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Pneumatic Pilot-Operated Check Valves Built With Integrity

Maximizing Reliability • Improving Safety

A leading manufacturer of pilot-operated pneumatic check valves with both manual and pilot release capabilities

Aladco® is committed to manufacturing pneumatic check valves that are built to last. Our valves are designed to maximize reliability and safety. We strive to understand and fulfill our customers’ technical concerns. Each Aladco® pneumatic check valve is built with varying design and function to meet a variety of application needs.

Nu-Check® 3-Series, Single Check

The Nu-Check® valve, designed specifically for pneumatics, is a patented Aladco® product. It was the first check valve on the market with both manual and pilot release capabilities. The unique bubble-tight seal keeps devices in “checked” position.

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Dual-Check® 6-Series, Double Check

The Dual-Check® valve, designed specifically for pneumatics, is a patented Aladco® product. It is the only parallel check valve that can be manually overridden with a single override button or with an internally plumbed air pilot. The Dual-Check® is sealed and can be used in either sanitary or harsh/dirty environments.

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Clean-Check® 5-Series, Single Check

The Clean-Check® valve, designed specifically for pneumatics is a patented Aladco® product. It is a normally closed check valve that can be overridden manually or by air piloting to allow two-way flow.

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Equa-Check® 4-Series, Single Check

The Equa-Check® valve, designed specifically for pneumatics, is a patented Aladco® product. It has a normally engaged air pilot which creates an internal pressure balance between the IN pressure and the PILOT pressure, which makes it ideal for balancing and tensioning applications.

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Know What You Are Looking For?

Aladco® pilot-operated pneumatic check valves are only sold through authorized distributors, both nationally and internationally.  Aladco® has formed close partnerships with reliable, professional distributors who can assist with application and verify that all Aladco® orders are delivered on-time, correctly, and with care.  To ensure you receive the correct valves, please use the product model ordering information located on each pneumatic check valve page.

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Other Products

Aladco® manufactures grippers, clamps, and shim block assemblies on a per-order basis. If you are interested in purchasing any of our other products, please contact Aladco® at 262-544-5994.

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