ELAFLEX. PREMIUM-QUALITY RUBBER EXPANSION BELLOWS
From DN25 to DN1000 with thousands of configuration options. These rubber bellows are longer lasting.

Elaflex Rubber Bellows
Elaflex premium rubber bellows are available in 13 different rubber compounds and sizes from DN25 to DN1000. Core range for next day delivery from our Elaflex web shop. The many thousands of rubber/flange/restraint combinations ensure FlexEJ can help you select a rubber bellows expansion joint for long term performance in your specific application.
Elaflex Rubber Bellows
What is an Elaflex Rubber Bellows?
An Elaflex Rubber Bellows is...
- Range An unrivalled range of bellows materials, sizes and accessories to suit most applications.
- Performance Manufactured in Germany Elaflex offer high quality and trouble fee long term operation.
- Application FlexEJ will help you select the right bellows for the application.
- Stock Core range next day from our UK stock, 1000’s of combinations to order.
How to select an Elaflex rubber bellows






Can't see what you want? Need help?
Call us. Or use Live Chat.
For instant advice. We can custom-design and engineer almost any expansion joint you need for delivery in the UK or worldwide. Call our expert team on +44 (0) 1384 881188. Or email us sales@flexej.co.uk
The Elaflex Rubber Bellows range
FlexEJ has the full range of Elaflex Rubber Bellows, flanges, restraints and accessories available:
Elaflex RedBand ERV-R
Butyl (IIR) / EPDM WRAS approved rubber bellows
Elaflex RedBand - Butyl (IIR) / EPDM, seamless, low permeation liner with PA textile cord, Butyl rubberized reinforcement and EPDM, ozone proof, heat resistant cover.
Suitable for drinking water, cold and warm waste water, seawater, cooling water, water with chemical additives, low concentrated acids and alkalis, salt solutions, technical alcohols, esters and ketones.
Not suitable for all mineral oil products, cooling water with oily corrosion preventatives, oily compressor air.
Elaflex RedSpot ERP
Butyl (IIR) / EPDM WRAS approved rubber bellows
Butyl (IIR) / EPDM, seamless liner with PA textile cord reinforcement and EPDM cover.
Suitable for sanitary installations, highly flexible, for cold and warm water, pool water, sea water, drinking water.
Not suitable for all mineral oil products, cooling water with oily corrosion preventatives, oily compressor air.
Elaflex DoubleRed ROTEX
EPDM DIN 4809 rubber bellows
EPDM, hot water resistant, seamless, high abrasion resistance liner with Polymer textile cord, hot water and hydrolysis proof reinforcement and EPDM, ozone proof, heat resistant cover.
Suitable for hot heating water, cooling water and hot air. Approved to DIN 4809.
Not suitable for drinking water, cooling water with oily additives, oily compressor air, long term exposure to steam.
Elaflex BlackBand ERV-CR
Chloroprene CR rubber bellows
Chloroprene CR, seamless, abrasion resistant liner with PA textile cord reinforcement and Chloroprene CR cover.
Suitable for water, swimming pool water, sea water, waste water (weakly sour or alkaline) or oil containing cooling water with oily additives, lubricating oil, grease and air, compressed air.
Not suitable for drinking water, acids, alkalis, chemicals, heating oil, diesel, gasoline and jet fuel, petroleum, solvents, other hydrocarbons and hot compressed air.
Elaflex Yellowband ERV-G
NBR (nitrile) rubber bellows
NBR (nitrile), seamless, abrasion resistant liner with PA textile cord reinforcement and Chloroprene CR cover.
Suitable for Petroleum based products, fuel ethanol blend e.g. E 85 and DIN EN fuels up to 50% aromatic content, also town gas and natural gas, except for LP gas.
Elaflex YellowBand ERV-GLT
NBR (nitrile) Low temperature rubber bellows
NBR (nitrile), seamless, high abrasion resistance liner with PA textile cord reinforcement and Chloroprene CR cover.
Suitable for low temperature applications for petroleum based products, diesel, heating oil, aviation fuel JET A1, kerosene, petroleum and gasoline
Elaflex YellowSteel ERV-GS
NBR (nitrile) Fire Resistant ISO 15540 rubber bellows
NBR (nitrile), seamless, abrasion resistant liner with steel wire cord reinforcement and Chloroprene CR cover.
Suitable for Petroleum based products, DIN EN fuels up to 50% aromatic content, cooling water with oily anti-corrosion additives, lubrication and hydraulic oil, seawater.
Elaflex YellowSteel ERV-GS HNBR
HNBR (nitrile) Fire Resistant ISO 15540 rubber bellows
HNBR (nitrile), seamless, high abrasion resistance liner with steel wire cord reinforcement and Chloroprene CR cover.
Suitable for Petroleum based products, DIN EN fuels up to 50% aromatic content, cooling water with oily anti-corrosion additives, lubrication and hydraulic oil, seawater. Very good aging, weathering and ozone resistance
Elaflex OrangeBand ERV-OR
NBR (nitrile) EN589 rubber bellows
NBR (nitrile), seamless liner with PA textile cord reinforcement and Chloroprene CR, pricked cover.
Suitable for Liquid Petroleum Gas (LPG) to EN589. For tank trucks and refuelling stations
Elaflex GreenBand ERV-GR
Hypalon (CSM) rubber bellows
Hypalon® (CSM), seamless, high abrasion resistance liner with PA textile cord reinforcement and Hypalon (CSM) cover.
Suitable for Chemicals, acids, alkalis and aggressive chemical waste water. For oil-contaminated compressed air
Elaflex WhiteBand ERV-W
NBR light grey FDA-21CFR 177.2600 approved rubber bellows
NBR light grey, seamless, abrasion resistant liner with PA textile cord reinforcement and Chloroprene (CR) cover.
Suitable for Foodstuffs, also food containing oil and fat.
Not suitable for drinking water
Elaflex BlueSpot ERV-BR
BR/NR rubber bellows
BR/NR, seamless, high abrasion resistant liner with Polyester textile cord and BR/NR cover.
Suitable for abrasive media, sludges, slurries, emulsions, solid/liquid mixtures and powders, Carbon Black
Elaflex VITEX FPM
FPM rubber bellows
FPM, seamless, no permeation liner with PA textile cord, specially rubberised reinforcement and ECO cover.
Suitable for aggressive media, hot oils, Benzene, Xylene, fuels with an aromatic content > 50%, bio diesel, aromatic/chlorinated hydrocarbons and mineral acids. Excellent resistance against weathering, aging and ozone.
Need a detailed quote?
Get A Quote. On us.
We will provide full technical details together with, pricing and shipping timescales. For more complex engineered quotes, preliminary sketches and calculations will be available.
Who can you talk to?
Try our sales and customer service team on 01384 881188
They don't bite. And they know what they're talking about. Call the team any time from 9am to 4pm weekdays or use LIVE CHAT if you would prefer a quick text answer. For more complex queries, send us any pro-forma documentation using the get a quote form below or email us sales@flexej.co.uk.
Not sure what flange spec you need?
Use the FlexEJ Flange Finder to find out
FlexEJ stock a full range of specs and types for our bellows. Or call our expert team on +44 (0) 1384 881188.
Frequently Asked Questions
Please visit our full FAQ page to see all our frequently asked questions.
Can't quite find the right bellow?
Try the FlexEJ Bellows Finder
Or call our expert team on +44 (0) 1384 881188
Got a quick question?
Use Live Chat. Or call us.
For instant advice use the Live Chat link to message one of the sales team. Or call them direct on +44 (0) 1384 881188
Get A Quote
Please complete the short form here and we'll get back to you within 24hrs Monday to Friday (quicker if marked urgent).
Alternatively, you can also call our expert team directly on +44 (0) 1384 881118 from 8:30AM to 4:30PM weekdays who will be only too pleased to talk through your requirements and technical queries over the phone.
Visitors are also welcome Monday to Friday although please get in touch beforehand to let us know you're coming.
Industry experience
FLEXEJ Ltd was formed in 2002 by two professional engineers who brought together an already highly respected design capability with business and commercial skills gained in large multinational companies.
- Our focus has always been on application and design – helping our customers find the best value solution.
- We have a strong engineering and manufacturing team with experience in petrochemicals, refining, nuclear, desalination though to HVAC.
- The team is also very familiar with meeting complex requirements for documentation, in process NDT and test on projects. We have supplied many large end-users such as EDF, Exxon, Shell, Reliance & QatarGas working with major contractors such as JGC, Foster Wheeler & Technip.
