A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 4140-01-510-1522
NSN 5990-01-212-2037
NSN 7035-00-631-3782
NSN 5835-01-522-9881
NSN 5990-01-581-5103
NSN 6135-00-728-9860
NSN 5895-01-322-0072
NSN 6620-00-035-5813
NSN 6135-01-186-4010
NSN 5855-00-466-2309
NSN 5920-01-235-6477
NSN 6685-01-412-0767