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Keystone F89C Pneumatic QuarterTurn Actuator
The F89C addresses the specific requirements for automated quarter-turn valves in the chemical industry on top of the reliability and low maintenance cost offered
Features
Valve connection compatible with ISO 5211, including spigot plate for alignment.
Double Rack and Pinion design nullifies side loads on the pinion shaft, minimizing bearing wear and extending life.
Optimized product flow with standard mounted travel stops for valve position adjustment in open and close position (+/- 5° at each end).
Anodized aluminium body with electrostatic powder coating (ESPC) finish provides durable protection against corrosive environments.
Double acting and spring return versions available for cost effective and safe operation.
Up to 12 individual springs offer flexible torque range for both ball as butterfly valves.
Pre-compressed spring design and anti-blowout travel stops and drive pinion provide safe maintenance and operation.
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