A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 7035-01-411-6062
NSN 4140-01-389-8850
NSN 5910-00-845-3690
NSN 5910-01-299-1316
NSN 6610-01-211-6182
NSN 6145-01-378-9242
NSN 6645-01-178-4936
NSN 5945-01-144-6540
NSN 5985-01-571-8515
NSN 7035-01-238-9301
NSN 5945-00-498-3502
NSN 5895-01-150-9281