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 5930-01-113-2511
NSN 5905-01-212-9475
NSN 5985-01-554-3177
NSN 6645-01-528-8424
NSN 6620-01-064-0366
NSN 4140-01-443-4123
NSN 6145-00-390-0755
NSN 6145-01-589-9721
NSN 6610-01-087-7718
NSN 5895-01-363-3140
NSN 6685-01-603-0844
NSN 6130-00-265-0692