A normally open valve which permits the passage of air or gases in both directions but prevents the passage of liquids in one direction. The action is controlled by a buoyant flow control device which rises against its seat when liquids are present therein.
NSN 6320-01-578-6006
NSN 6240-01-514-4184
NSN 6105-01-298-5592
NSN 6610-01-300-4537
NSN 5895-00-149-7905
NSN 5975-01-497-7710
NSN 6320-00-831-2227
NSN 5895-00-773-2926
NSN 5990-01-168-6797
NSN 5935-01-145-2194
NSN 6130-01-605-2047
NSN 6135-01-392-8344