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Oil & gas upstream

From exploration and production in the deepest offshore fields to the harshest arctic or desert conditions on‑shore, our product ranges have been developed to improve operational safety and efficiency.

Our high performance fluoroelastomer (FKM), hydrogenated nitrile (HNBR) and aflas based (FEPM) elastomers are specified worldwide by OEMs and end users who need top quality materials that are validated and proven to operate under extreme conditions including rapid gas decompression, chemical attack and extremes of temperature.

Elastomers for oil & gas applications

These products form the core of our oil and gas industry ranges.

Our high pressure sealing components range from O-rings in a vast range of materials, to specialised spring seal, FS seal and metal endcap designs developed for dynamic or static duties on down-hole, wellhead, surface equipment, valves, pipelines and riser systems.

Products for oil & gas applications

Dedicated to the precision manufacturing of high-performance metallic components for primary seal use in the most demanding applications. Our machine centre specialises in the high-precision machining of geometrically complex components in exotic alloys.

Custom metal seals for critical applications

Manufactured under API licence, these metal seals conform to both ASME and API standards. Products include R, RX and BX ring joints, as well as lens, convex, wedge, double-cone and weld ring metal gaskets.

Quality assured metallic seals and gaskets

Our Devlon materials are amongst the toughest and hardest-wearing thermoplastics - ideal for manufacturing components such as valve seats, ROV buckets, pipe centralisers, riser and umbilical clamps. By monomer casting and machining to exacting specifications, we produce complex components from 10mm to over 2500mm OD, and weighing up to 1000kg.

Engineered thermoplastic materials and products

RotaBolt stud and bolt tension monitoring systems. RotaBolt accurately measure tension so that it can be correctly achieved, maintained and monitored. These are used where the failure of a bolted system could have serious health and safety, environmental or financial consequences. RotaBolt tension monitoring with visual, tactile or wireless monitoring options is utilised for critical structures and flanges within upstream applications.

Load indicating fasteners

Our technology


Whilst a decision on the proposed PFAS regulation, and the likely timeline for implementation, are still being considered by the ECHA, James Walker is proactively looking at, and qualifying, alternative materials and working with its suppliers to ensure sealing materials are available that will offer the required levels of performance and be compliant with any proposed regulations.

Find out more

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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