Swagelok specification "sc-11" designates oxygen cleaned; "1509" designates special order 9/16-18 unf male inlet and 1/4-18 npt male outlet connections.
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.
Classification: Safety or relief valves
NSN 5920-00-404-1078
NSN 5998-01-612-3571
NSN 6145-01-174-2992
NSN 6135-01-351-1131
NSN 6620-01-430-2212
NSN 4140-00-012-3506
NSN 6110-01-013-9313
NSN 6320-01-359-3921
NSN 6685-01-421-9939
NSN 6650-00-925-1274
NSN 5935-00-919-2076
NSN 5930-00-085-4662