Crane Valves SRV-BR-12-7BAR Bronze safety relief valve 1/2" BSP, pre-set to 7 bar. Spring-loaded for overpressure protection. For compressed air, water, and steam systems. Deployed in process, utility and marine piping loops for on-off shutoff, control, safety relief or diversion service. IV), ASME VIII UV Stamp, API 526, API 527; Standards: ASME VIII, API 526, API 527, EN 1092-1; Approvals: PED; HS code: 8481.80.