SAFETY VALVE; INLET DIAMETER: 6 “; VACUUM SWITCH,INLET FLANGE Ø6” ANSI SERIES 150 RF,THREADED COVER,SEAT AND BONNET MATERIAL: A216 GR. WCB,SEAT MATERIAL:SS 316,PALLET MATERIAL:SS 316,DIAPHRAGM MATERIAL:TEFLON,RE SORTE MATERIAL:CARBON STEEL,FLUID:AIR,OPERATING PRESSURE:0.35 BARG,SET PRESSURE:-0.5 BARG,OPERATING TEMPERATURE:140°C,ALLOWABLE OVERPRESSURE:20%. VALVES MUST BE PREPARED FOR TRANSPORTATION ACCORDING TO API 526.SUPPLIER MUST INCLUDE API 2000 CERTIFICATE; BRAND 1: GROTH; N-PART 1: 1301A-06-355-T00