carbon steel Lifting Check Valve 1.DN:DN:25-300mm 2.PN:PN:1 ... range:-10-350 4.OEM Offered carbon steel Lifting Check ValveCodeH41H-16/25DNDN:25-300mmPNPN:1.6/2.5MpaTemperature ... ,JIS,GBFlange StandardISO,DIN,BS,ANSI,JIS,GBTest and check up standardAccording to the requirements of customersActuation WaysManual actuator ... SteelBonnetWCB,Cast Iron,Stainless Steel carbon steel Lifting Check Valve