OFF-THE-SHELF AND HANDMADE RUBBER EXPANSION BELLOWS TO ORDER
All in-stock sizes : 24hr delivery. Wide range of sizes available from DN25 to DN3600.

Rubber Expansion Bellows
Rubber bellows expansion joints come in a very wide range of sizes, materials and styles. FlexEJ is here to help you select the rubber expansion joint or rubber bellows best suited to your application. FlexEJ’s extensive UK stock of HVAC and Elaflex rubber bellows allows many requirements for rubber expansion joints to be met immediately. Safetech manufactured to order rubber bellows expansion joints complete our unrivalled range.
RUBBER BELLOWS
What is a rubber expansion bellow?
Things to consider....
- Materials
12 different rubber compounds for the bellows - Application
Water, oils, chemicals, foods, gases - we have a solution - Rating
-40°C up to +150°C, typically PN6 to PN16 - Web Shop
Many available online with next day delivery from our web shop.
Selecting Rubber Expansion Joints

Rubber expansion joints come in three main styles:
- Swivel Flange, single arch, rubber bellows which are moulded and available in specific lengths
- Full Face rubber expansion joints which are made to order with 1-4 arches
- Twin Sphere rubber joints which are moulded with 2 arches and supplied with BSP ends





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
FlexEJ's Rubber Bellows
We have three distinct ranges of rubber bellows:
HVAC RUBBER BELLOWS
Available in a wide range of sizes, flange and restraint options
Designed for lower temperature applications in the HVAC market, these expansion joints offer good value, quick delivery from stock and are available as both flanged and union ended.
ELAFLEX RUBBER EXPANSION BELLOWS
Renowned for their high quality and durability
Elaflex rubber expansion joints have over 8000 standard configuration options which includes a range of high quality rubber formulations to suit a vast range of applications. Core range in stock at FlexEJ.
SAFETECH MANUFACTURED BELLOWS
Fully engineered large diameter rubber expansion bellows
FlexEJ's sister company, Safetech, designs and manufactures rubber expansion joints in Spain. We can offer multiple arch, reducing and rectangular bellows in all diameters and to over DN3600
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 881 118 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.
