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 6620-01-420-8666
NSN 5990-01-056-6413
NSN 5990-01-344-6176
NSN 5985-00-407-5314
NSN 6150-00-082-3305
NSN 5985-01-530-2080
NSN 5920-01-216-5219
NSN 6110-00-546-5145
NSN 5835-01-310-8979
NSN 6240-00-292-3237
NSN 6145-01-650-5713
NSN 6105-01-137-6004