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 includes O Rings, Oil Seals, Rotary Shaft Seals, Cartridge Seals, Hydraulic Seals, Hygienic (FDA) Seals, Specialist Hygienic Seals: Garlock’s Gylon Bio Line, Pneumatic 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


Seals For The World

The Sun Never Sets On A Barnwell Seal In August the M Barnwell Services Export […]

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Wet Chemical Process

Semiconductor Manufacturing – Wet Chemical Process Electro or Electroless Chemical Deposition Despite the fact that […]

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KTW certification
KTW certification

What is KTW certification? Drinking water is one of the most controlled food products. The […]

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Ozone damage of O Rings

Ozone Rubber Deterioration O Rings are amongst the most commonly used seals. They come in […]

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Cartridge Seals

All-in-one seals that provide simple sealing solutions and ease of installation.

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Scuba diving seals for Ascension Island... Our most remotest delivery ever