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industrial duty electric valve actuator


K4 Series Industrial Duty Electric Actuators

The K Series is a compact industrial duty quarter turn electric actuator specifically designed for ball and butterfly valves. The K Series incorporates a self locking gear train, NEMA-4/4X weatherproof enclosure, visual position indicator, manual override and ISO 5211 mounting pad. The actuator is available in 120 VAC and 24 VDC with a complete line of accessories available.


Electric Actuator on Various Valves

K4 Series Electric Actuator on various valves

Features & Benefits

  • 90° travel (adjustable between 20° and 95°)
  • Working torques of 174 in./lbs. to 8680 in./lbs.
  • Duty cycle of 50% to 100%
  • Weatherproof enclosure to NEMA-4/4X standard. (UL certified)
  • Internal wire terminals
  • Built-in auto reset thermal protector
  • Motor Class F insulation to 311°F
  • Ball bearing construction
  • Manual override (via detatchable crank handle)
  • Visual position indicator
  • Maximum working noise of 73 dB
  • ISO 5211 mounting pad
  • Full line of accessories including positioners, extra limit switches, potentiometer feedback, and speed control

Typical Applications

  • Quarter-turn Ball & Butterfly Valves


  • 4-20mA modulating positioner
    (0-10VDC available as special order)


  • Housing: ADC-12: Diecast Aluminum alloy
  • Base: Diecast Zinc Alloy
  • Base Finish: Powder Coated Epoxy
ISO 5211 Direct Mount Connections
  • UNIC10: F05/F07
  • UNIC20: F07/F10
  • UNIC60: F10/F12
  • UNIC100: F10/F12
  • Female drive shaft connection
Electrical Connection
  • Internal wiring terminal
  • 1/2" NPT conduit entry with cable gland
Temperature Range:
  • -4°F to 131°F
Enclosure Rating:
  • NEMA 4/4X weatherproof
Duty Cycle:
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