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 5910-00-221-7982
NSN 7035-00-679-9027
NSN 5835-01-592-2350
NSN 5905-01-494-6366
NSN 7035-00-205-8739
NSN 6610-01-576-8955
NSN 5996-00-655-2670
NSN 5835-00-978-9806
NSN 6145-01-258-5828
NSN 6685-01-329-2929
NSN 6130-00-144-8018
NSN 5999-01-401-5322