 The Fabricated range of Rotolok Butterfly Dampers are used extensively in the air and dust handling industries generally in fan systems. They are normally operated remotely by air cylinders, electric or pneumatic actuators although manual versions through the customary hand lever, handwheel and reduction gearboxes can also be accommodated. | Slim Slide Valves | Fabricated Slide Valves | Rotoslides | Butterfly Dampers | 
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