Product : Bronze Loco Type Fusible Plug Body Material cum standard : Bronze IBR Clause 282 (a) IV GrB Product Description : Loco Type two piece design End Details : Male BSP Taper Threads to BS-21 Testing & Certification Test Pressure : Tested to 500Psig. Hyd. (35.15 kg/cm (Hyd.) Working Pressure : Max. BOP 250Psig.(17.58kg/cm ) Maximum Working Temperature : 435 F (225 C) (APS Marines & Logistics)