{"product_id":"premium-sanking-upvc-true-union-swing-check-valve-20-63mm-150-psi-flapper-non-return-valve-horizontal-vertical-mount","title":"Premium SanKing UPVC True Union Swing Check Valve (20-63mm) | 150 PSI Flapper Non-Return Valve | Horizontal \u0026 Vertical Mount","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #343a40; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Need to control the flow rate on this plumbing line? Pair it with our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/upvc-pvc-valves\/products\/premium-sanking-upvc-true-union-ball-valve-20-63mm-150-psi-aquarium-flow-control-nsf-certified-double-disconnect\" style=\"color: #343a40; text-decoration: underline;\"\u003ePremium SanKing True Union Ball Valves\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium SanKing UPVC True Union Swing Check Valve\u003c\/h2\u003e\u003cp\u003eProtect your vital pumps and prevent catastrophic back-siphoning with the heavy-duty SanKing True Union Swing Check Valve from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Engineered for professional aquariums, marine reef sumps, and industrial liquid transport, this double-disconnect flapper valve ensures water only flows in one direction while offering unmatched durability and ease of maintenance.\u003c\/p\u003e\u003ch3\u003e🌟 Industrial-Grade Flap Design \u0026amp; Easy Maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwing Flapper Mechanism:\u003c\/strong\u003e Unlike spring-loaded valves that restrict flow, this advanced swing\/flap design offers extremely low water resistance. It can be installed \u003cb\u003eHORIZONTALLY or VERTICALLY\u003c\/b\u003e with superior sealing performance and minimal pressure requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Union Quick-Release:\u003c\/strong\u003e Features threaded union nuts on BOTH ends. Instantly detach the entire central valve body for cleaning or replacement without ever needing to cut your glued PVC pipes!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150 PSI \u0026amp; 100% Metal-Free:\u003c\/strong\u003e Built to withstand massive industrial pressures up to 150 PSI. The completely metal-free UPVC construction means it will never rust, making it 100% safe for saltwater reef tanks and drinking water systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Installation Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eEnsure a flawless, leak-proof setup by reviewing the Atradesen.com guidelines below:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 DIRECTIONAL ARROW:\u003c\/strong\u003e Check valves are strictly one-way! You MUST install the valve so the molded arrow on the body points in the direction of your pump's water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 SIZING LOGIC (Inner Dia. matches Outer Dia.):\u003c\/strong\u003e The sizes listed in the dropdown menu (e.g., 25mm) refer to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the two union sockets. They are designed to sleeve \u003cb\u003eOVER\u003c\/b\u003e your rigid PVC pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e PVC waterproof adhesive\/glue MUST be used on the outer slip joints to secure your pipes permanently to the union halves.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (DN15)","offer_id":56666351173798,"sku":null,"price":18.0,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (DN20)","offer_id":56666351206566,"sku":null,"price":23.0,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (DN25)","offer_id":56666351239334,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (DN32)","offer_id":56666351272102,"sku":null,"price":38.0,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (DN40)","offer_id":56666351304870,"sku":null,"price":50.0,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (DN50)","offer_id":56666351337638,"sku":null,"price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_SanKing_UPVC_True_Union_Swing_Check_Valve_20-63mm_150_PSI_Flapper_Non-Return_Valve_Horizontal_Vertical_Mount-001.png?v=1781613293","url":"https:\/\/atradesen.com\/products\/premium-sanking-upvc-true-union-swing-check-valve-20-63mm-150-psi-flapper-non-return-valve-horizontal-vertical-mount","provider":"Atradesen","version":"1.0","type":"link"}