With a mission of 'Commitment to Excellence', our R & D team, with many years of experience in the field of EN545 Ductile Iron Pipe, cast iron pipe, Cast Iron Cover and Frame Price, is constantly dedicated to improving the quality, performance and range of applications according to needs of customers. We are committed to synchronizing development with public welfare and making outstanding contributions to social economy and harmonious social construction. Since its establishment, the company has been pursuing and absorbing cutting-edge technology and craftsmanship in the industry, and continuously innovating. We've been consistently broadening the market all over the world.
Silent check valve is also called globe type check valve or nozzle check valve, which can close without water hammer. Silent check valves are designed to react to the high deceleration rates by closing very quickly, prior to the reverse velocity reaching damaging levels. Globe type check valve is used widely in where forward flow can turn into reverse flow quickly.
Silent Check Valve
Technical Specifications
* PN10/PN16/Class 125LB/Class 150LB
* Size: 2″~12″ (DN50~300mm)
* Materials: Cast iron (GG25, ASTM A126 B), ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12)
* Working pressure: 10bar, 16bar, 200psi
* Applicable medium: Water, sewage, waste water
* Applicable temperature: -10℃~+80℃
Standard
* Design & manufacturing: BS5153, MSS SP-71
* Face to face: EN558-1
* Flanged ends: EN1092-2, ASME B16.1/B16.42, AS4087
* Inspection & testing: API598 / EN12266
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