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 6240-00-295-2729
NSN 5895-00-851-3345
NSN 6105-01-063-7704
NSN 6610-00-433-8700
NSN 6685-00-233-6563
NSN 5925-01-204-8770
NSN 5999-01-627-6335
NSN 6620-00-854-0961
NSN 6150-01-327-3199
NSN 5855-01-630-8608
NSN 5915-00-008-7148
NSN 4140-00-770-1052