VALVE, RELIEF: TYPE SAFETY, DESIGN RATING 600 X 300 LB, BODY MATERIAL CS ASME SA216 GR WCC, VALVE SIZE 4 X P2 X 6 IN, TRIM DISC INCONEL; SPINDLE SS, SPRING COATED ALLOY STEEL, CONNECTION FLANGED RF, OPERATED SPRING LOADED, SET PRESSURE 56 BAR G, STYLE BOLTED BONNET, APPLICATION STEAM BOILER, TEMPERATURE RATING 274.15 °C, MNFR: EMERSON - CROSBY MNFR PART NO: UNK, MNFR DRG 16510 CP2 REV: 1, EQUIP SERIAL NO: 16510-003-1 TO 4, EQUIP MODEL NO: 4P6 HCI -46-C, TEST CERTIFICATE COMMENTS: MATERIAL AND PRESSURE TESTE CERTIFICATES REQUIRED WITH DELIVERY