Product : SBM Bronze Vertical Lift Check Valve Type of Pattern : Standard Pattern Body Material cum Standard : GM ( IS:318 Gr.LTB2 ) Type of Seat : Integral seat Type of Disc : Renewable disc Trim : Cu-Alloy End Details : Screwed Female BSP threads to BS 21. Testing & Certification Body Test Pressure : 21.09Kg/cm g (300Psig. Hyd.) Seat Test Pressure : 14.06Kg/cm g (200Psig. Hyd.) Our Works Test Certificate is furnished with every supply. (APS Marines & Logistics)