Product : Bronze Controllable Feed Check Valve Type of Pattern : Right Angle Body Material cum Standard : Bronze IBR 282(a)(iv) Gr.B Description : Screwed in Bonnet, OS Yoke Type , Rising Stem (15mm to 32mm) Bolted Bonnet, OS Yoke Type, Rising Stem (40mm to 50mm) Type of Seat : Renewable Seat Type of Disc : Renewable Disc Trim : SS AISI-410 Gland Packing : Expanded Pure Flexible Graphite End Details : Screwed female BSP Taper threads to BS 21 Testing & Certification Body Test Pressure : 500 Psig.Hyd. Seat & Back Seat Test Pressure : 500 Psig. Hyd. & 250 Psig. Steam Working Pressure : Max.BOP 250 Psig.(17.58Kg/cm) Maximum Working Temperature: 225C (435F) Test Certificate in Form lll-C as per IBR is furnished with every supply. (APS Marines & Logistics)