Delivering Fluid Sealing Solutions Since 1972

Unrivalled Technical Support

Over 40 years of engineering knowledge and development

35,000 Stock Lines

The UK’s largest stockist and distributor of fluid sealing products

International Distribution

Over 5,000 customers globally depend on our services

Total service guaranteed

Quality accredited inspection process

The UK’s Leading Independent Stockist, Manufacturer and Distributor of Fluid Sealing Products and Services

Founded in 1972, M Barnwell Services is a family business and prides itself on providing expert industry knowledge, technical expertise, products and services to over 5000 customers globally. They include established partnerships with the Worlds leading OEMs in Automotive, Agriculture, Construction and Compressor Pump and Valve. Our range of fluid sealing products include O Rings, Oil Seals, Rotary Shaft Seals, Hydraulic Seals, Hygienic (FDA) SealsPneumatic Seals, Gaskets, Fasteners, Sealing Kits, Shaft Repair KitsSpecial Rubber Mouldings, D Rings and many more.

We aim to work in partnership with you to reduce your supplier base, inventory and long-term costs. Applying our unique product knowledge to your specific needs, we will always offer the right sealing solution for your industry and application.

We have a selection of fluid sealing products available to buy online – Visit Our Shop

About Us Case Studies


Common Gas & Oil Seal Failure Causes

Why is Gas & Oil Seal Failure Quite Common? Only a number of engineering elements […]

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How important is FEA Simulation in Gas & Oil

FEA Simulation in Gas & Oil What is FEA Simulation Finite Element Analysis (FEA) is […]

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Storage & Shelf Life

Storage & Shelf Life Of An Elastomer – Tips and Recommendations How to calculate the […]

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Elastomer Testing & Analysis

Elastomer Testing & Analysis Prior To Assembly / After Failure M Barnwell Services uses a […]

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Defence Standard for Naval Ships & Submarines

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Sour Gas Resistant O Rings - What is Sour Gas and which elastomers are resistant to it? Check here -…