Electric Valve Actuators: Working Principle, Types and Troubleshooting
Learn the electric valve actuator working principle, compare motion and control types, and use a fault checklist to prepare your application enquiry.
Read Article
SHE / VALVE AUTOMATION
Valve Actuator Selection Guides
Practical starting points for valve actuator sizing, drive selection and control mode. Prepare a clearer specification before requesting a quote.
KNOWLEDGE & SELECTION
Insights for your next decision.
Explore practical articles and selection guides for valve actuation, sizing and control.
7 articles and guides
Electric Actuator Hunting: Six Causes and How to Diagnose Them
Electric actuator hunting can come from signal noise, PID tuning, valve gain or mechanical faults. Use this checklist to record symptoms and plan the check.
Read Article
Double-Acting vs Spring-Return Actuators: Specify the Failure Response
Compare double-acting and spring-return actuators, define loss-of-air, power and signal responses, and prepare a complete pneumatic valve enquiry.
Read Article
Actuated Ball Valve vs Butterfly Valve: A Selection Checklist
Compare actuated ball and butterfly valves by duty, materials, connections and actuator requirements. Use the checklist to prepare your valve enquiry.
Read ArticleOn-Off vs Modulating Valve Control
Understand isolation, intermediate positioning and modulating duty before choosing an actuator and valve control configuration.
Read ArticleElectric vs Pneumatic Valve Actuators
Compare electric and pneumatic valve actuation by energy supply, control requirements, installation and failure behaviour.
Read Article
How to Size a Valve Actuator
Use this valve actuator sizing checklist to record torque, thrust, duty, supply and mounting data. Complete the worksheet and send SHE your requirements.
Read ArticleNeed a datasheet or drawing?
Documentation depends on the proposed configuration. Include the product type, known model information and the documents you need: dimensions, wiring, operating instructions or certification coverage. Generic product photographs do not replace the selected unit’s documentation.
Request Product Documentation