Fisher 685 Piston Actuator

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Fisher 685 Piston Actuator

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Brand:

Fisher

Product Code:

685

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.

Product Documentation/Technical Datasheet

fisher-685-piston-actuator-141524.pdf

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Details:

Fisher 685 series piston actuators provide medium to high thrust output for a variety of medium to very large Fisher sliding-stem valves, including the easy-e™, HP, EH, FB, and 461 valves.The double-acting design of the actuator results in stiff, precise positioning. Spring-return constructions are also available and offer a fail open or closed mode of operation when paired with a valve.

Features

Maximum thrusts of up to 354 kN (79,000 lbf) can be produced, depending on construction.Depending on size, strokes of up to 610 mm (24 in) are available.The double-acting construction allows for stiff, precise positioning.A side-mounted handwheel is available for all sizes except the size 28, which uses a hydraulic hand pump for manual override control.Internal bias spring constructions are available for applications requiring a mechanical fail mode.Low friction piston seals and cylinder coatings reduce sliding friction and wear.

Piston Actuator