VALVE, RELIEF: TYPE SAFETY, DESIGN RATING 600 X 300 LB, BODY MATERIAL CS ASME SA217 GR WC6, VALVE SIZE 4 X P2 X 6 IN, TRIM DISC INSERT ASTM A565 GR 616; SPINDLE SS 416; SPINDLE BALL 440C, CONNECTION FLANGED RF, OPERATED SPRING LOADED, SET PRESSURE 46 BAR G, STYLE BOLTED BONNET, APPLICATION STEAM BOILER, MNFR: EMERSON - CROSBY MNFR PART NO: UNK, MNFR DRG 16510 CP1 REV: 1, EQUIP SERIAL NO: 16510-001-1 TO 4, EQUIP MODEL NO: HCI 48, TEST CERTIFICATE COMMENTS: MATERIAL AND PRESSURE TESTE CERTIFICATES REQUIRED WITH DELIVERY