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FlexEJ Shop has now closed for Deliveries this year, Orders can still be placed however will be processed on our return, 02/01/2025. Wishing all a Happy Christmas and Prosperous New Year.
  • Shop
  • Pipe Expansion Bellows

    RUBBER EXPANSION BELLOWS

    Elaflex Chloroprene Bellows Elaflex EPDM Bellows Elaflex Nitrile Bellows FlexEJ EPDM Flanged Bellows FlexEJ EPDM Union Ends View All ›

    METAL EXPANSION BELLOWS

    FlexEJ Axial Metal Bellows FlexEJ Copper End Bellows FlexEJ Pump Bellows FlexEJ Union End Bellows View All ›

    Expansion bellows by type

    Flanged Bellows Union End Bellows WRAS Approved Bellows View All ›
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    Rubber
    Rubber Bellows & Expansion Joints
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    Metal
    Metal Bellows & Expansion Joints
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    WRAS Approved
    Bellows & Expansion Joints
    • Metal Expansion Bellows
      FlexEJ’s HVAC Metal Expansion Bellows – flanged, copper or union ends. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • FlexEJ Axial Metal Bellows
        FlexEJ’s HVAC Metal Expansion Bellows – for axial movement with PN16 flanged ends. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • FlexEJ Copper End Bellows
        FlexEJ’s HVAC Metal Expansion Bellows – WRAS approved – for axial movement with copper pipe ends. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • FlexEJ Pump Bellows
        FlexEJ’s HVAC Metal Expansion Bellows – for lateral movement / vibration with PN16 flanged ends. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • FlexEJ Union End Bellows
        FlexEJ’s HVAC Metal Expansion Bellows – for axial movement with BSP union ends. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
    • Rubber Expansion Bellows
      FlexEJ’s Rubber Expansion Bellows – for a wide range of temperatures in HVAC water applications. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • Elaflex Chloroprene Bellows
        The Elaflex Chloroprene (BlackBand) rubber bellow features a Chloroprene CR, seamless, abrasion resistant liner with PA textile cord reinforcement and Chloroprene CR cover.
      • Elaflex EPDM Bellows
        Elaflex RedBand, RedSpot & Rotex DoubledRed are premium-quality EPDM rubber expansion bellows suitable for various HVAC applications.
        • Elaflex RedBand Bellows
          Elaflex RedBand ERV-R Rubber Expansion Bellows – WRAS approved EPDM, high quality, manufactured in Germany. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
        • Elaflex RedSpot Bellows
          Elaflex RedSpot ERP Rubber Expansion Bellows – WRAS approved EPDM, high quality, manufactured in Germany. Designed for high flexibility on lower pressure applications. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
        • Elaflex ROTEX Bellows
          Elaflex “DoubleRed” ROTEX Rubber Expansion Bellows – DIN 4809 EPDM, high quality, manufactured in Germany. Designed for high temperature applications. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • Elaflex Nitrile Bellows
        Elaflex Nitrile (YellowBand ERV-G) rubber bellows — manufactured in Germany — features an NBR (nitrile), seamless, abrasion resistant liner with PA textile cord reinforcement and Chloroprene CR cover.
      • FlexEJ EPDM Flanged Bellows
        FlexEJ Flanged HVAC Rubber Bellows are available in a wide range of lengths and pipe sizes, suited to low / medium temperatures and pressures. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
      • FlexEJ EPDM Union Ends
        FlexEJ BSP Union HVAC Rubber Bellows are available in a wide range of lengths and pipe sizes, suited to low / medium temperatures and pressures. Please contact sales for non-HVAC applications; we will be pleased to help you with product selection.
  • Commercial Heating

    Air & Dirt Separators

    Air & Dirt Separators Air Separators Dirt Separators

    Dosing Pots

    Low Loss Headers

    HP Low Loss Headers LP Low Loss Headers Valve & Fitting Kits Insulation Jackets Manifolds

    Domestic Hot Water (DHW)

    PhexPak Packaged Plate Heat Exchangers Buffer Vessels
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    FLEXEJ
    FlexEJ Air & Dirt Separators
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    FLEXEJ
    FlexEJ Chemical Dosing Pots
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    FlexEJ
    FlexEJ Low Loss Headers
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    PhexPak
    Packaged Plate Heat Exchangers
    • Air & Dirt Separators
      FlexEJ’s Air & Dirt Separators protect and optimise your heating or cooling system. Designed and built by FlexEJ in the UK for direct value.
      • Air & Dirt Separators
        FlexEJ’s Air & Dirt Separators protect and optimise your heating or cooling system. Designed and built by FlexEJ in the UK for direct value.
      • Air Separators
        FlexEJ’s Air Separators protect and optimise your heating or cooling system. Designed and built by FlexEJ in the UK for direct value.
      • Dirt Separators
        FlexEJ’s Dirt Separators protect and optimise your heating or cooling system. Designed and built by FlexEJ in the UK for direct value.
    • Dosing Pots
      FlexEJ’s Chemical Dosing Pots allow inhibitors to be added safely to a closed HVAC heating or chilled water system. Designed and manufactured by FlexEJ in the UK.
    • Low Loss Headers
      FlexEJ’s Low Loss Headers provide hydraulic separation in HVAC systems. Designed and manufactured by FlexEJ in the UK.
      • HP Low Loss Headers
        FlexEJ’s HP Low Loss Headers provide hydraulic separation in HVAC systems. Designed and manufactured by FlexEJ in the UK.
      • LP Low Loss Headers
        FlexEJ’s LP Low Loss Headers provide hydraulic separation in HVAC systems. Designed and manufactured by FlexEJ in the UK.
      • Insulation Jackets
        FlexEJ Low Loss Header Insulation Jackets are robust and easy to fit. Jackets can be installed and removed with all piping attached to the low loss header.
      • Manifolds
        FlexEJ Low Loss Header Horizontal Manifolds provide a quick and simple way of connecting three or more primary and/or secondary circuits to the low loss header.
      • Valve & Fitting Kits
        FlexEJ’s DN12 and DN25 Valve Kits for our LP Low Loss Headers + BSP Compression Valves.
    • Domestic Hot Water
      FlexEJ’s new Domestic Hot Water category which will have the new PhexPak and Buffer Vessels (x2) in it…
      • PhexPak
        PhexPak Packaged Plate Heat Exchangers are FlexEJ’s new energy and space-efficient new packaged plate heat exchangers with BACnet connectivity, bluetooth, Smart App management and DHW or LTHW support built-in.
  • Flange Accessories

    Bolt Sets

    By bolt size

    M10x50 M12x50 M12x60 M16x60 M16x70 All Sizes ›

    Gaskets

    By flange size

    DN32 (1¼”) DN40 (1½″) DN50 (2″) DN65 (2½″) DN80 (3″) All Sizes ›
    Can’t find the size/spec you need? Call 01384 881188 or Live Chat our helpful technical sales team.
    • Bolt Sets
      FlexEJ’s bolt packs selected to fit our range of expansion bellows, low loss headers and air & dirt separators – as well as any PN flange listed.
    • Gaskets
      FlexEJ’s gasket sets selected to fit our range of expansion bellows, low loss headers and air & dirt separators – as well as any PN flange listed.
  • Help
    Can’t find the size/spec you need? Call 01384 881188 or Live Chat our helpful technical sales team.
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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.
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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.
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FLEXEJ

FLEXEJ is a leading UK supplier of high-quality flanged rubber bellows, expansion joints and compensators as well as custom engineered rubber and metal bellows, industrial metal hose, pressure vessels, HVAC fabrication, pressure design and specialised pressure welding – from our manufacturing plant in Stourbridge, near Birmingham, in the heart of the West Midlands in the UK.

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Fax +44 | 1384 896 675

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