{"id":3844,"date":"2025-10-17T09:16:35","date_gmt":"2025-10-17T01:16:35","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&#038;p=3844"},"modified":"2026-09-05T23:14:44","modified_gmt":"2026-09-05T15:14:44","slug":"%e8%9e%ba%e7%b4%8b%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/zh\/product\/threaded-check-valve\/","title":{"rendered":"Stainless Steel Swing Check Valve \u2013 Threaded PT, 1\/2\u2033\u20133\u2033, 200 WOG"},"content":{"rendered":"<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin:18px 0\">\n<a href=\"https:\/\/ballvalves.tw\/wp-content\/uploads\/2025\/10\/Swing-Check-Valve-PT.pdf\" target=\"_blank\" rel=\"noopener\" style=\"flex:0 1 200px;background:#ffffff;border:1px solid #dddddd;border-radius:8px;padding:18px;text-decoration:none\"><span style=\"display:inline-block;background:#c62828;color:#ffffff !important;font-size:11px;font-weight:700;letter-spacing:.5px;padding:2px 8px;border-radius:3px\">PDF<\/span><span style=\"display:block;margin:10px 0 2px;font-size:16px;font-weight:700;color:#1f1f1f !important\">\u64fa\u52d5\u6aa2\u67e5<\/span><span style=\"display:block;font-size:13px;color:#777777 !important\">PT \u87ba\u7d0b \u00b7 \u5c3a\u5bf8\u8868<\/span><span style=\"display:block;margin-top:12px;font-size:14px;font-weight:600;color:#1f1f1f !important\">\u4e0b\u8f09 \u2193<\/span><\/a>\n<\/div>\n<h2>\u7522\u54c1\u8aaa\u660e<\/h2>\n<p>YZNG TRONG SC \u64fa\u52d5\u5f0f\u6b62\u56de\u95a5\u662f\u4e00\u6b3e\u4e0d\u93fd\u92fc\u6b62\u56de\u95a5\uff08\u55ae\u5411\u95a5\uff09\uff0c\u5176\u9278\u63a5\u5f0f\u95a5\u76e4\u5728\u6b63\u5411\u6d41\u52d5\u6642\u64fa\u52d5\u958b\u555f\uff0c\u7576\u6d41\u91cf\u505c\u6b62\u6216\u9006\u8f49\u6642\u5247\u843d\u4e0b\u95dc\u9589\u2014\u2014\u7121\u9700\u52d5\u529b\u4e14\u7121\u9700\u4eba\u5de5\u64cd\u4f5c\u5373\u53ef\u9632\u6b62\u5012\u6d41\u3002 \u8a72\u95a5\u9580\u984d\u5b9a\u5de5\u4f5c\u58d3\u529b\u70ba 200 WOG\uff0c\u4e26\u901a\u904e API 598 \u6a19\u6e96\u6e2c\u8a66\uff0c\u5176\u87ba\u7d0b\u95a5\u9ad4\u53ef\u76f4\u5217\u5b89\u88dd\u65bc\u6c34\u3001\u6cb9\u3001\u6c23\u53ca\u5176\u4ed6\u6db2\u9ad4\u7ba1\u7dda\u4e2d\u3002.<\/p>\n<p>\u672c\u9ad4\u63a1\u7528 316 \u4e0d\u93fd\u92fc\uff08ASTM A351 CF8M\uff09\u9444\u9020\u800c\u6210\uff0c\u5169\u7aef\u70ba PT\uff08\u9310\u5f62\u7ba1\uff09\u5167\u87ba\u7d0b\uff0c\u5c3a\u5bf8\u7bc4\u570d\u70ba 1\/2\u2033 \u81f3 3\u2033\u3002\u4ea6\u53ef\u4f9d\u8a02\u55ae\u9700\u6c42\u63d0\u4f9b NPT \u53ca PF \u87ba\u7d0b\uff0c\u4ee5\u53ca CF8\uff08\u9444\u9020 304\uff09\u6750\u8cea\u7684\u672c\u9ad4\u3002 \u5728\u6cf5\u6d66\u61c9\u7528\u65b9\u9762\uff0c\u5b83\u81ea\u7136\u53ef\u8207\u6211\u5011\u7684 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/y%e5%9e%8b%e9%81%8e%e6%bf%be%e5%99%a8-800-wog\/\">316 Y\u578b\u904e\u6ffe\u5668<\/a> \u2014 \u5438\u5165\u5074\u88dd\u6709\u904e\u6ffe\u5668\uff0c\u6392\u51fa\u5074\u88dd\u6709\u6b62\u56de\u95a5\u3002.<\/p>\n<h2>\u64fa\u52d5\u6aa2\u67e5\u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<ul>\n<li><b>\u81ea\u52d5\u9632\u56de\u6d41\u529f\u80fd\uff1a<\/b> \u9278\u63a5\u5f0f\u5713\u76e4\u5728\u6d41\u9ad4\u5411\u524d\u6d41\u52d5\u6642\u6253\u958b\uff0c\u6d41\u9ad4\u505c\u6b62\u6d41\u52d5\u6642\u95dc\u9589\u2014\u2014\u7121\u9700\u57f7\u884c\u5668\u6216\u52d5\u529b\u3002.<\/li>\n<li><b>\u4f4e\u963b\u6297\uff1a<\/b> \u64fa\u52d5\u76e4\u958b\u555f\u6642\u4e0d\u6703\u963b\u64cb\u6d41\u9053\uff0c\u56e0\u6b64\u58d3\u964d\u5f97\u4ee5\u4fdd\u6301\u5728\u4f4e\u6c34\u5e73\u3002.<\/li>\n<li><b>316 \u4e0d\u93fd\u92fc\u9444\u4ef6\uff08CF8M\uff09\uff1a<\/b> \u8010\u8150\u8755\uff0c\u9069\u7528\u65bc\u6c34\u3001\u5316\u5b78\u54c1\u53ca\u6d77\u6d0b\u74b0\u5883\u3002.<\/li>\n<\/ul>\n<h2>\u64fa\u52d5\u5f0f\u9084\u662f\u975c\u97f3\u5f0f\u2014\u2014\u8a72\u9078\u54ea\u7a2e\u6b62\u56de\u95a5\uff1f<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:12px 0\">\n<thead>\n<tr>\n<th style=\"border:1px solid #dddddd;padding:8px;text-align:left\"><\/th>\n<th style=\"border:1px solid #dddddd;padding:8px;text-align:left\">\u64fa\u52d5\u6aa2\u67e5\uff08\u6b64\u95a5\u9580\uff09<\/th>\n<th style=\"border:1px solid #dddddd;padding:8px;text-align:left\">\u975c\u97f3\uff0f\u5f48\u7c27\u6aa2\u67e5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u6536\u76e4\u8d70\u52e2<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u5728\u91cd\u529b\u8207\u9006\u6d41\u7684\u4f5c\u7528\u4e0b\uff0c\u9278\u63a5\u5f0f\u5713\u76e4\u6703\u95dc\u9589<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u5728\u6d41\u91cf\u5b8c\u5168\u9006\u8f49\u4e4b\u524d\uff0c\u5f48\u7c27\u6703\u5148\u95dc\u9589\u95a5\u9580\uff08\u975e\u731b\u70c8\u95dc\u9589\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u58d3\u964d<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u4f4e \u2014 \u789f\u7247\u64fa\u52d5\u6642\u5b8c\u5168\u907f\u958b\u69cd\u819b<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u66f4\u9ad8 \u2014 \u5f48\u7c27\u4f4d\u65bc\u6d41\u9053\u5167<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u6700\u9069\u5408<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u4e00\u822c\u6c34\u3001\u6cb9\u53ca\u5929\u7136\u6c23\u7ba1\u7dda\uff0c\u5176\u4e2d\u4f4e\u58d3\u964d\u81f3\u95dc\u91cd\u8981<\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u6cf5\u6d66\u7684\u6392\u51fa\u7aef\u53ca\u7ba1\u7dda\u5bb9\u6613\u767c\u751f\u6c34\u64ca\u73fe\u8c61<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u9700\u8981\u5f48\u7c27\u5f0f\u7522\u54c1\u55ce\uff1f\u8acb\u53c3\u95b1\u6211\u5011\u7684 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e9%9d%9c%e9%9f%b3%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">304 \u4e00\u9ad4\u5f0f\u975c\u97f3\u6b62\u56de\u95a5<\/a>. \u9700\u8981\u6cd5\u862d\u7aef\u982d\u800c\u975e\u87ba\u7d0b\u7aef\u982d\u55ce\uff1f\u8acb\u53c3\u95b1 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/304-%e6%b3%95%e8%98%ad%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">304 \u6cd5\u862d\u5f0f\u6b62\u56de\u95a5<\/a> \uff08\u64fa\u52d5\u5f0f\uff0c10K \/ 150#\uff09\uff0c\u6216\u700f\u89bd\u6240\u6709\u5546\u54c1 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81%e9%a1%9e%e5%88%a5\/%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u4e0d\u93fd\u92fc\u6b62\u56de\u95a5<\/a>.<\/p>\n<h2>\u4e3b\u8981\u6280\u8853\u898f\u683c<\/h2>\n<table style=\"border-collapse:collapse;width:100%;margin:12px 0\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u985e\u578b<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u64fa\u52d5\u5f0f\u6b62\u56de\u95a5\uff08\u55ae\u5411\u95a5\uff09\uff0c\u87ba\u7d0b\u5f0f<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u578b\u865f<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">SC<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u5c3a\u5bf8\u7bc4\u570d<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">1\/2 \u82f1\u540b \u2013 3 \u82f1\u540b<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u6b63\u6587<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">ASTM A351 CF8M \u2014 316 \u4e0d\u93fd\u92fc\u7684\u9444\u9020\u578b \u2014 \u6709\u73fe\u8ca8\uff1bCF8\uff08\u9444\u9020 304\uff09\u5247\u9700\u63a5\u55ae\u751f\u7522<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u5149\u789f<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u9278\u63a5\u5f0f\u64fa\u52d5\u76e4\uff0cASTM A351 CF8M<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u588a\u7247<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">PTFE<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u5de5\u4f5c\u58d3\u529b<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">200 WOG\uff08200 psi\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u6e2c\u8a66\u6a19\u6e96<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">API 598<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u7d50\u675f\u9023\u7dda<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u96cc\u6027 PT\uff08\u9310\u5f62\uff09\u87ba\u7d0b \u2014 \u6709\u73fe\u8ca8\uff1bNPT \u548c PF \u9700\u8a02\u88fd<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u5b89\u88dd<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u6c34\u5e73\u7dda\uff0c\u6216\u5e36\u6709\u5411\u4e0a\u6d41\u52d5\u7684\u5782\u76f4\u7dda\uff1b\u6d41\u52d5\u65b9\u5411\u8207\u5716\u793a\u7bad\u982d\u65b9\u5411\u4e00\u81f4<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u5a92\u9ad4<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u6c34\u3001\u77f3\u6cb9\u3001\u5929\u7136\u6c23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u61c9\u7528<\/h2>\n<ul>\n<li><strong>Pump discharge lines<\/strong> \u2014 stops backflow and reverse rotation after the pump shuts down.<\/li>\n<li><strong><a href=\"https:\/\/ballvalves.tw\/zh\/%e6%87%89%e7%94%a8\/%e6%b0%b4%e8%99%95%e7%90%86%e6%87%89%e7%94%a8\/\">Water and wastewater treatment<\/a><\/strong> \u2014 small-bore dosing, sampling and return lines.<\/li>\n<li><strong>Chemical feed and dosing lines<\/strong> \u2014 316 (CF8M) for corrosive media.<\/li>\n<li><strong><a href=\"https:\/\/ballvalves.tw\/zh\/%e6%87%89%e7%94%a8\/%e5%8c%96%e5%ad%b8%e6%b2%b9%e6%b0%a3%e6%87%89%e7%94%a8\/\">Oil, gas and petrochemical<\/a> utility piping<\/strong> \u2014 small-bore process and utility lines.<\/li>\n<li><strong>Marine small-bore piping<\/strong> \u2014 the molybdenum in 316 improves resistance to chloride pitting.<\/li>\n<li><strong>HVAC chilled and hot water branch lines<\/strong> \u2014 low pressure drop on continuously running loops.<\/li>\n<li><strong>Compressed air and plant utility air<\/strong> \u2014 316 resists condensate corrosion.<\/li>\n<li><strong>Well, jet and booster pump discharge<\/strong> \u2014 protects the pump from reverse flow and pressure shock.<\/li>\n<\/ul>\n<p>For 2\u2033\u20134\u2033 flanged lines, see the <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/304-%e6%b3%95%e8%98%ad%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">stainless steel flanged check valve<\/a>; for quiet closing on pulsating flow, see the <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e9%9d%9c%e9%9f%b3%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u975c\u97f3\u6b62\u56de\u95a5<\/a>.<\/p>\n<h2>\u5e38\u898b\u554f\u984c<\/h2>\n<p><b>\u4ec0\u9ebc\u662f\u64fa\u52d5\u5f0f\u6b62\u56de\u95a5\uff0f\u55ae\u5411\u95a5\uff1f<\/b> \u5b83\u50c5\u5141\u8a31\u6d41\u9ad4\u55ae\u5411\u6d41\u52d5\u3002\u7576\u6d41\u9ad4\u5411\u524d\u6d41\u52d5\u6642\uff0c\u9278\u63a5\u5f0f\u5713\u76e4\u6703\u64fa\u52d5\u6253\u958b\uff1b\u7576\u6d41\u9ad4\u505c\u6b62\u6216\u9006\u5411\u6d41\u52d5\u6642\uff0c\u5713\u76e4\u5247\u6703\u843d\u4e0b\u95dc\u9589\uff0c\u5f9e\u800c\u81ea\u52d5\u963b\u6b62\u9006\u6d41\u2014\u2014\u7121\u9700\u52d5\u529b\u6216\u4eba\u5de5\u64cd\u4f5c\u3002.<\/p>\n<p><b>\u64fa\u52d5\u5f0f\u9084\u662f\u975c\u97f3\u5f0f\u6b62\u56de\u95a5\u2014\u2014\u6211\u8a72\u9078\u54ea\u4e00\u7a2e\uff1f<\/b> \u82e5\u4e00\u822c\u7ba1\u7dda\u9700\u91cd\u8996\u4f4e\u58d3\u964d\uff0c\u8acb\u9078\u64c7\u64fa\u52d5\u5f0f\u95a5\u9580\u3002\u8acb\u9078\u64c7\u5f48\u7c27\u5f0f <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e9%9d%9c%e9%9f%b3%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u975c\u97f3\u6b62\u56de\u95a5<\/a> \u5728\u53ef\u80fd\u767c\u751f\u6c34\u64ca\u73fe\u8c61\u7684\u60c5\u6cc1\u4e0b\uff08\u4f8b\u5982\u6cf5\u6d66\u983b\u7e41\u555f\u505c\u7684\u51fa\u6c34\u53e3\uff09\uff0c\u5176\u5f48\u7c27\u6703\u5728\u6d41\u91cf\u5b8c\u5168\u9006\u8f49\u4e4b\u524d\u5148\u95dc\u9589\u95a5\u9580\u3002.<\/p>\n<p><b>\u53ef\u4ee5\u5782\u76f4\u5b89\u88dd\u55ce\uff1f<\/b> \u662f\u7684\u2014\u2014\u5728\u6d41\u5411\u70ba\u4e0a\u884c\u7684\u5782\u76f4\u7ba1\u7dda\u4e2d\uff0c\u5373\u4f7f\u6d41\u5411\u9006\u8f49\uff0c\u789f\u7247\u4ecd\u6703\u64fa\u52d5\u95dc\u9589\u3002\u6700\u5e38\u898b\u7684\u5b89\u88dd\u65b9\u5f0f\u662f\u6c34\u5e73\u5b89\u88dd\uff0c\u4e14\u84cb\u5b50\u671d\u4e0a\u3002\u8acb\u52ff\u5c07\u5176\u5b89\u88dd\u5728\u6d41\u5411\u70ba\u4e0b\u884c\u7684\u5782\u76f4\u7ba1\u7dda\u4e2d\uff0c\u4e26\u52d9\u5fc5\u78ba\u4fdd\u672c\u9ad4\u4e0a\u7684\u7bad\u982d\u8207\u6d41\u5411\u4e00\u81f4\u3002.<\/p>\n<p><b>\u8eca\u8eab\u662f\u7531\u4ec0\u9ebc\u6750\u6599\u88fd\u6210\u7684\uff1f<\/b> 316 \u4e0d\u93fd\u92fc\u9444\u4ef6\uff0c\u7b49\u7d1a\u70ba ASTM A351 CF8M \u2014 \u9069\u7528\u65bc\u6c34\u3001\u5316\u5b78\u54c1\u53ca\u6d77\u6d0b\u74b0\u5883\u7684\u8010\u8150\u8755\u6750\u8cea\u3002\u4ea6\u53ef\u4f9d\u8a02\u55ae\u9700\u6c42\u63d0\u4f9b CF8\uff08304 \u9444\u4ef6\uff09\u7248\u672c\u3002.<\/p>\n<p><b>\u6709\u54ea\u4e9b\u87ba\u7d0b\u6a19\u6e96\u53ef\u4f9b\u9078\u64c7\uff1f<\/b> \u73fe\u8ca8\u4f9b\u61c9\u96cc\u6027 PT\uff08\u9310\u5ea6\uff09\u87ba\u7d0b\uff0c\u5c3a\u5bf8\u7bc4\u570d\u70ba 1\/2\u2033\u20133\u2033\u3002NPT \u548c PF \u87ba\u7d0b\u53ef\u63a5\u53d7\u8a02\u88fd\u2014\u2014\u8acb\u5728\u7d22\u53d6\u5831\u50f9\u6642\u544a\u77e5\u6211\u5011\u60a8\u7684\u7ba1\u8def\u63a1\u7528\u4f55\u7a2e\u6a19\u6e96\u3002.<\/p>\n<p><b>\u6700\u4f4e\u8a02\u8cfc\u91cf\u662f\u591a\u5c11\uff1f<\/b> \u7121\u6700\u4f4e\u8a02\u8cfc\u91cf\u9650\u5236\u2014\u2014\u6211\u5011\u63a5\u53d7\u4efb\u4f55\u898f\u6a21\u7684\u8a02\u55ae\uff0c\u5305\u62ec\u5c0f\u6279\u91cf\u8a66\u8cfc\u8a02\u55ae\u3002\u5c0f\u6279\u91cf\u8a02\u55ae\u7684\u904b\u8cbb\u7531\u8cb7\u65b9\u5b89\u6392\u4e26\u652f\u4ed8\u3002\u4ed8\u6b3e\u65b9\u5f0f\u70ba\u96fb\u532f\uff08T\/T\uff09\u2014\u2014\u8a02\u55ae\u78ba\u8a8d\u6642\u652f\u4ed8 30%\uff0c\u51fa\u8ca8\u524d\u652f\u4ed8 70%\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>A stainless steel swing check valve, threaded, in 316 (CF8M), rated 200 WOG and tested to API 598. The hinged disc swings open with forward flow and drops shut the moment flow stops or reverses \u2014 no power needed. Female PT threads in stock, sizes 1\/2\u2033\u20133\u2033; NPT and PF threads and a CF8 (cast 304) body made to order. 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