SAFETY VALVE AND RELIEF – DN 100 PN 160 X DN 150 PN 40 – MODELO4562.6044; 100 TH, 48.5 BAR; CONNECTION OF ENTRY DN100 PN160; CONNECTION EXIT-DN150 PN40; TYPE DOUBLE SPRING: 540.8942.0000 WITH 540.9912.0205; HOLE DIAMETER: 74 MM; SEAL METAL, NOZZLE PARTIAL, WITH LEVER AND LOCK FOR HYDROSTATIC TESTING; BODY: CARBON STEEL DIN 1.0619 (SA-216 WCB); CLOSED CASTLE: CAST IRON DIN0.7043 (SA 395GR.60-40-18); SHUTTER / DISC: STAINLESS STEEL DIN 1.4122 (AISI 420 RM); HEADQUARTERS: ACO INOX DIN 1.4404 (AISI 31 6L); STEM: STAINLESS STEEL DIN 1.4404 (AISI316 L); SPRING: ALLOY STEEL DIN 1.8159 (AISI 6150) NUMBER OF SERIE 10223923-19.11.2007