Multi-turn gearboxes

 

Multi-turn gearboxes can be formed by combining multi-turn actuators SA ... with AUMA spur and bevel gearboxes to increase the torque or to reposition the output shaft. The gearboxes can of course also be used on manually operated valves.

OPEN-CLOSE or modulating duty

Class A: OPEN-CLOSE duty. The actuator is required to drive the valve through its entire travel from the fully open position to the fully closed position or vice versa.

Class B: Inching/positioning or positioning duty. The actuator is required to occasionally drive the valve to any position (fully open, intermediate and fully closed).

Class C:Modulation or modulating duty. The actuator is required to frequently drive the valve to any position between fully open and fully closed.

国产自在自线午夜精品,巨人精品福利官方导航,国产在线精品亚洲第一区