Velocity-5500; blade styl-round butterfly
A motor actuated device used to maintain an (adjustable) constant pressure difference between two rooms in a ship or between one room and outdoors. for spring loaded device see control unit, air pressure, spring loaded (66597).
NSN 5935-01-396-6942
NSN 6685-00-335-0207
NSN 2925-00-233-5644
NSN 6110-01-400-4207
NSN 5935-01-457-9379
NSN 5965-01-180-7070
NSN 6240-00-691-1397
NSN 5985-00-797-0892
NSN 5835-01-023-0511
NSN 6610-00-732-2488
NSN 6150-00-509-3650
NSN 6220-00-527-1177