The required opening and closing times should come from the process. Excessively fast motion can disturb flow or create pressure transients, while slow motion may fail the operating sequence.
Specify opening and closing separately
The two directions can have different loads and pneumatic paths. A spring-return stroke may behave differently from an air-powered stroke. State whether the requirement applies to normal operation, utility failure or a shutdown demand, and identify the measurement endpoints.
Review the fluid system
Rapid closure in a liquid line can create a pressure surge. The consequences depend on pipe length, velocity, fluid properties and the closure profile, not just nominal stroke time. A system transient review may be needed for sensitive duties. Changing a restrictor without that context can move the problem rather than solve it.
Test the assembled package
Solenoid capacity, tubing, regulator behavior and actuator volume influence actual travel time. A standalone actuator speed is not necessarily the installed result. Confirm the selected controls, supply pressure and test conditions. Record both endpoint indication and actual valve movement where required.
Practical checklist
- Normal and failure stroke-time requirements.
- Separate opening and closing criteria.
- Air-path capacity and supply conditions.
- System transient limits and final test method.
Discuss your application
Send the process conditions and required valve function for a configuration review. Request a technical quotation ↗