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 6685-01-171-5120
NSN 5920-01-335-6347
NSN 5975-01-229-5597
NSN 5855-01-522-9161
NSN 5930-00-271-2382
NSN 5945-01-106-1703
NSN 5905-01-406-8077
NSN 6320-01-215-1133
NSN 6220-01-440-8536
NSN 5895-01-275-1505
NSN 6130-01-421-4296
NSN 6135-01-369-5392