Product : Dual Plate Wafer Check Valve Pressure Rating : PN-16 Body Material cum Standard : CI IS 210 Gr. FG200 Pressure Description : Wafer Type Spring Loaded Type of Seat : EPDM Rubber Lining Type of Disc : Ductile Iron Disc Trim : Spring & Pins SS 304 End Details : Wafer type suitable for clamping between flanges as per ASME B 16.5 Class-150 (APS Marines & Logistics) Testing & Certification Body Test Pressure : 300Psig. Hyd. Seat Test Pressure : 200Psig. Hyd.