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 6650-00-413-6619
NSN 6150-01-383-4976
NSN 6620-01-288-8249
NSN 4140-00-078-9357
NSN 6645-01-275-8436
NSN 6130-00-272-5351
NSN 6685-00-221-4435
NSN 5895-01-343-0775
NSN 6105-00-222-8281
NSN 5855-01-509-6872
NSN 6150-01-392-0616
NSN 5835-00-411-0591