{"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":"2025-12-11T13:16:30","modified_gmt":"2025-12-11T05:16:30","slug":"silent-check-valve","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/ja\/product\/silent-check-valve\/","title":{"rendered":"304 \u30ef\u30f3\u30d4\u30fc\u30b9\u30b5\u30a4\u30ec\u30f3\u30c8\u30c1\u30a7\u30c3\u30af\u30d0\u30eb\u30d6"},"content":{"rendered":"<h2 data-path-to-node=\"71\">\u88fd\u54c1\u8aac\u660e<\/h2>\n<p data-path-to-node=\"72\">Unlike swing check valves that rely on gravity and flow reversal to close (often slamming shut), the Silent Check Valve utilizes an internal spring. As flow slows down, the spring pushes the disc closed gently before backflow begins. This eliminates the loud &#8220;bang&#8221; associated with sudden flow stops. The <b>304SS<\/b> body offers good corrosion resistance for standard water and oil applications.<\/p>\n<h2 data-path-to-node=\"73\">\u4e3b\u8981\u6280\u8853\u4ed5\u69d8<\/h2>\n<ul data-path-to-node=\"74\">\n<li>\n<p data-path-to-node=\"74,0,0\"><b>\u30dc\u30c7\u30a3\u7d20\u6750\uff1a<\/b> ASTM 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"74,1,0\"><b>\u30b5\u30a4\u30ba\u7bc4\u56f2\uff1a<\/b> 1\/2\u2033 ~ 2\u2033<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"74,2,0\"><b>\u30bf\u30a4\u30d7<\/b> Spring-Loaded Inline Check<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"74,3,0\"><b>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3060\uff1a<\/b> Threaded (Internal)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"74,4,0\"><b>\u6a5f\u80fd\uff1a<\/b> Non-return, Anti-Water Hammer<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"75\">\u5229\u70b9\u3068\u30e1\u30ea\u30c3\u30c8<\/h2>\n<ul data-path-to-node=\"76\">\n<li>\n<p data-path-to-node=\"76,0,0\"><b>Silent Operation:<\/b> Spring mechanism prevents the noise and vibration of water hammer.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"76,1,0\"><b>\u30dd\u30f3\u30d7\u306e\u4fdd\u8b77\uff1a<\/b> Prevents damaging reverse flow from spinning pumps backward.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"76,2,0\"><b>Installation Flexibility:<\/b> Can be installed in any orientation (vertical or horizontal) thanks to the spring.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"76,3,0\"><b>Compact:<\/b> Small footprint for easy integration.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"77\">\u9069\u7528\u5206\u91ce\u3068\u8a2d\u7f6e\u5834\u6240<\/h2>\n<ul data-path-to-node=\"78\">\n<li>\n<p data-path-to-node=\"78,0,0\"><b>Pump Discharge:<\/b> Immediately after water pumps.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"78,1,0\"><b>HVAC Systems:<\/b> Condensate lines.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"78,2,0\"><b>\u914d\u7ba1\u5de5\u4e8b\u5168\u822c\uff1a<\/b> Vertical riser pipes.<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"69\"><b>Compact Backflow Prevention Without the Hammer.<\/b><\/p>\n<p data-path-to-node=\"70\">\u305d\u306e <b>304 \u30ef\u30f3\u30d4\u30fc\u30b9\u30b5\u30a4\u30ec\u30f3\u30c8\u30c1\u30a7\u30c3\u30af\u30d0\u30eb\u30d6<\/b> is a cost-effective guardian for your piping system. Constructed from <b>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/b>, this spring-assisted valve is designed to close <i>before<\/i> flow reverses, effectively preventing &#8220;Water Hammer&#8221; and protecting pumps and pipes from shock damage. Its compact &#8220;One-Piece&#8221; design fits easily into tight spaces.<\/p>","protected":false},"featured_media":3788,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[65],"product_tag":[],"class_list":{"0":"post-3843","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-check-valve","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product\/3843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/media\/3788"}],"wp:attachment":[{"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/media?parent=3843"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_brand?post=3843"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_cat?post=3843"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ballvalves.tw\/ja\/wp-json\/wp\/v2\/product_tag?post=3843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}