HKC's valve position monitors provides accurate and reliable valve position monitoring. Their APL-series limit switch boxes are designed for quarter turn valve applications (0° to 90°). HKC's declutchable gear override is designed and developed for small size valve automation to provide manual override capabilities in the event of an air supply failure. The sandwich mounts between a pneumatic actuator and a ball, butterfly, plug, or damper valve.
Declutchable Gear Override Features 
  • Small, light, compact and high torque output design
  • Mounting base standard to ISO 5211
  • Solid & tight sealing with o-ring system giving weatherproof (IP67)
  • Self-lubricated worm shaft guide provides high reliability & stability
  • Block and bleed valve to exhaust air
Valve Position Monitor Features 
  • Aluminum die-casting housing and powder coating
  • Bolts on visual position indicator
  • Spring loaded splined cam
  • Dual cable entries
  • Captive cover bolts
  • NAMUR standard stainless steel shaft and bracket
Declutchable Gear Overrides
Valve Position Monitors