Delivering Fluid Sealing Solutions Since 1972

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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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Christmas Jumper Day 2021

Save The Children On Friday 10th December 2021 M Barnwell Services’ employees wore their Christmas Jumpers to raise money for the charity Save The Children. Can you spot any of your favourite Sales Representatives below? For more information about this charity and to take part next year visit their website:

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Merry Christmas & Happy New Year 2021

M Barnwell Services would like to wish you and your families a very Merry Christmas and a Happy New Year! OUR CHRISTMAS OPENING TIMES ARE: Monday 21st December 2020 – OPEN Tuesday 22nd December 2020 – OPEN Wednesday 23rd December 2020 – OPEN Thursday 24th December 2020 – CLOSED Friday 25th December 2020 – CLOSED OUR NEW YEAR OPENING TIMES […]

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Covid-19 Update

covid-19-update barnwell

Coronavirus (COVID 19) Update From M R Barnwell To our valued customers, With the rapid changes we are seeing both locally and globally, we wanted to take the time to send an update on what that currently means for M Barnwell Services Ltd and for you. We are operating as a supplier of essential products to critical industries exempting us […]

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Merry Christmas & Happy New Year 2020

Christmas Card Idea 4

Everyone at M Barnwell Services would like to wish you and your family a very Merry Christmas and a Happy New Year 2020!     CHRISTMAS OPENING TIMES Monday 23rd December 2019 – OPEN Tuesday 24th December 2019 – CLOSED Wednesday 25th December 2019 – CLOSED Thursday 26th December 2019- CLOSED Friday 27th December 2019 – OPEN   NEW YEAR […]

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International O Ring Sizes

international o ring sizes

O Ring Sizes An O Ring (also known as Toroidal Seal) is the most popular seal used globally nowadays. It is utilised to mould a physical barrier to stop the blending of liquid fluids or gasses. The O Ring’s straightforward toroidal configuration has proven to provide high sealing effectiveness over a broad scope of installations. We distribute, stock and manufacture […]

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Conversion Formulas in Sealing

Below Formulas can be used to convert your required metrics. Cross Section CS = (OD – ID) ÷ 2 Inner Diameter ID = OD – (2 x CS) Outer Diameter OD = ID + (2 x CS) Inner Diameter ID = (CL ÷ π) – CS °F = (1.8 x °C) + 32 °C = (°F – 32) ÷ 1.8 […]

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How to measure an O Ring?

How to measure an O Ring

O Ring measuring techniques O Rings are round mechanical devices that prevent liquid or gas from leaking through an opening. As time passes, these elastomers may wear out and need to be replaced. A good fit is critical when planning to replace an O Ring. Measuring an O Ring is relatively easy – 3 measurements need to be taken – […]

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