Key Differences Between Electric and Pneumatic Valves|Choose Smart, Act Fast
In industrial automation systems, electric and pneumatic valves are widely used actuators for controlling flow remotely. While they share similar control functions, their operating principles, performance characteristics, and suitable applications differ significantly.
This guide walks you through the core distinctions, helping you make confident choices for your projects.
Different Driving Mechanisms
Electric Valve: Operated via electrical signals, commonly using AC220V, AC110V, or DC24V. Ideal for areas with stable power supply.
Pneumatic Valve: Powered by compressed air, making it suitable for environments where quick action and existing air systems are common.
Selection Tip: If no air source is available, go electric. If rapid actuation is needed, pneumatic is your friend.
Response Speed and Control Accuracy
Pneumatic valves offer faster response times, perfect for frequent switching operations
Maintenance and Cost Overview
Feature | Electric Valve | Pneumatic Valve |
---|---|---|
Installation Ease | High (no air supply) | Moderate (requires air) |
Maintenance Level | Low | Higher (air system upkeep) |
Initial Investment | Higher | Moderate |
Operating Costs | Lower (electric use) | Higher (air compression) |
Application Scenarios
Electric Valves: Chemical plants, HVAC systems, building automation.
Pneumatic Valves: Food & beverage, pharmaceuticals, explosion-risk areas (no electrical sparks).
Safety Note: For hazardous environments, pneumatic valves reduce risk of spark-related incidents.
How Covna Supports Your Selection
Covna offers a wide range of electric and pneumatic valves, including ball, butterfly, and gate types—with custom options to meet your specific needs.