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 5999-01-520-8654
NSN 5960-01-390-5961
NSN 5920-01-119-8382
NSN 6685-00-473-2423
NSN 5930-01-443-9582
NSN 2925-01-528-7333
NSN 6650-01-423-6313
NSN 6220-01-555-7812
NSN 5975-00-146-6555
NSN 5855-00-951-6483
NSN 6220-01-052-3986
NSN 5960-01-029-4551