Delivering Fluid Sealing Solutions Since 1972

Posts for Uncategorised

SB Open Letter

M Barnwell Services Ltd is open and continues its operations with enormous thanks to its staff and suppliers. We are extremely proud at this unprecedented time to support global manufacturers for new product and in their aftermarkets to service equipment that supports essential sectors which are on the front lines to stop the spread and impacts of the Coronavirus (COVID-19), […]

Read More

Merry Christmas & Happy New Year 2020

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 – […]

Read More

Easter Competition 2019

Easter Competition 2019

Easter Letter Hunt – WIN Chocolate Goodies! M Barnwell Services is giving you another chance to win either a Cadbury Ultimate Easter Basket, Cadbury Sharing Hamper, or a Cadbury Créme Eggs 48 Box. From Monday 25th March 2019, there will be EIGHT bunnies hidden within the pages of the M Barnwell Services’ website. Each bunny will have an individual letter. […]

Read More

Merry Christmas & Happy New Year 2019

Everyone at M Barnwell Services would like to wish you and your family a very Merry Christmas and a Happy New Year 2019!   CHRISTMAS OPENING TIMES Monday 24th December 2018 – CLOSED Tuesday 25th December 2018 – CLOSED Wednesday 26th December 2018 – CLOSED Thursday 27th December 2018- OPEN Friday 28th December 2018 – OPEN   NEW YEAR OPENING […]

Read More

Merry Christmas & Happy New Year

Merry Christmas

Everyone at M Barnwell Services is wishing you and your family a Very Merry Christmas and a Happy New Year!   CHRISTMAS 2017 OPENING TIMES: Monday 18th December – OPEN Tuesday 19th December – OPEN Wednesday 20th December – OPEN Thursday 21st December – OPEN Friday 22nd December – OPEN   NEW YEAR OPENING TIMES: Monday 25th December – CLOSED […]

Read More

Merry Christmas & Happy New Year

  Thank you for all your business in 2016 We look forward to your continuing custom throughout 2017! Please click here to find out our Festive opening times

Read More