Keystone F89 Pneumatic Quarter-turn Actuator

Keystone F89 Pneumatic Quarter-turn Actuator

Keystone™ F89 is a compact, reliable and low operation costs for all types of quarter-turn valves. Pre-compressed spring design and anti-blowout drive pinion means safe maintenance and operation.

Any questions?

Joonas Jägerroos
Service Technician
Mob. 040 610 4439

Joonas.Jagerroos@askalon.fi

Tommi Penttilä
Sales Manager Isolation Valves
Phone. 0207 416 208

Tommi.Penttila@askalon.fi

  • Direct mounting to all Keystone butterfly valves and ball valves.
  • Valve connection compatible with Keystone (imperial and metric) and ISO 5211.
  • 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 drive pinion means safe maintenance and operation.

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