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 2925-01-577-9269
NSN 5905-01-108-4607
NSN 5905-01-480-9851
NSN 6610-00-611-8635
NSN 5975-01-513-9960
NSN 6105-01-104-3489
NSN 5985-01-422-0466
NSN 6130-01-104-4308
NSN 6135-00-546-6273
NSN 6645-01-023-8724
NSN 6320-01-067-0474
NSN 4140-01-165-6409