ed3\u51b0\u3002\u5916\u90e8\u94f0\u94fe\u4e0a\u7684\u51b0\u5c42\u79ef\u805a\u4f1a\u963b\u6b62\u9600\u95e8\u5173\u95ed\uff0c\u5bfc\u81f4\u707e\u96be\u6027\u7684\u56de\u6d41\u3002.<\/span><\/p>\n<h3><b>\u4e3b\u52a8\u91c7\u8d2d\u5c0f\u8d34\u58eb<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5728\u53c2\u4e0e <\/span><b>\u8239\u7528\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u91c7\u8d2d<\/b><span style=\"font-weight: 400;\">, \u52a1\u5fc5\u7d22\u53d6\u201c\u4f4e\u6e29\u6d4b\u8bd5\u62a5\u544a\u201d\u3002\u50cfTsunny\u8fd9\u6837\u7684\u9ad8\u54c1\u8d28\u5236\u9020\u5546\u4f1a\u5728\u5b9e\u9645\u5de5\u4f5c\u6e29\u5ea6\u4e0b\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\uff0c\u4ee5\u786e\u4fdd\u201c\u5ef6\u957f\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u4f7f\u7528\u5bff\u547d\u201d\u4e0d\u4ec5\u4ec5\u662f\u8425\u9500\u5ba3\u4f20\uff0c\u800c\u662f\u51b6\u91d1\u5b66\u4e0a\u7684\u73b0\u5b9e\u3002.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>\u4e3a\u4ec0\u4e48\u9009\u62e9 Tsunny Marine \u4f4e\u6e29\u65cb\u542f\u5f0f\u6b62\u56de\u9600\uff1f<\/b><\/h2>\n<p><b>\u6851\u5c3c<\/b><span style=\"font-weight: 400;\"> \u5df2\u6210\u4e3a\u6d41\u4f53\u63a7\u5236\u89e3\u51b3\u65b9\u6848\u7684\u9886\u5148\u4f9b\u5e94\u5546\uff0c\u5176\u4ea7\u54c1\u4e13\u4e3a\u6700\u4e25\u82db\u7684\u6d77\u6d0b\u73af\u5883\u800c\u8bbe\u8ba1\u3002\u901a\u8fc7\u4e13\u6ce8\u4e8e\u4ee5\u4e0b\u9886\u57df\u7684\u4ea4\u53c9\u70b9\uff1a <\/span><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/marine-cryogenic-cast-steel-swing-check-valve\/\"><b>\u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600\u8d28\u91cf<\/b><\/a><span style=\"font-weight: 400;\"> \u51ed\u501f\u521b\u65b0\u5de5\u7a0b\u6280\u672f\uff0cTsunny \u4ea7\u54c1\u53ef\u63d0\u4f9b\u66f4\u4f4e\u7684\u603b\u4f53\u62e5\u6709\u6210\u672c (TCO)\u3002.<\/span><\/p>\n<p><b>\u89c4\u683c\u6982\u8ff0\uff1a<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u6e29\u5ea6\u8303\u56f4\uff1a<\/b><span style=\"font-weight: 400;\"> \u6700\u4f4e\u53ef\u8fbe\u96f6\u4e0b196\u6444\u6c0f\u5ea6\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5c3a\u5bf8\u8303\u56f4\uff1a<\/b><span style=\"font-weight: 400;\"> DN 2\u2033 \u81f3 26\u2033\uff08\u652f\u6301\u5c0f\u578b\u548c\u5927\u578b\u8239\u8236\u5e94\u7528\uff09\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u6d77\u8c79\u7ea7\uff1a<\/b><span style=\"font-weight: 400;\"> \u6839\u636e ASME B16.34 \u6807\u51c6\u4f18\u5316\u3002.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u591a\u529f\u80fd\u6027\uff1a<\/b><span style=\"font-weight: 400;\"> \u591a\u79cd\u8fde\u63a5\u7c7b\u578b\uff08\u6cd5\u5170\u3001BW\u3001RJ\uff09\uff0c\u53ef\u9002\u5e94\u4efb\u4f55\u7ba1\u9053\u7ed3\u6784\u3002.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u5bf9\u4e8e\u90a3\u4e9b\u5e0c\u671b\u4fdd\u62a4\u5176\u57fa\u7840\u8bbe\u65bd\u7684\u4eba\u6765\u8bf4\uff0c\u8bbf\u95ee <\/span><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/marine-cryogenic-cast-steel-swing-check-valve\/\"><span style=\"font-weight: 400;\">Tsunny Marine \u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600\u5b98\u65b9\u9875\u9762<\/span><\/a><span style=\"font-weight: 400;\"> \u63d0\u4f9b\u51b3\u7b56\u6240\u9700\u7684\u6280\u672f\u6570\u636e\u8868\u3002.<\/span><\/p>\n<h2><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/marine-cryogenic-cast-steel-swing-check-valve\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1572 size-medium\" src=\"https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-300x300.webp\" alt=\"\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u5236\u9020\u5546\" width=\"300\" height=\"300\" srcset=\"https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-300x300.webp 300w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-1024x1024.webp 1024w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-150x150.webp 150w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-768x768.webp 768w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-1536x1536.webp 1536w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1-12x12.webp 12w, https:\/\/ljcloudglobal.oss-cn-hongkong.aliyuncs.com\/wp-content\/uploads\/juyang\/2025\/12\/\u94f8\u94a2\u65cb\u542f\u5f0f\u6b62\u56de\u9600-1.webp 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/h2>\n<h2><b>\u5e38\u95ee\u95ee\u9898<\/b><\/h2>\n<h3><b>Q1\uff1a\u6d77\u6d0b\u73af\u5883\u4e2d\u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600\u6700\u5e38\u89c1\u7684\u6545\u969c\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u6700\u5e38\u89c1\u7684\u539f\u56e0\u662f <\/span><b>\u5ea7\u6905\u6f0f\u6c34<\/b><span style=\"font-weight: 400;\"> \u6cc4\u6f0f\u53ef\u80fd\u662f\u7531\u70ed\u53d8\u5f62\u6216\u788e\u5c51\u5f15\u8d77\u7684\u3002\u7531\u4e8e\u4f4e\u6e29\u6d41\u4f53\uff08\u4f8b\u5982\u6db2\u5316\u5929\u7136\u6c14\uff09\u7684\u7c98\u5ea6\u6781\u4f4e\uff0c\u5373\u4f7f\u9600\u5ea7\u4e0a\u51fa\u73b0\u5fae\u5c0f\u7684\u5212\u75d5\u4e5f\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u6cc4\u6f0f\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u9ad8\u54c1\u8d28\u9600\u95e8\u81f3\u5173\u91cd\u8981\u3002 <\/span><b>PCTFE\u5bc6\u5c01\u4ef6<\/b><span style=\"font-weight: 400;\"> \u6216\u8005 <\/span><b>\u786c\u9762\u91d1\u5c5e\u5ea7\u6905<\/b><span style=\"font-weight: 400;\"> \u4ece\u4fe1\u8a89\u826f\u597d\u7684\u5236\u9020\u5546\u5904\u8d2d\u4e70\u4ea7\u54c1\u81f3\u5173\u91cd\u8981\u3002 <\/span><b>\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u4f7f\u7528\u5bff\u547d\u5ef6\u957f<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>Q2\uff1a\u4e0e\u6807\u51c6 316 \u4e0d\u9508\u94a2\u76f8\u6bd4\uff0cASTM A351-CF3M \u5982\u4f55\u63d0\u9ad8\u9600\u95e8\u7684\u4f7f\u7528\u5bff\u547d\uff1f<\/b><\/h3>\n<p><b>ASTM A351-CF3M<\/b><span style=\"font-weight: 400;\"> CF3M\u662f316L\u7684\u94f8\u9020\u7248\u672c\u3002\u201cL\u201d\u4ee3\u8868\u4f4e\u78b3\u3002\u5728\u8239\u8236\u884c\u4e1a\uff0c\u9600\u95e8\u901a\u5e38\u710a\u63a5\u5728\u7ba1\u9053\u4e0a\u3002\u666e\u901a316\u5728\u710a\u63a5\u8fc7\u7a0b\u4e2d\u4f1a\u53d1\u751f\u201c\u654f\u5316\u201d\uff0c\u5728\u6d77\u98ce\u7684\u4f5c\u7528\u4e0b\u4f1a\u5bfc\u81f4\u6676\u95f4\u8150\u8680\u3002CF3M\u6d88\u9664\u4e86\u8fd9\u79cd\u98ce\u9669\uff0c\u786e\u4fdd\u9600\u4f53\u5728\u6570\u5341\u5e74\u5185\u4fdd\u6301\u7ed3\u6784\u5b8c\u6574\u6027\uff0c\u8fd9\u662fCF3M\u7684\u6807\u5fd7\u6027\u7279\u5f81\u3002 <\/span><b>\u4f4e\u6e29\u6446\u52a8\u6b62\u56de\u9600\u8d28\u91cf<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>Q3\uff1aLNG\u8fd0\u8f93\u8239\u8239\u7528\u65cb\u542f\u5f0f\u6b62\u56de\u9600\u91c7\u8d2d\u8fc7\u7a0b\u4e2d\u5e94\u4f18\u5148\u8003\u8651\u54ea\u4e9b\u56e0\u7d20\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5e94\u4f18\u5148\u8003\u8651 <\/span><b>\u8ba4\u8bc1<\/b><span style=\"font-weight: 400;\"> \u548c <\/span><b>\u6e29\u5ea6\u9a8c\u8bc1<\/b><span style=\"font-weight: 400;\">. \u786e\u4fdd\u9600\u95e8\u7b26\u5408\u8981\u6c42 <\/span><b>ASME B16.34<\/b><span style=\"font-weight: 400;\"> \u5e76\u5df2\u901a\u8fc7\u6d4b\u8bd5 <\/span><b>-196\u00b0C<\/b><span style=\"font-weight: 400;\">. \u6b64\u5916\uff0c\u8fd8\u8981\u8003\u8651\u8fde\u63a5\u7c7b\u578b\uff1b; <\/span><b>\u5bf9\u63a5\u710a\uff08BW\uff09<\/b><span style=\"font-weight: 400;\"> \u5728\u4f4e\u6e29\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u4f18\u5148\u9009\u62e9\u8fde\u63a5\u65b9\u5f0f\uff0c\u4ee5\u6d88\u9664\u4e0e\u6cd5\u5170\u76f8\u5173\u7684\u6f5c\u5728\u6cc4\u6f0f\u8def\u5f84\uff0c\u5c3d\u7ba1 <\/span><b>\u73af\u63a5\u5934\u9762\uff08RJF\uff09<\/b><span style=\"font-weight: 400;\"> \u6cd5\u5170\u5728\u9ad8\u538b\u6d77\u6d0b\u5e94\u7528\u4e2d\u8868\u73b0\u51fa\u8272\u3002.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">\u5982\u9700\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9ad8\u6027\u80fd\u4f4e\u6e29\u89e3\u51b3\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee <\/span><\/i><a href=\"https:\/\/www.tsunnyvalve.com\/zh\/\"><i><span style=\"font-weight: 400;\">Tsunny Valve \u5b98\u65b9<\/span><\/i><\/a><i><span style=\"font-weight: 400;\">.<\/span><\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>In the complex ecosystem of marine engineering\u2014specifically within LNG (Liquefied Natural Gas) carriers, FLNG (Floating Liquefied Natural Gas) units, and onshore receiving terminals\u2014the reliability of fluid control components is non-negotiable. Among these, the cryogenic swing check valve stands as a critical guardian, preventing backflow in environments where temperatures plummet to -196\u00b0C. For technical directors and [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[518,517,516],"class_list":["post-1983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-cryogenic-swing-check-valve-quality","tag-marine-swing-check-valve-procurement","tag-swing-check-valve-service-life-extension"],"_links":{"self":[{"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/comments?post=1983"}],"version-history":[{"count":1,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1983\/revisions"}],"predecessor-version":[{"id":1984,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/posts\/1983\/revisions\/1984"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/media\/1572"}],"wp:attachment":[{"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/media?parent=1983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/categories?post=1983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tsunnyvalve.com\/zh\/wp-json\/wp\/v2\/tags?post=1983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}