A mechanical device for the simultaneous control of the rotation and the admission of air or steam into a soot blower element.
NSN 5910-01-613-2920
NSN 6220-01-019-0505
NSN 5999-00-951-0707
NSN 5905-01-295-6892
NSN 5975-01-532-2582
NSN 4140-00-869-1435
NSN 6645-01-010-3746
NSN 5990-00-137-3971
NSN 6620-01-012-2852
NSN 5925-00-244-0711
NSN 6145-01-118-3901
NSN 5895-00-094-2508