BVAA Member Directory

M Barnwell Services – Your Trusted Partner in Fluid Sealing Solutions

With over 50 years of experience, M Barnwell Services is the UK’s leading independent stockist, manufacturer, and distributor of high-performance fluid sealing solutions. Established in 1972, we supply over 5,000 global customers across 70 countries, including leading Valve, Actuator and Pump manufacturers specialising in all Processing Industries such as Oil and Gas, Water, Power Generation, Food, Pharmaceutical, Beverage, Semi-Conductor and Chemical Processing.

We provide quality assured sealing solutions for all valve types, including Ball, Butterfly, Control, Check, Diaphragm, Gate, Pressure Relief, Double Seal, Double Seat, Regulating, and Safety valves. Our products are available in a wide range of industry-compliant materials, including FDA/EC1935/EC2023, USP & 3-A, WRC/WRAS, ACS, NSF, KIWA, KTW, DVGW, UBA and EN681-1/EN549/EN682, NORSOK, TOTAL, SHELL, NACE, API 6A.

Our extensive product range includes FFKM/FKM O Rings, Mechanical Seals, PTFE Components, Gaskets, Graphite and Gland Packings, Rotary Seals, Extrusions/Profiles, Fasteners & Springs, and Custom Moulded Components, all engineered for high-pressure, high-temperature, high speed and aggressive media environments.

Specialist services include 24Hr Sealmaker for low volume and prototypes, Cleanroom facility, Kitting and Packaging, Reverse Engineering, Oxygen Clean

We guide every stage of production, from prototyping and testing to final part manufacture, ensuring full batch traceability and providing all necessary documentation. Our expertise helps OEMs streamline supply chains, reduce inventory, and lower total cost of ownership.

For more information or to discuss your specific sealing requirements, contact M Barnwell Services today and let us provide the right solution for your needs.