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 5855-01-020-7982
NSN 5965-01-650-1764
NSN 5950-00-838-6875
NSN 2925-01-209-9245
NSN 6105-01-277-1269
NSN 6685-00-480-9200
NSN 6150-00-951-8700
NSN 5910-01-463-3154
NSN 6220-00-232-9706
NSN 5945-01-174-9174
NSN 6620-01-383-7519
NSN 6620-00-621-6951