Lift Wafer Check Valve is available in swing type wafer check valve or lift type wafer check valve. Dual plate and single plate, fully lugged or flanged connection. Material: Forged Carbon Steel, Cast Carbon Steel, Stainless Steel, Duplex Stainless Steel, Monel, etc. Characteristics: The Wafer Check Valve is in Small Face to face dimension which is only of 1/4~1/8 of Standard Swing ,light weight,quick disc close to avoid high water hammer pressure.