Product : SANT Gun Metal Horizontal Lift Check Valve Product Standard : IS-778 Pressure/Class/Rating : Class-1 Body Material cum Standard : GM ( IS:318 Gr.LTB2 ) Description : Screwed in Cover Type of Seat : Integral seat Trim : Cu-Alloy End Details : Flanges as per IS:778 Class-1 F.F. undrilled Testing & Certification Body Test Pressure : 1.5 MPa Hyd. Seat Test Pressure : 1.0 MPa Hyd. Max Working Temperature: 45 C Our Works Test Certificate is furnished with every supply. (APS Marines & Logistics)