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The FlowAct pneumatic diaphragm actuator from Valtek is a high-thrust, multi-spring actuator for direct or reverse action — easy installation and field reversible without additional parts.

Valtek VL series spring cylinder linear actuators are powerful, compact, high-performance pneumatic actuators that provide solid throttling or on-off operation for automatic control valves. The positioner supplies air to both sides of the piston, providing stiff, precise movement and high-frequency response and quick stroke speeds.