KEYSTONE PNEUMATIC QUARTER-TURN ACTUATOR
FEATURES
• 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.
