ELAFLEX. PREMIUM-QUALITY RUBBER EXPANSION BELLOWS
From DN25 to DN1000 with thousands of configuration options. These rubber bellows are longer lasting.
24hr Shipping
On all stock items ordered.
Mon-Thur by 2pm, 10am Fridays
Design & Manufacturing
Full in-house design & manufacture to EN / ASME / PED.
ISO14001 Accreditation
FlexEJ has an accredited Environmental Management System.
Elaflex Rubber Bellows
RedBand Elaflex Bellows
RedSpot Elaflex Bellows
Rotex Elaflex Bellows
BlackBand Elaflex Bellows
YellowBand G Elaflex Bellows
YellowBand LT Elaflex Bellows
YellowSteel GS Elaflex Bellows
YellowSteel HNBR Elaflex Bellows
OrangeBand Elaflex Bellows
GreenBand Elaflex Bellows
WhiteBand Rubber Bellows
BlueSpot Rubber Bellows
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.
PRODUCT GUIDES
ELAFLEX RUBBER BELLOWS
WHAT ARE ELAFLEX RUBBER BELLOWS?
PREMIUM-QUALITY PIPE EXPANSION JOINTS WITH…
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 Bellow
Temperature is the most critical as it directly influences the choice of rubber – but also the actual pressure capability of the bellows. The stated maximum rated pressure is maintained up to around 50ºC for most rubber bellows, for higher temperatures check the data in the Range tab.
The Elaflex Rubber Bellows range
FlexEJ has the full range of Elaflex Rubber Bellows, flanges, restraints and accessories available:
Elaflex RedBand ERV-R
DN25 to DN1000
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
DN25 to DN250
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
DN25 to DN1000
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
DN25 to DN1000
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
DN25 to DN1000
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
DN25 to DN300
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
DN25 to DN600
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
DN25 to DN600
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
DN25 to DN100
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
DN25 to DN700
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
DN25 to DN600
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
DN25 to DN300
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 Rubber Bellows Finders and Calculators
We have a couple of easy to use tools and calculators to help you resource the best Elaflex expansion bellows from our next-day delivery stock items. Our Thermal Expansion Calculator for Piping helps you estimate the increase in length of a pipe run with temperature.
Our Advanced Bellows Finder is a quick way to navigate our on-line Elaflex stock range of expansion bellows and joints – with 24hr delivery across the UK. With just a few choices you can arrive at the appropriate selection – criteria include pipe size, type, media compatibility, installation length, pressure rating, pipe connection type, conformance and movement axial, lateral and angular. All the products are in the online store with 24hr shipping as standard. If you’re not sure what flange you need, our handy Flange Finder should also be useful.Stock Elaflex Bellows Finder
Do search for Elaflex bellows by pipe size, intended media and/or connection hardware to see FlexEJ’s stock Elaflex options below but don’t hesitate to call us on 01384 881188 or email us for more bespoke options, sizes and restraint configurations or technical advice.
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
Frequently Asked Questions
A. Yes. FlexEJ holds a large stock of the most popular sizes and types of Elaflex rubber bellows as well as our HVAC value bellows range. We also hold stock of the most popular metal bellows for HVAC. Many of these items are available on 24hr delivery from our online web shop. We can also manufacture to order. For sales assistance please contact us or use our Live Chat facility.
A. Our Flange Finder contains details for many common flanges. Typically, to be able to make the identification you need to know the bore size or outside diameter and number of bolts. For technical assistance contact us or use our Live Chat facility.
A. Please refer to our guidelines for installation, anchoring & guides. They are available in the Downloads section of this website: Elaflex Rubber Bellows Installation Instructions and FlexEJ Metal Bellows Installation Instructions. For technical assistance please contact us or use our Live Chat facility.
A. Yes, our Elaflex ERV-R and ERP rubber bellows have WRAS, DVGW and ACS approval for drinking water. The Safetech manufactured to order rubber bellows can be supplied with WRAS approved EPDM linings. Our MRCA copper ended metal expansion joints also have WRAS approval. For technical assistance please contact us or use the LIVE CHAT link on this page.
A. The ERP Redspot, ERV-R Redband and Rotex DoubleRed bellows are now available from FLEXEJDIRECT from stock for the most common sizes and configuration of these popular high-quality bellows. The shop items and can be despatched same day (Monday to Thursday) on a 24hr service if in stock. More advanced configurations and the other nine Elaflex bellows ranges are available to assemble to exact specifications and typically take 7-10 days (depending on size, quantities and configurations required).
Please visit our full FAQ page to see all our frequently asked questions.