Bellows in stock, on line
From stock, next day delivery. Also from the web shop.

FlexEJ Value HVAC Rubber Bellows - Flanged
FlexEJ's Value Flanged rubber bellows are ideal for applications at lower temperatures and pressures where WRAS drinking water approval is not required. Available in lengths of 106, 130 and 150mm (200mm at DN250), DN32 to DN250 : all flanged PN16, tied or untied.

HVAC Rubber Bellows - Flanged
What is a FlexEJ Value HVAC Rubber Bellows?
Value choice for lower temperatures...
- Materials
EPDM with galvanised carbon steel flanges with or without tie rods. - Application
Water: LT heating, waste, sanitary, chilled. - Rating
PN16 at +20°C and PN06 at +95°C. Flanged PN16. Lengths of 106 / 130 / 150 / 200mm available. - Approvals
Not approved for drinking water.
HVAC Flanged rubber bellows
Size | Length | Pressure Rating | Movement | In Shop |
---|---|---|---|---|
DN032-1¼" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN032-1¼" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 35º | Yes |
DN032-1¼" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-12 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN040-1½" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN040-1½" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 35º | Yes |
DN040-1½" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-12 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN050-2" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN050-2" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 35º | Yes |
DN050-2" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-12 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN065-2½" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN065-2½" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 30º | Yes |
DN065-2½" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-12 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN080-3" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN080-3" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 30º | Yes |
DN080-3" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-12 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN100-4" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN100-4" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 25º | Yes |
DN100-4" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-16 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN125-5" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN125-5" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 25º | Yes |
DN125-5" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-16 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN150-6" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 7.5º | Yes |
DN150-6" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 15º | Yes |
DN150-6" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-16 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN200-8" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 5º | Yes |
DN200-8" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 15º | Yes |
DN200-8" | 150 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +9/-16 mm, Lateral +/- 12 mm, Angular +/- 15º | Yes |
DN250-10" | 106 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-20 mm, Lateral +/- 30 mm, Angular +/- 5º | Yes |
DN250-10" | 130 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +20/-30 mm, Lateral +/- 20 mm, Angular +/- 10º | Yes |
DN250-10" | 200 | 16 Barg @ 20 ºC to 6 Barg @ 95 ºC | Axial +19/-19 mm, Lateral +/- 19 mm, Angular +/- 15º | Yes |
How to select an HVAC rubber bellows






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 Value HVAC Flanged Rubber Bellows
FlexEJ's HVAC rubber bellows offer excellent value for many building services applications.
Swivel PN16 Flanges | Tied or Untied |
EPDM rubber lining | All metal parts galvanised |
Choice of lengths 105, 130, 150mm | In stock for quick delivery |

Specifications
All sizes available from the web shop...
For detailed specifications please see our catalogue.
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 Rubber Product Comparison Chart
Which HVAC rubber bellows is the best option for your application? Three potential alternatives to consider: :
WRAS approved WRAS approved bellows
Is this bellow approved for use in all UK public mains water supplies?
Potable water Potable water
Is this bellow approved for water systems used for drinking and food preparation?
DIN 4809 compliant HT Heating Water DIN4809 compliant
Is this bellow compliant with the German DIN4809 standard of approval for warm water heating systems? (Max 100°C, 10 bar).
Rating barg/°C Pressure & temperature
What is the required pressure rating (in barg) compared to temperature rating for this bellow?
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 8:30am to 3:30pm weekdays, 12:30pm Fridays 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 quite find the right bellow?
Try the FlexEJ Bellows Finder
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.
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 (12:30PM Fridays), 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.

