The chromatographic valves you need!

Upgrade Your Rotary Valves Without Changing Your System Design
Upgrade your GC performance with our patented PLSV valve technology, designed to improve UHP gas analysis and all other applications. There’s no mechanical work required! Our drop-in replacement valves can be mounted directly on an existing pneumatic rotary actuator.
Discover the drop-in replacementPerfect to improve performance and reliability of all your applications
What More Could You Ask For?

We offer a wide range of actuators, including pneumatic, electrical, multi-position, and manual options. All are designed for extended lifetimes.
We offer a comprehensive line of standoff from 2″ up to 6″ for applications that require a separated actuator from the valve body.
Agilent Compatible Valve Box Kit
With this box, you will be able to adapt your Agilent GC and connect the valve directly to the Agilent actuator.
Count on our tubes and fittings for leak integrity, surface finish, minimal dead volumes, and durability in GC.
Our Technologies Are Nothing Less Than a Revolution.

Our people keep pushing the boundaries to create better, smarter, and more cost-efficient designs
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No matter your location, count on us for assistance. Our team is eager to help you out.