Delivering Fluid Sealing Solutions Since 1972

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2024 Easter Competition Winners

Easter at M Barnwell Service

Winners of the “How many Circlips are in the jar?” Easter Competition 2024 Firstly, we would like to say BIG THANK YOU to everyone who participated in our free-to-enter Easter competition! Our very special CONGRATULATIONS go to 3 lucky winners: Geraint from Caerphilly – Winner of the Cadbury Ultimate Chocolate Basket Ashley from Stirlingshire– Winner of the Cadbury Ultimate Chocolate […]

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Easter Competition 2024

How many Circlips are in the Jar?

“How many Circlips are in the jar?” Competition 2024 Take part in M Barnwell Services’ Easter Competition 2024 “How many Circlips are in the jar?” and win one of three fantastic Cadbury’s Chocolate prizes – CADBURY ULTIMATE CHOCOLATE BASKET, CADBURY CHOCOLATE SHARING HAMPER, or CADBURY CLASSIC CHOCOLATE GIFT. To be in with the chance to win one of the 3 […]

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What is a Nominal Size?

Nominal Size O Rings

Understanding Nominal Seals and Gaskets In manufacturing, a nominal size is primarily for identification rather than reflecting exact product dimensions, often corresponding to standardised measurements and tolerances within the product’s domain. These nominal sizes can either be widely standardised across an industry or unique to a particular manufacturer. To apply nominal sizes effectively, one must understand the sizing systems in […]

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Vintage Seals for a BPH 106H Swift bus

M Barnwell Services supplies vintage seals for the restoration of a BPH 106H Swift Bus. M Barnwell Services, the UK’s largest independent manufacturer, stockist, and distributor of O Rings and Back-Up Rings, are proud to offer vintage Pneumatic seals for the restoration of a BPH 106H Swift Bus. With our ability to provide bespoke Pneumatic Seals, M Barnwell’s sales team was […]

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How to use an O Ring Tester

What is the purpose of an O Ring Tester? The O Ring Tester is a device used to approximately advise the shore hardness of  Viton™ (or FKM/FPM), Kalrez® or other Perfluoroelastomer (FFKM), Nitrile (NBR) or Ethylene Propylene (EPDM). It indicates the material composition of 100, 200, 300 and 400 series O-rings of 60 to 80 Durometer. Furthermore, O Ring Testers also: […]

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M Barnwell Services World Cup Chart

World Cup Wall Chart

Celebrate the World Cup with M Barnwell Services! At M Barnwell Services we have created a World Cup Wall Chart so you can follow the tournament along with us! Download your free Wall Chart here.

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Oil & Gas Industry Acronyms

Oil & Gas Acronym

The Complete Guide To Oil & Gas Industry Acronyms Learning a new language is not easy, and there is unfortunately no quick fix for learning Oil and Gas acronyms. On some occasions, use of these abbreviations often form part of a wider discussions when finding fluid sealing solutions. Improper use of acronyms can be confusing at best and embarrassing at […]

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Pharmaceutical Industry CIP SIP Technologies

CIP SIP Technologies = CIP (Clean-In-Place), SIP (Steam-In-Place) CIP and SIP cleaning processes date back to the 1950s and were originally used in the food and dairy industries. Cleaning with disassembly of the equipment when changing media proved to be extremely complicated, cost-intensive, and time-consuming, so processes for cleaning in closed systems were developed. CIP and SIP processes are also […]

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Platinum Jubilee

This week we celebrate the historic milestone of Her Majesty The Queen becoming the first British Monarch to celebrate a Platinum Jubilee, marking 70 years of service with an extended bank holiday! This is how our Scottish branch are celebrating… From everyone at M Barnwell Services we wish you and your family a very happy and pleasant Platinum Jubilee weekend.

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A Family Announcement

A Family Announcement It is with profound sadness and heavy hearts that we regret to inform you of the passing of our father, founder, and leader, Michael Ronald Barnwell, on Thursday 14th April 2022. Mike died peacefully following a short illness. We, the family, and all within Barnwell are truly devastated by his death; he has left an unimaginably huge […]

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