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 5925-01-482-8353
NSN 5935-00-206-7217
NSN 5925-01-069-3443
NSN 5998-01-338-3508
NSN 6240-01-518-9445
NSN 5910-01-323-6139
NSN 5930-00-247-1530
NSN 5855-01-634-0259
NSN 5965-01-117-2566
NSN 6320-00-405-2348
NSN 5990-01-345-1468
NSN 5930-01-074-8414