ICI's Actuator & Valve Industry Blog

24 Steps to Size Up an Electric Actuator for a Gate Valve Application

Posted on Fri, Nov 08, 2013

Picking the right Electric Actuator for a valve is not that easy. Industry buyers ask yourselves these 24 questions before choosing your valve automation solution. 

Choose Indelac Controls Electric Actuator

1. ARE THERE LEAD TIME REQUIREMENTS?

2. WHAT IS THE BREAKAWAY TORQUE OF THE GATE VALVE?

3. WHAT IS THE DELTA P ACROSS THE VALVE?

4. DOES THE ACTUATOR NEED TORQUE SENSORS?

5. DOES THE ACTUATOR NEED A MANUAL OVERRIDE?

6. WHAT NEMA RATING WILL BE REQUIRED FOR THE ACTUATOR ENCLOSURE?

7. DOES THE ACTUATOR NEED TO BE ANODIZED FOR ENHANCED CORROSION RESISTANCE?

8. WHAT TYPE OF POWER SUPPLY WILL BE AVAILABLE FOR THE ACTUATOR TO OPERATE FROM? (VOLTS, HZ)

9. HOW FREQUENTLY THE ACTUATOR WILL BE OPERATED DAILY?

10. HOW FAST WILL THE VALVE NEED TO OPEN/CLOSE?

11. HOW MANY REVOLUTIONS DOES THE VALVE REQUIRE FROM FULL OPEN TO FULL CLOSE?

12. DOES THE VALVE HAVE A RISING STEM? IF YES, WHAT IS THE RISE? ALSO, WHAT ACME THREAD IS ON THE NUT?

13. DOES THE ACTUATOR REQUIRE A BRAKE OPTION?

14. WHAT IS THE AMBIENT TEMPERATURE RANGE OF THE ENVIRONMENT IN WHICH THE ACTUATOR WILL BE OPERATING?

15. WHAT IS THE AMBIENT HUMIDITY RANGE OF THE ENVIRONMENT IN WHICH THE ACTUATOR WILL BE OPERATING?

Pick Indelac Controls Electric Actuator

16. WILL THE ACTUATOR BE REQUIRED TO HAVE A BATTERY BACK-UP SYSTEM?

17. WHAT WILL THE CONTROL METHOD BE FOR THIS ACTUATOR? (OPEN/CLOSE, MODULATING, THROTTLING, ETC…)

18. WHAT ARE THE EXACT TOP MOUNTING DIMENSIONS?

19. DO WE NEED TO SUPPLY A BRACKET FOR MOUNTING? 

20. DOES THE ACTUATOR NEED POSITION INDICATION? (VISUAL, ELECTRICAL, DRY CONTACT SWITCHES)

21. IF THIS IS A MODULATING APPLICATION, UPON LOSS OF CONTROL SIGNAL, SHOULD THE ACTUATOR FAIL IN LAST POSITION?

22. IF THIS IS A MODULATING APPLICATION, IS HIGH RESOLUTION REQUIRED?

23. IF THIS IS A MODULATING APPLICATION, WILL THE ACTUATOR NEED AN ADDITIONAL CONDUIT ENTRY?

24. DOES THE APPLICATION REQUIRE A CONTROL PANEL?

 

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