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, UK Manufactured Seals, 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


What is PPAP

What is PPAP? M Barnwell Services provide ISIR (Initial Sample Inspection Report) and PPAP on […]

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Fortnum & Mason Christmas Hamper Competition
Christmas Competition 2021

Find the Santa – WIN a Hamper! M Barnwell Services are giving you the chance […]

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Heritage Seals
Heritage Seals

M Barnwell Services Heritage Seals for WW2 Tank Restoration M Barnwell Services, the UK’s leading […]

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O Ring Non-Circular Groove
Can O-Rings be used in Non-Circular Groove Patterns?

O Rings To Fit In Non-Circular Grooves Contrary to popular belief, O-Rings can be used […]

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Extreme Seals

Hi/Low Temps, AD / RGD Resistance Seals, Sour Gas (H2S) Seals, Plus Others


Twitter News Feed

It’s that time again! “Find a Santa – WIN a Hamper” Christmas Competition 2021. We are giving you the chance to win…