Gas relief valve 312V2

compressed airstainless steel

Available connection ports: 3/8″G-F 1/2″G-F 3/8″NPT-F 1/2″NPT-F Flanged connections available on request. Relief pressure, up to 15 bar (217 psi), is controlled by rubber diaphragm; greater relief pressure are controlled by a AISI 316L piston. The product complies with the 2014/68/EU PED directive. Available ATEX 2014/34/UE version. Other versions on request. For use in potentially explosive atmosphere zones: 1, 21, 2, 22 (not applicable in mines and zone 0). IN/OUT Connection G 1/4”-F | G 3/8”-F | G 1/2”-F | UNI EN 1092-1 1/4”NPT-F | 3/8”NPT-F | 1/2”NPT-F | ASME B16.5 Working Temperature - -4+176 °F standard | From -76 up to +608 °F on request Maximum Allowable Pressure (PS) 22,5 bar (diaphragm) | 70 bar (piston) CV (CEI EN 60534-2) - 2,3 US gal/min Relief Pressure Ranges 0,2 ÷ 1,5 | 0,3 ÷ 3 | 0,8 ÷ 8 | 1,5 ÷ 15 | 3 ÷ 30 | 5 ÷ 50 bar Plug Leakage Class “A” class (UNI EN 12266-1) Pressure Gauge Connection - 1/4”-F | 1/8”-F (GAS / NPT) Certifications PED 2014/68/UE | ATEX 2014/34/UE | MOCA 1935/2004 | EAC TR CU 010 | EAC Ex TR CU 012 Seals Material - EDPM | FPM | FVMQ | FFKM Accesories - Wall mounting bracket Spare Parts Kit - O-rings | assembled plug | assembled diaphragm (if applicable)