{"id":3843,"date":"2025-10-17T09:15:10","date_gmt":"2025-10-17T01:15:10","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&#038;p=3843"},"modified":"2026-09-06T10:31:54","modified_gmt":"2026-09-06T02:31:54","slug":"%e9%9d%9c%e9%9f%b3%e6%ad%a2%e5%9b%9e%e9%96%a5","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/zh\/product\/silent-check-valve\/","title":{"rendered":"Stainless Steel Silent Check Valve \u2013 Spring Loaded, Non-Slam, 304, 1\/2\u2033\u20132\u2033"},"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\/1PC-Check-Valve-1.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\">1 \u500b \u6b62\u56de\u95a5<\/span><span style=\"display:block;font-size:13px;color:#777777 !important\">\u5f48\u7c27\u5f0f \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>SC-1 \u662f\u4e00\u6b3e\u4e00\u9ad4\u5f0f\u975c\u97f3\u6b62\u56de\u95a5\u2014\u2014\u4ea6\u7a31\u70ba\u5f48\u7c27\u6b62\u56de\u95a5\u6216\u76f4\u901a\u5f0f\u6b62\u56de\u95a5\u3002\u5176\u5167\u7f6e\u7684\u4e0d\u93fd\u92fc\u5f48\u7c27\u6703\u63a8\u52d5\u6d3b\u585e\u4f7f\u5176\u95dc\u9589 <i>\u4e4b\u524d<\/i> \u6d41\u91cf\u6703\u5b8c\u5168\u9006\u8f49\uff0c\u56e0\u6b64\u95a5\u9580\u6703\u975c\u975c\u5730\u95dc\u9589\uff0c\u800c\u975e\u731b\u7136\u95dc\u4e0a\uff1a\u65e2\u4e0d\u6703\u7522\u751f\u6c34\u64ca\uff0c\u4e5f\u4e0d\u6703\u5c0d\u6cf5\u6d66\u548c\u7ba1\u7dda\u9020\u6210\u885d\u64ca\u8f09\u8377\u3002\u4e00\u9ad4\u5f0f\u95a5\u9ad4\u8a2d\u8a08\u7dca\u6e4a\uff0c\u8db3\u4ee5\u9069\u61c9\u6cf5\u6d66\u548c\u5206\u914d\u5668\u5468\u570d\u7684\u72f9\u7a84\u7a7a\u9593\u3002.<\/p>\n<p>\u95a5\u9ad4\u3001\u6d3b\u585e\u53ca\u95a5\u84cb\u5747\u63a1\u7528 304 \u4e0d\u93fd\u92fc\uff08CF8\uff09\u9444\u9020\uff0c\u4ea6\u53ef\u4f9d\u8a02\u55ae\u9700\u6c42\u63d0\u4f9b CF8M\uff08316 \u9444\u9020\uff09\u7248\u672c\u3002 \u5eab\u5b58\u5099\u6709 1\/2\u2033 \u81f3 2\u2033 \u898f\u683c\u7684 PT \u5167\u87ba\u7d0b\uff1bNPT \u53ca PF \u898f\u683c\u53ef\u63a5\u53d7\u8a02\u88fd\u3002\u82e5\u60a8\u504f\u597d\u58d3\u964d\u8f03\u4f4e\u7684\u9278\u93c8\u5f0f\u789f\u95a5\uff0c\u8acb\u53c3\u95b1 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e8%9e%ba%e7%b4%8b%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u4e0d\u93fd\u92fc\u64fa\u52d5\u5f0f\u6b62\u56de\u95a5<\/a>, \uff0c\u6216\u700f\u89bd\u5168\u90e8 <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>\u975c\u97f3\u578b\uff08Spring\uff09\u9084\u662f\u64fa\u52d5\u578b\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\">\u975c\u97f3\uff0f\u5f48\u7c27\u64cb\u677f\uff08\u6b64\u95a5\u9580\uff09<\/th>\n<th style=\"border:1px solid #dddddd;padding:8px;text-align:left\">\u64fa\u52d5\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\u6d41\u91cf\u5b8c\u5168\u9006\u8f49\u4e4b\u524d\uff0c\u5f48\u7c27\u6703\u5148\u5c07\u6d3b\u585e\u95dc\u9589\uff08\u975e\u731b\u70c8\u95dc\u9589\uff09<\/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<\/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\">\u66f4\u9ad8 \u2014 \u5f48\u7c27\u4f4d\u65bc\u6d41\u9053\u5167<\/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<\/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\">\u6cf5\u6d66\u7684\u6392\u51fa\u7aef\u53ca\u7ba1\u7dda\u5bb9\u6613\u767c\u751f\u6c34\u64ca\u73fe\u8c61<\/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<\/tr>\n<\/tbody>\n<\/table>\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\">\u975c\u97f3\u6b62\u56de\u95a5 \u2014 \u4e00\u9ad4\u5f0f\u3001\u5f48\u7c27\u5f0f\uff08\u76f4\u901a\u5f0f\uff0f\u5f48\u7c27\u6b62\u56de\u95a5\uff09<\/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-1<\/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 2 \u82f1\u540b<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u672c\u9ad4\u3001\u6d3b\u585e\u8207\u84cb<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">CF8 \u2014 304 \u4e0d\u93fd\u92fc\u7684\u9444\u9020\u578b\u865f \u2014 \u6709\u73fe\u8ca8\uff1bCF8M\uff08\u9444\u9020 316\uff09\u9700\u63a5\u55ae\u751f\u7522<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #dddddd;padding:8px\"><b>\u6625\u5929<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">SS304\uff08316 \u7248\u672c\u70ba SS316\uff09<\/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\">\u5973\u6027\u7528 PT \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>\u5efa\u7bc9<\/b><\/td>\n<td style=\"border:1px solid #dddddd;padding:8px\">\u4e00\u9ad4\u5f0f\u6a5f\u8eab\uff0c\u7dca\u6e4a\u7684\u7aef\u5c0d\u7aef\u8a2d\u8a08<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u61c9\u7528<\/h2>\n<ul>\n<li><strong>Pump discharge lines<\/strong> \u2014 the spring closes the valve before reverse flow builds, so there is no water hammer when the pump trips.<\/li>\n<li><strong>Municipal water supply and booster pump stations<\/strong> \u2014 quiet, fast-closing check duty on clean water.<\/li>\n<li><strong>HVAC and high-rise booster systems<\/strong> \u2014 silent closing in mechanical rooms next to occupied space.<\/li>\n<li><strong>Cooling-water loops<\/strong> \u2014 clean water only; not for media with suspended solids.<\/li>\n<li><strong>Pump skids and tight manifolds<\/strong> \u2014 the short one-piece body fits where a swing check will not.<\/li>\n<li><strong>Vertical and any-orientation piping<\/strong> \u2014 the spring closes the valve, so gravity is not needed.<\/li>\n<li><strong>Small-bore, low-pressure water distribution lines<\/strong> \u2014 1\/2\u2033\u20132\u2033 threaded connections.<\/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 treatment plants<\/a><\/strong> \u2014 clean-water lines and pump discharge, not sludge.<\/li>\n<\/ul>\n<p>Where slam noise is not a concern and the line is horizontal, the <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e8%9e%ba%e7%b4%8b%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u4e0d\u93fd\u92fc\u64fa\u52d5\u5f0f\u6b62\u56de\u95a5<\/a> is the lower-cost option; 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>.<\/p>\n<h2>\u5e38\u898b\u554f\u984c<\/h2>\n<p><b>\u70ba\u4ec0\u9ebc\u5b83\u88ab\u7a31\u70ba\u300c\u975c\u97f3\u6b62\u56de\u95a5\u300d\uff1f<\/b> \u56e0\u70ba\u5b83\u80fd\u975c\u975c\u5730\u95dc\u9589\u3002\u5728\u6d41\u91cf\u5b8c\u5168\u9006\u8f49\u4e4b\u524d\uff0c\u5f48\u7c27\u4fbf\u6703\u63a8\u52d5\u6d3b\u585e\u5c07\u95a5\u9580\u95dc\u9589\uff0c\u56e0\u6b64\u4e0d\u6703\u6709\u5f37\u70c8\u7684\u9006\u6d41\u885d\u64ca\u95a5\u9580\u2014\u2014\u90a3\u7a2e\u88ab\u7a31\u70ba\u300c\u6c34\u64ca\u300d\u7684\u7830\u7136\u8072\u97ff\u6c38\u9060\u4e0d\u6703\u767c\u751f\u3002.<\/p>\n<p><b>\u9019\u548c\u5f48\u7c27\u5f0f\u6b62\u56de\u95a5\u6216\u76f4\u901a\u5f0f\u6b62\u56de\u95a5\u662f\u4e00\u6a23\u7684\u55ce\uff1f<\/b> \u662f\u7684\u2014\u2014\u975c\u97f3\u6b62\u56de\u95a5\u3001\u5f48\u7c27\u6b62\u56de\u95a5\u548c\u76f4\u901a\u5f0f\u6b62\u56de\u95a5\uff0c\u90fd\u662f\u6307\u540c\u4e00\u79cd\u8a2d\u8a08\u7684\u4e0d\u540c\u540d\u7a31\uff1a\u5373\u5728\u76f4\u901a\u5f0f\u4e00\u9ad4\u5f0f\u95a5\u9ad4\u5167\u8a2d\u6709\u5f48\u7c27\u9a45\u52d5\u7684\u6d3b\u585e\u3002.<\/p>\n<p><b>\u975c\u97f3\u578b\u9084\u662f\u64fa\u52d5\u578b\u6b62\u56de\u95a5\u2014\u2014\u6211\u8a72\u9078\u54ea\u4e00\u7a2e\uff1f<\/b> \u82e5\u6cf5\u6d66\u51fa\u53e3\u53ca\u7ba1\u7dda\u5bb9\u6613\u767c\u751f\u6c34\u64ca\u73fe\u8c61\uff0c\u8acb\u9078\u7528\u6b64\u975c\u97f3\u578b\u865f\u3002\u8acb\u9078\u7528 <a href=\"https:\/\/ballvalves.tw\/zh\/%e7%94%a2%e5%93%81\/%e8%9e%ba%e7%b4%8b%e5%bc%8f%e6%ad%a2%e5%9b%9e%e9%96%a5\/\">\u64fa\u52d5\u5f0f\u6b62\u56de\u95a5<\/a> \u5728\u4f4e\u58d3\u964d\u66f4\u70ba\u91cd\u8981\u7684\u60c5\u6cc1\u4e0b\u2014\u2014\u5176\u789f\u7247\u6703\u5b8c\u5168\u64fa\u96e2\u5b54\u5f91\u3002.<\/p>\n<p><b>\u9019\u662f\u4ec0\u9ebc\u6750\u8cea\uff1f<\/b> \u672c\u9ad4\u3001\u6d3b\u585e\u53ca\u84cb\u9ad4\u5747\u63a1\u7528 304 \u4e0d\u93fd\u92fc\uff08CF8\uff09\u9444\u9020\uff0c\u4e26\u914d\u6709 SS304 \u5f48\u7c27\u2014\u2014\u73fe\u8ca8\u4f9b\u61c9\u3002316 \u7248\u672c\uff08CF8M \u9444\u4ef6\u3001SS316 \u5f48\u7c27\uff09\u5247\u9700\u63a5\u55ae\u751f\u7522\u3002.<\/p>\n<p><b>\u6709\u54ea\u4e9b\u87ba\u7d0b\u6a19\u6e96\u53ef\u4f9b\u9078\u64c7\uff1f<\/b> \u73fe\u8ca8\u4f9b\u61c9\u96cc\u87ba\u7d0b PT \u7ba1\u63a5\u982d\uff0c\u5c3a\u5bf8\u7bc4\u570d\u70ba 1\/2 \u82f1\u540b\u81f3 2 \u82f1\u540b\u3002NPT \u548c PF \u898f\u683c\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 silent check valve (spring check valve), one-piece, in cast 304 (CF8) \u2014 the spring closes the piston before flow reverses, stopping water hammer and protecting pumps and pipes. Female PT threads in stock, sizes 1\/2\u2033\u20132\u2033; NPT and PF threads and a 316 (CF8M) version made to order. 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