Electric Actuator Accessories

• Auxilliary Limit Switches
  • Extra limit switches within the control housing to indicate various valve positions remotely, or to stop the valve at intermediate positions, or to control other pieces of equipment, such as pumps.
    
    
• NEMA 4, 4X, 7 & 9
  • Various NEMA ratings available to meet specific environmental requirements; watertight, corrosion resistant, or explosionproof. Special housings for high pressure washdown also available.
    
    
• Timer
  • Adjustable time intervals and length of time open and/or closed.
    
    
• Modulating Controls
  • Accepts a 4 - 20 m.A. , 0 - 5 VDC , or 0 - 10 VDC control signal to position the valve at various degrees of open/close.
    
    
• Continuous Position Indication
  • Gives a continuous remote indication of the degrees or percent of opening based on either a resistance output of 0 - 1000 ohms or a current output of 4 - 20 m.A. Other options available.
    
    
• Fail-Safe Backup
  • Battery backup system that allows normal operation of actuator with 120 Volt AC but converts battery DC to AC upon incoming AC power failure.
    
    
• Spring-return Fail-safe
  • Fail-safe spring back up system within the electric actuator takes over upon loss of AC power.

DynaQuip Controls can provide actuators and hardware to automate existing valves of other brands and manufacturers. Contact DynaQuip Controls or your local Dynaquip distributor and allow us to help solve your automation problems.