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 6620-00-236-7148
NSN 6105-00-832-6619
NSN 5935-00-088-8964
NSN 5975-01-089-5508
NSN 6650-01-593-5993
NSN 5895-01-492-9461
NSN 5855-00-337-3679
NSN 6145-01-351-7441
NSN 6130-01-212-9077
NSN 5950-01-399-8700
NSN 6150-01-438-4392
NSN 6240-01-080-3567