Product : S.S. Wafer Disc Check Valve Pressure/Class /Rating : PN-40 Body Material cum standard : CF-8 Product Description : Wafer Type Spring Loaded Type of Disc : Stainless Steel CF-8 End Details : Wafer Type Suitable for Clamping between Flanges as per ASME B 16.5 Class-150, Class-300, PN-40 Testing & Certification Body Test Pressure : 60 Barg Hyd. Seat Test Pressure : 40 Barg Hyd. Our Works Test Certificate is furnished with every supply. (APS Marines & Logistics)