Hebei Xukang Meter Manufacturing Co., Ltd.  

Product Name: One-Way Valve Twin Disc Check Valves to The Clamp Model NO.: H71H, H71Y, H71F Application: Industrial Usage, Water Industrial Usage Standard: ANSI Flow Direction: Unidirection Sealing Form: Gland Packings Globe Valve Function: Ddcv Double Lobe Pressure: Ordinary Pressure Structure: Elevated Connection Form: Flange Material: Stainless Steel Type: Lift (Elevated) Check Valve, Swing, Butterfly Check Valve Material: Wcb CF8 CF8m CF3 CF3m Temperature: -40oc~570oc Working Pressure (Mpa): 1.0~16.0 Class150-Calss900 Nominal Diameter (Mm): Dn15-Dn200 1/2"-8" Medium: Water, Oil, Air and Various Corrosive Fluid Trademark: U-ideal Transport Package: Wooden Cases or Carton Specification: ANSI, DIN, JIS, VW or others Origin: Tianjin, China HS Code: 848130000 Product Description Features of different types check valve.check valve(back pressure valve, swing valve, one-way valve): a valve that closes by fluid pressure to prevent return flow (Also called nonreturn valve),A check valve is a mechanical valve that only permits water flow in one direction. There must install check valve where don't allow fluid flow back such as compressor or pump outlet.For low pressure medium and nominal diameter <DN50mm, select Butterfly swing check valve, vertical lift check valve or diaphragm check valve.If 1200mm>DN>200mm, select butterfly check valve or diaphragm.If require pipe small water hammer or no water hammer, better select slow-close type swing check valve and low-close butterfly check valve.1. H71H, H71Y, H71F wafer connection lift (elevated) check valveShort structure, light weight, with spring loaded, quick close, can reduce water hammer.ModelH71HH71YH71FWorking pressure (MPa)1.0~16.0 Class150-Calss900Working temperature-40ºC~570ºCNominal Diameter (mm)DN15-DN200 1/2″-8″MediumWater, oil, air and various corrosive fluid.MaterialBodyWCB CF8 CF8M CF3 CF3MDiscWCB CF8 CF8M CF3 CF3MSealStainless steel, STL Stellite, PTFESpringF304 F316 F304L F316L