Industrial Metal Bellows
Fully configurable: materials, end style, hardware

Industrial Metal Bellows
FlexEJ's industrial metal bellows range allow us to configure a metal expansion joint for your application based on a standard convolution matched to any weld end or flange in the materials of your choice. Length to order.
Industrial Metal Bellows
What are Industrial Metal Bellows?
FlexEJ Industrial Metal bellows offer...
- Design
Extensive range of configurable metal bellows suitable for a wide range of industrial services. - Performance
High quality EJMA calculated bellows manufactured by punch forming in 316 stainless steel. - Application
FlexEJ will help you select the right bellows for the application. - Configurable
Flanges, weld ends, materials, lengths can all be specified to order.
Short Axial Industrial Metal Bellows
Size | Length | Pressure Rating | Movement | In Shop |
---|---|---|---|---|
DN040-1½" | 180 to 300 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN050-2" | 180 to 300 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN065-2½" | 180 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN080-3" | 180 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN100-4" | 180 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN125-5" | 180 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN150-6" | 180 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN200-8" | 220 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
DN250-10" | 220 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-15 mm | |
Long Axial Industrial Metal Bellows
Size | Length | Pressure Rating | Movement | In Shop |
---|---|---|---|---|
DN100-4" | 210 to 450 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-30 mm | |
DN125-5" | 210 to 480 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-35 mm | |
DN150-6" | 250 to 500 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-35 mm | |
DN200-8" | 250 to 550 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-35 mm | |
DN250-10" | 250 to 600 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-35 mm | |
DN300-12" | 280 to 600 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-40 mm | |
DN350-14" | 280 to 600 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-40 mm | |
DN400-16" | 300 to 600 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Axial +/-40 mm | |
Industrial Pump Bellows
Size | Length | Pressure Rating | Movement | In Shop |
---|---|---|---|---|
DN050-2" | 130 to 330 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN065-2½" | 130 to 390 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN080-3" | 130 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN100-4" | 130 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN125-5" | 150 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN150-6" | 150 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN200-8" | 200 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN250-10" | 200 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN300-12" | 200 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN350-14" | 200 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
DN400-16" | 200 to 400 | 16 Barg @ 180 ºC to 12 Barg @ 300 ºC | Lateral +/-3 mm | |
How to specify a metal expansion joint






Can't quite find the right bellow?
Try the FlexEJ Bellows Finder
Or call our expert team on +44 (0) 1384 881188
FlexEJ's Industrial Metal Bellows
FlexEJ has the following ranges of industrial metal bellows available:
LONG AXIAL INDUSTRIAL BELLOWS
Fully Configurable
FlexEJ's Long Axial range offers large axial movements. Stainless Steel 316 bellows, designed to EJMA, manufactured by punch forming together with flanges to any specification and material or pipe ends in any material. Length to order. These expansion joints are rated for applications up to 12 Barg @ 300°C.
FlexEJ can design and build metal expansion joints to your exact specification, details here...
INDUSTRIAL SHORT AXIAL METAL BELLOWS
Fully Configurable
FlexEJ's Short Axial range offers moderate axial movements. Consequently they are shorter end to end at minimum length than the Long Axial range. Stainless Steel 316 bellows, designed to EJMA, manufactured by punch forming together with flanges to any specification and material or pipe ends in any material. Length to order. These expansion joints are rated for applications up to 12 Barg @ 300°C.
FlexEJ can design and build metal expansion joints to your exact specification, details here...
INDUSTRIAL PUMP BELLOWS
Fully Configurable
FlexEJ's Pump range offers small lateral movements suited to pump alignment and vibration applications. Available as tied and untied. Stainless Steel 316 bellows, designed to EJMA, manufactured by punch forming together with flanges to any specification and material or pipe ends in any material. Length to order. These expansion joints are rated for applications up to 12 Barg @ 300°C.
FlexEJ can design and build metal expansion joints to your exact specification, details here...
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
HVAC and Industrial bellows comparison chart
Which is the best pump or axial bellow for your application? Four potential alternatives to consider:
Stainless steel bellow Bellows Material and Design
Is the bellows Stainless Steel and calculated to EJMA?
Flow Liner Flow Liner
Is a Flow Liner included?
Any flange / weld end Any Flange or Weld End
Is any common flange type or pipe weld end available?
Range of lengths Range of lengths
Can an overall length greater than minimum be specified?
Rating barg/°C
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.
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.
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
In addition, FlexEJ holds a large stock of the most popular sizes and types of Elaflex rubber bellows as well as our HVAC value bellows range.
Please visit our full FAQ page to see all our frequently asked questions.
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.
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.
