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 5985-01-177-6538
NSN 5985-01-509-8512
NSN 5915-00-003-3569
NSN 6240-01-171-0374
NSN 4140-00-383-8230
NSN 6610-01-103-4627
NSN 6130-01-259-6082
NSN 5835-01-033-5185
NSN 6645-00-515-6148
NSN 6650-01-050-8680
NSN 7035-01-106-3476
NSN 6135-01-495-0933