BODY BONNET ASTM A 216 Gr WCB CF8 CF8M CF3 CF3MTRIMS 13 Cr 18 Cr 8 NiMFG STD API 600INSP & TEST STD API 598ENDS FLANGED TO ASME B 16.5 RFOPERATION MANUAL GEAR ELECTRICAL ACTUATEDHYD-TEST PRESSURE BODY : 425 Psig (30 KgCm )SEAT : 300 Psig (21 KgCm )SIZE RANGE 25 MM TO 300 MM