Product : Cast Steel Parallel Slide Blow off Valve Body Material cum Standard : CCS (ASTM A216 Gr.WCB) Description : Rack and Pinion operated with key Type of Seat : Renewable seat Type of Disc : Renewable disc Gland Packing : Expanded Pure Flexible Graphite Trim : SS AISI-410 / Monel End Details : Flanges as per BS 10 Table J FF Undrilled Testing & Certification Body Test Pressure : 700 Psig Hyd. Seat Test Pressure : 350 Psig Hyd. Working Pressure : Max. BOP 350 Psig. (24.61Kg/cm ) Maximum Working Temperature: 400 C Test Certificate in Form lll-C as per IBR is furnished with every supply. (APS Marines & Logistics)