- Model EV Series - Compact Electric Valve Actuators



The Assured Automation V4 Series electric actuators offer a simple and cost effective solution for your valve automation needs. For use on quarter turn (90°) ball valves 1/4' to 1' in size. This compact industrial unit has external wire leads eliminating the need to open the unit (for on/off units - modulating units have an internal terminal strip).

  • Captive cover bolt. Prevents loss when cover is removed for adjustments
  • Manual override. Stainless Steel with wrench flats for easy manual operation
  • Fine adjust cams allowing 90° to 270° operation
  • External wire leads
  • NEMA-4/4X housing design for superior corrosion resistance
  • Ball bearing support providing greater reliability
  • Heavy duty PSC motor with automatically re-setting thermal protector to prevent overheating
  • High strength gears designed to AGMA standards and able to withstand stall torque conditions
  • 15 A SPDT switches
  • Permanently lubricated gear train
  • ISO 5211 mounting pad
  • 1/2' conduit entry
  • Actuator Made in the USA

  • Modulating control board with digital calibration
  • Extra switches
  • 3-position setup to close the valve to a slower flow rate, allowing top off
  • Terminal strips to provide a termination point inside of the housing
  • On-board relays, feedback sensors and timers
  • Heavy duty brake
  • Position indicator
  • Heater and thermostat to prevent condensation buildup and corrosion
  • Sealed leads to prevent moisture ingress
  • Battery backup
  • Control boxes for specific and custom functions


  • Housing Cover: Epoxy coated aluminum
  • Main External Shaft: Stainless Steel
  • Gears: Steel
  • Indicator: Glass Filled Polyamide

ISO 5211 Direct Mount Drilling

  • F03 / F05
  • 14 mm female drive shaft connection

Electrical Connection

  • 1/2' NPT conduit entry
  • on/off units have wire leads
  • modulating units have internal terminal strip

Temperature Range:

  • 0°F to 160°F
  • -40°F to 160°F (with optional heater)

Weatherproof Enclosure Rating:

  • NEMA 4/4x

Electric Motor:

  • Single Phase

Duty Cycle:

  • 125 in/lbs. AC: 75%
  • 300 in/lbs. AC: 25% or 75%
  • All DC: 100%

Thermostat Controlled Heater:(optional)

  • 3.5 W

  • Ball valves up to 3'

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