This pneumatic actuator handwheel features an ISO5211 square bottom connection and provides essential manual override capabilities for emergency operation during power loss situations.

• Manual override safety feature for power loss scenarios
• Standard ISO 5211 mounting dimensions on top and bottom flanges
• Transparent to valve operation when disengaged
• Suitable for double acting or spring return actuators
• One-handed declutch mechanism for easy operation
• Declutch locks in both engaged and disengaged positions
• Optional locking device available for manual overrides

Standard worm gears can be configured to fit almost any partial-turn or multi-turn valve, including ball valves and butterfly valves. Worm gear operators create mechanical torque advantage, reducing work effort and cycle turns required for valve operation.

Comprehensive quality control system ensures all products meet client requirements through incoming, final, and out-going inspections. 18-month warranty period from contract date with lifetime technical support.