BODY BONNET ASTM A 216 Gr WCB WC1 WC6 WC9 LCBTRIMS 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 : 9275 Psig (652 KgCm )SEAT : 6790 Psig (477 KgCm )SIZE RANGE 50 MM TO 600MM