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 5910-00-823-1548
NSN 6620-00-905-6590
NSN 5975-01-657-2644
NSN 6130-00-400-0786
NSN 5835-01-502-9228
NSN 6105-00-082-0333
NSN 5960-00-185-9974
NSN 5920-00-812-1037
NSN 5999-00-153-9671
NSN 5905-01-284-3640
NSN 6145-01-137-7321
NSN 5945-01-235-8441