{"product_id":"premium-sh-upvc-ball-check-valve-20-63mm-true-union-anti-siphon-flapper-horizontal-vertical-mount","title":"Premium SH UPVC Ball Check Valve (20-63mm) | True Union Anti-Siphon Flapper | Horizontal \u0026 Vertical Mount","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #0056b3; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🚀 Need massive valves for commercial ponds or industrial mainlines? \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/products\/heavy-duty-sh-upvc-ball-check-valve-75-110mm-150-psi-industrial-non-return-valve-chemical-resistant\" style=\"color: #0056b3; text-decoration: underline;\"\u003eClick here for our Heavy-Duty SH Check Valves (75mm - 110mm)\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium SH UPVC Ball Check Valve\u003c\/h2\u003e\u003cp\u003eUpgrade your aquarium's safety protocol with the ultimate industrial-grade Single Union Ball Check Valve from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Manufactured by SHIE YU, this premium non-return valve features a revolutionary U-shaped half-ball design that eliminates metal springs, offering zero-resistance flow and an absolute watertight seal to prevent catastrophic back-siphoning during power outages.\u003c\/p\u003e\u003ch3\u003e🌟 Engineering Advantages \u0026amp; Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInnovative U-Shaped Ball Design:\u003c\/strong\u003e Utilizes the water's own weight instead of metal springs. This groundbreaking design allows the valve to be installed \u003cb\u003eHORIZONTALLY or VERTICALLY\u003c\/b\u003e with superior water-stopping performance and practically zero minimum water pressure required for a vertical seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Rib Guides \u0026amp; Reinforced Seal:\u003c\/strong\u003e Internal ribs perfectly guide the half-ball for a stable seal, while an added support ring prevents the sealing gasket from deforming under pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe-Machined Surfaces:\u003c\/strong\u003e The contact surfaces of the socket and the sealing ring are precision lathe-machined to ensure absolute flatness and a flawless, seamless fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Metal-Free \u0026amp; Safe:\u003c\/strong\u003e Lead-free stabilizer formulation is non-toxic and odorless. Perfectly safe for drinking water, marine reef tanks, and corrosive liquids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Specs:\u003c\/strong\u003e \u003cb\u003eMaterial:\u003c\/b\u003e UPVC (Dark Grey) | \u003cb\u003eMax Working Pressure:\u003c\/b\u003e 150 PSI (equivalent to a 100-meter water column!) | \u003cb\u003eOperating Temp:\u003c\/b\u003e 0~45°C | \u003cb\u003eStandards:\u003c\/b\u003e ANSI, DIN, JIS, CNS.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; Connection Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 SIZING LOGIC (Inner Dia. matches Outer Dia.):\u003c\/strong\u003e The sizes listed (e.g., 25mm) refer to the \u003cb\u003eInner Diameter (I.D.)\u003c\/b\u003e of the socket ends. They sleeve \u003cb\u003eOVER\u003c\/b\u003e your rigid PVC pipes. Therefore, a 25mm I.D. valve perfectly connects to a PVC pipe with a \u003cb\u003e25mm Outer Diameter (O.D.)\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Union Quick-Release:\u003c\/strong\u003e The threaded union nut allows you to easily detach the pipe section for future maintenance or cleaning without cutting glued pipes!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"20mm I.D. (DN15)","offer_id":56665233850534,"sku":null,"price":3.65,"currency_code":"USD","in_stock":true},{"title":"25mm I.D. (DN20)","offer_id":56665233883302,"sku":null,"price":4.85,"currency_code":"USD","in_stock":true},{"title":"32mm I.D. (DN25)","offer_id":56665233916070,"sku":null,"price":5.84,"currency_code":"USD","in_stock":true},{"title":"40mm I.D. (DN32)","offer_id":56665233948838,"sku":null,"price":8.94,"currency_code":"USD","in_stock":true},{"title":"50mm I.D. (DN40)","offer_id":56665233981606,"sku":null,"price":10.36,"currency_code":"USD","in_stock":true},{"title":"63mm I.D. (DN50)","offer_id":56665234014374,"sku":null,"price":15.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_SHIE_YU_UPVC_Ball_Check_Valve_20-63mm_True_Union_Anti-Siphon_Flapper_Horizontal_Vertical_Mount-001.png?v=1781601509","url":"https:\/\/atradesen.com\/products\/premium-sh-upvc-ball-check-valve-20-63mm-true-union-anti-siphon-flapper-horizontal-vertical-mount","provider":"Atradesen","version":"1.0","type":"link"}