Product Overview
A single-seat identity is not a capacity or leakage-class specification. The control valve must be checked against the minimum, normal and maximum operating cases, including the required shutoff condition. Confirm the actual model and trim rather than assuming all single-seat products on the site are interchangeable.
Selection and Ordering Notes
- Provide fluid properties, flow cases and the corresponding inlet and outlet conditions.
- Specify required shutoff acceptance and request the actual seat and trim details.
- Confirm body, stem, packing and seal materials for the complete service.
- Check flange and installation dimensions, pneumatic supply and command and feedback requirements.
Related information: Review other control-valve designs | Valve technical guidance | About Trekre.
Frequently Asked Questions
Will the single-seat valve control my minimum as well as my maximum flow?
Submit both flow conditions, the medium and the corresponding inlet and outlet pressures and temperatures. Request sizing for the selected trim; the single-seat description alone does not prove the required operating range.
What shutoff information should I include in the inquiry?
State the required shutoff conditions and acceptance criterion and request confirmation for the actual seat and trim arrangement. Do not assume a leakage class or tight-shutoff guarantee from the general product name.
Can the pneumatic valve connect to my existing control loop?
Provide the available air supply and the required command, feedback and failure response. Confirm the actuator and positioner package, installation dimensions and wiring or pneumatic diagrams before ordering.