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Valve seats and inserts

Devlon materials are widely specified for use in valve seats and inserts by manufacturers and are approved by major oil and gas producers. We also offer a full range of valve seats in other materials.

Thermoplastic valve seats


Valve seats and inserts are crucial for operational integrity in harsh environments. Our products leverage advanced engineered thermoplastics for superior durability and chemical resistance. Their design ensures tight sealing, minimal leakage, and reduced maintenance, tailored for industries like oil and gas, and chemical processing.

To address today's industrial challenges, our valve seats are designed to improve flow control and energy efficiency, extending service life and promoting sustainability by reducing waste and lowering energy use.


Our valve seat material solution


Devlon V-API was developed by James Walker in close cooperation with the valve industry as the answer to the search for superior valve seat materials.

Specifically formulated to provide enhanced performance across a wide temperature and pressure range, Devlon V-API is now widely specified by valve manufacturers and has rapidly gained approval for use by major oil and gas producers. Devlon V-API is a proprietary formula developed by James Walker, which includes additives that allow the material to perform at higher pressures and temperatures than the majority of soft valve seat materials, providing a cost effective solution with superior performance.

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Devlon® V-API

Designed specifically for valve and offshore applications.

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Devlon® V-API

Positive Material Identification

In safety critical applications such as valves, it is vital that the material specified is the material used. Devlon with Positive Material Identification Technology gives manufacturers and end users the peace of mind that they are using genuine Devlon polymer, particularly significant in an industry where increased occurrences of counterfeiting are an unfortunate and unwelcome reality.

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Positive Material Identification

Expert to Expert

Want to discuss your project, engineering or materials challenge expert to expert? Simply provide us with your contact details and a little information about the application you are working on, and one of our experts will contact you as soon as possible.

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