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 5910-01-287-3841
NSN 2925-00-749-8893
NSN 6685-01-423-8076
NSN 5835-01-141-8823
NSN 5895-00-490-5988
NSN 5925-01-417-5445
NSN 5985-01-367-5994
NSN 6145-00-107-7913
NSN 6105-01-192-0532
NSN 6645-00-300-6459
NSN 5905-00-709-0601
NSN 6130-01-418-0786