Delivering Fluid Sealing Solutions Since 1972

Precision Sealing Solutions

Precision Sealing Products for the Medical Industry

M Barnwell Services is one of the UK’s largest stockist, manufacturer and distributors of Precision Sealing products for the Medical industry. For over 45 years our customers benefit from technical expertise and industry knowledge. Together with our manufacturing partners, we continue to develop industry-leading performance on all our products and deliver within short lead times (if not in stock).

O Rings – £3million stock holding

M Barnwell Services holds the UK’s largest stock of O Rings. Available in many materials including Nitrile (NBR)Hydrogenated Nitrile (HNBR)Viton™ (or FKM/FPM), Silicone (VMQ)Polytetrafluoroethylene (PTFE) Fluorosilicone (FVMQ) and specialist Perfluoroelastomer (FFKM). Depending on your application our range of elastomeric material allow sealing of all liquids and gas media whilst also having a rigorous defence in the sterilization process.

All O Rings are for static and dynamic applications and can be measured to imperial (BS1806, ISO 3601) and metric (BS4518) sizes, shore hardness and to a range of International, National and industry specifications, grades and approvals.

Visit the O Ring page for further detailed information.

Spring Seals / Spring Energised Seals

M Barnwell Services provide a spring energised sealing solution for static, rotary and reciprocating applications. The jacket seals against the malting surface and is energized by a spring.

Spring Seals are manufactured in various standard (BS1806, ISO 3601 andBS4518) or non-standard sizes allowing them to be retrofitted into existing O Ring grooves.

For more information on the range visit the Spring Seals Page

Diaphragms – Comprehensive design components for pressure gauges

Medical applications, particularly in low-pressure valves use rolling and flat diaphragm seals.

Diaphragm Seals are certified to FDAEC1935/2004 & EC2023/2006 European Regulations,  KTW, USP Class VI, UL157, NSF 51, 3A (Sanitary), ACS, and DVGW grades.

For more information visit the Diaphragm Seals page.

Gaskets and Hygienic Seals with Full documentation

M Barnwell Services is one of the UK’s largest stockist and distributors of Hygienic Seals. We provide expert industry knowledge and we will always offer the right sealing solution for your Medical application.

Over 40 hygienic grades include:

Visit the Hygienic Seals page for specific FDA / Hygienic products.

To find out more about how M Barnwell Services can assist with your Precision Sealing needs, please contact our specialist team.

Information on other Medical Seals:

E & OE.  M Barnwell Services endeavour to make sure that all content is correct. Manufacturing partners assisted with the creation of this page.