Velocity4000; blade style 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 6105-00-134-0827
NSN 6110-01-167-7846
NSN 5855-00-014-5008
NSN 6220-01-358-9975
NSN 6620-00-226-2285
NSN 5910-01-074-1488
NSN 5910-01-059-7499
NSN 6105-01-479-8988
NSN 6620-00-948-6751
NSN 5925-01-234-8312
NSN 5945-01-249-0305
NSN 5950-00-001-9695