Kinetrol Steadyline series are precision valve actuator

Water hammer occurs when a pipe’s fluid flow changes rapidly. The effect may be high pipe pressures, mechanical stress on pipe structures, and potential flow reversal. If not controlled, it can cause pipe bursting, pipe breaking, and joint leakage. Vane actuators open and close valves and can be tightly controlled with regards to opening and closing speeds. The Kinetrol Steadyline series are precision valve actuators with built-in damping devices providing a smooth resistance to shaft rotation which increases with angular velocity. The Kinetrol Steadyline product smooths out the normal travel, dampens any valve-flow induced disc oscillations, and provides a minimum user-specified amount of travel time on power failure. 
A water treatment facility pump station was having recurring problems with a large hydraulic actuator that was very cumbersome and expensive to maintain. The well-engineered solution was a Kinetrol Size 14 Steadyline double acting actuator with digital speed controllers installed on 12” Pratt butterfly valves. The result: better performance, reduced downtime, lower cost of operation.
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