OpTK™ Linear Piston-Cylinder Actuator

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The Optimux OpTK Linear Piston-Cylinder actuator is a powerful, high-performance pneumatic actuator that provides positive throttling or on-off operation for automatic control valves. The cylinders are double acting and designed for instrument air supply pressures of up to 150 psi – allowing the OpTK to generate a lot of thrust from a compact footprint.

This actuator is fully field reversible for air-to-open or air-to-close action without additional parts; a spring provides fail-safe operation. The positioner supplies air to both sides of the piston, providing exceptionally stiff, precise movement together with very high frequency response.

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Actuator Type


Base Valve Type

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Air Supply (PSI)

Piston Size (inch squared)

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Actuator Materials


Failure Position

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Actuator Options

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Technical Library

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