... Dual Plate Wafer Check Valve has One Piece cast heavy stronger Body configuration provides reduced weight and size compare to a swing ... check valve or lift check valve. This results in saving Initial cost, space and pipe support element installation. The Dual ... R.F or RTJ, Wafer, Fully Lugged and GroovedHot tags: Dual Plate Check Valve, China manufacturer, factory, mill, supplier, cheapFull ...