Rubber Bellows
FlexEJ is here to help you select the best rubber bellows for your application; the range is huge so please let us know what you need and we will be delighted to help.
HVACRubber Bellows
ElaflexRubber Bellows
SafetechRubber Bellows
RUBBER BELLOWS
What is a rubber bellows?
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.
How to select a large rubber bellows
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 rubber compound used for the inner layer of the bellows must be compatible with the working fluid. Drinking water requires a WRAS approved EPDM, oils require Nitrile and so on - our Bellows Finder can help you with finding the right rubber.
Moulded bellows are manufactured in set combinations of diameters and lengths. However, our handmade Safetech range can be manufactured in any diameter and length to suit your application, only the more standard sizes are shown on the Safetech range tab.
Any flange drilling can be supplied; if you are uncertain about what you already have installed our Flange Finder will help you identify it. The HVAC and Elaflex ranges have swivel flanges; the Safetech range has full face rubber flanges. Our web shop stock is PN10/16. Bellows will exert a pressure force on the pipe (see FAQ) which must be restrained or absorbed at the piping anchors. All our flanged rubber expansion joints are available with tie rods and we can offer hinges or gimbals on the Elaflex and Safetech products.
Moulded rubber bellows have a defined movement range, which is shown for each type in the Range tab, movements listed are non-concurrent (see FAQ). A Safetech bellows will be designed to meet your required movements.
Call our expert team on +44 (0) 1384 881188 or email us at sales@flexej.co.uk or use Live Chat on this web site - we are here to help, please get in touch.
FlexEJ's Rubber Bellows
We have three distinct ranges of rubber bellows:
HVAC Rubber Bellows
DN20 to DN250
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 Bellows
DN25 to DN1000
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
DN600 to DN3000
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
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.
