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24hr Shipping
On all stock items ordered.
Mon-Thur by 12:30pm, 9:30am Fridays

Design & Manufacturing
Full in-house design & manufacture to EN / ASME / PED.

ISO14001 Accreditation
FlexEJ has an accredited Environmental Management System.

Welcome to FlexEJ

FlexEJ's Proven Commercial & Industrial Product Range
WHY FLEXEJ

PROVEN PRODUCT RANGE

PIPE EXPANSION, PRESSURE FABRICATION

Being both a distributor and manufacturer allows us to offer the best solution for any application. We hold stock for next day delivery and manufacture to order.
FlexEJ's Commercial Heating & Hot Water Product Range
WHY FLEXEJ

HEATING TECHNOLOGY

FLEXEJ'S NEW PHEXPAK PACKAGED PLATE HEAT EXCHANGERS

FlexEJ's new range of PhexPak Packaged Plate Heat Exchangers bring efficiency, performance and control to commercial hot water and heating circuits.
FlexEJ Design & Manufacturing
WHY FLEXEJ

DESIGN, ENGINEERING & MANUFACTURING

RUBBER AND METAL EXPANSION JOINTS

Manufacture to order avoids compromise. From DN12 to DN3600+ we have the capability. You get exactly the expansion joint you require, with all the necessary documentation and testing.
Team FlexEJ
WHY FLEXEJ

EXPERT TEAM

HERE TO HELP

Manufacture to order avoids compromise. From DN12 to DN3600+ we have the capability. You get exactly the expansion joint you require, with all the necessary documentation and testing.

About Us

FlexEJ offers a broad range of pipe expansion joints and pressure fabrications; we are both stockist and manufacturer with factories in the UK and Spain. We are accredited to ISO9001, ISO14000 and the PED. As required we offer full material traceability, documentation and compliance with client specifications – our welders are qualified to both EN and ASME.

You can also buy a wide range of stock expansion joints and HVAC fabrications direct from our web shop with next day delivery.

We are here to help; please get in touch by phone, email or via the web site LIVE CHAT facility. We will be delighted to assist you in selecting the right stock product through to developing a unique design for your application.

Please visit our About Us pages for a full profile, history, location and contacts.

Latest FlexEJ News

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. FlexEJ Value HVAC and Elaflex rubber bellows are stocked in a number of standard lengths from 105mm to 300mm, a summary of lengths, diameters and types can be found on each product page. We also offer fully engineered rubber bellows which are available in custom lengths to suit the application. You can use our bellows finder to find the most suitable product. For technical assistance please contact us or use our Live Chat facility.

A. Yes, if you have the details we can normally offer an equivalent, our FAQ here gives the information we will need for a full selection. For technical assistance please contact us or use the Live Chat link on this page.

A. To identify an existing expansion joint we need to know: nominal bore, overall length and flange type plus service, temperature, pressure and required movement if known. Try our Flange Finder to help identify the flange and you can send us a picture of the existing part using the Contact us form. For technical assistance please contact us or use the LIVE CHAT link on this page.

A. Yes, our Elaflex ERV-R and ERP rubber bellows have WRAS, DVGW and ACS approval for drinking water, see our Elaflex pages for more information. 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.

Please visit our full FAQ page to see all our frequently asked questions.

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your 360 images
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Find the perfect Commercial Heating item for the job at hand:

Pipe Size
Pipe Size
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Heat Load Duty
Heat Load Duty
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DHW Flow (l/s)
DHW Flow (l/s)
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PN Rating
PN Rating
Pump 1 Duty
Pump 1 Duty
Pump 2 Duty
Pump 2 Duty
Volume
Volume
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Connection Type
Connection Type
Conformance
Conformance
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your 360 images

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Bellows Material
Bellows Material
Pipe Size
Pipe Size
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Copper Pipe Size
Copper Pipe Size
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Installation Length
Installation Length
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Media
Media
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PN Rating
PN Rating
Max Operating Temperature
Max Operating Temperature - slider
0 °C — 195 °C
Min Operating Temperature
Min Operating Temperature - slider
-40 Â°C — 5 Â°C
Connection Type
Connection Type
Tie Rods
Tie Rods
Conformance
Conformance
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Axial Movement
Axial Movement
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Lateral Movement
Lateral Movement
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Angular Movement
Angular Movement
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PN6 Flanges
PN6 Flanges
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PN10 Flanges
PN10 Flanges
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PN16 Flanges
PN16 Flanges
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Bolt Size
Bolt Size
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Pack Quantity
Pack Quantity
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Conformance
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Find the perfect dosing pot for the job at hand:

Volume
Volume
Pipe Size
Pipe Size
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Connection Type
Connection Type
PN Rating
PN Rating
Media
Media
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Max Operating Temperature
Max Operating Temperature - slider
0 °C — 195 °C
Min Operating Temperature
Min Operating Temperature - slider
-40 Â°C — 5 Â°C
Conformance
Conformance
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Find the perfect Air & Dirt Separator for the job at hand:

Pipe Size
Pipe Size
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PN Rating
PN Rating
Media
Media
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Max Operating Temperature
Max Operating Temperature - slider
0 °C — 195 °C
Min Operating Temperature
Min Operating Temperature - slider
-40 Â°C — 5 Â°C
Connection Type
Connection Type
Conformance
Conformance
More..

Find the perfect expansion joint for the job at hand:

Bellows Material
Bellows Material
Pipe Size
Pipe Size
More..
Copper Pipe Size
Copper Pipe Size
More..
Installation Length
Installation Length
More..
Media
Media
More..
Connection Type
Connection Type
PN Rating
PN Rating
Max Operating Temperature
Max Operating Temperature - slider
0 °C — 195 °C
Min Operating Temperature
Min Operating Temperature - slider
-40 Â°C — 5 Â°C
Tie Rods
Tie Rods
Conformance
Conformance
More..
Axial Movement
Axial Movement
More..
Lateral Movement
Lateral Movement
More..
Angular Movement
Angular Movement
More..

Find the perfect Low Loss Header for the job at hand:

Fitting Type
Fitting Type
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Pipe Size
Pipe Size
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Copper Pipe Size
Copper Pipe Size
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Volume
Volume
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Boiler Rating
Boiler Rating
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Heat Pump Rating
Heat Pump Rating
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PN Rating
PN Rating
Connection Type
Connection Type
Conformance
Conformance
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