Flanged Axial Expansion Joints
Product Code: BAF/N (X) (E)
EMFLEX axial expansion joints are used to absorb thermal expansion in straight pipelines. They are installed in the pipeline and substantial anchors are required to withstand the forces set up in the pipeline due mainly to the internal pressure in the bellows. Correct alignment of the pipeline is essential with this type of expansion joint and proper pipe alignment guides are recommended. Only one axial expansion joint should be installed between each pair of anchors.
Product Type
Info Table
Additional Information
For use on steel pipelines and is suitable for steam and hot water for heating. This unit has stainless steel bellows and inner sleeve with flanges of carbon steel.
For use on copper pipelines and is suitable for condensate, gases and domestic hot water. This unit has stainless steel internals comprising stainless steel bellows, inner sleeve and van-stone ends with backing flanges of carbon steel.
- Nominal Size
- mm
- 50
- 65
- 80
- 100
- 125
- 150
- 200
- 250
- Axial Compression
- mm
- 50
- 50
- 50
- 50
- 50
- 50
- 50
- 50
- Installed Overall Length
- mm
- 225
- 225
- 225
- 225
- 277
- 277
- 306
- 306
- Force To Compress
- Netwons/mm
- 70
- 90
- 200
- 250
- 300
- 350
- 350
- 450
- Effective Area
- Cm2
- 35
- 56
- 75
- 118
- 187
- 260
- 440
- 665
Other sizes and movements are available. External protective sleeves are available, suffix E, e.g. BAFE and BAFNE.
Working Pressure: 16 bar (1600 kPa).
Test Pressure: 1.5 x Working Pressure.
Press./Temp. ratings for carbon steel PN16 Flanges.
Design Temperature x Working Pressure
{(ºC)} {120} {150} {200} {250} {300}
{Bar} {16} {14} {12} {11} {9}
Material Specifications:
Bellows and internal sleeve are stainless steel. For steel service the flanges are carbon steel. For copper service van-stone ends are stainless steel and backing flanges are carbon steel.
Design Consideration
For details of pipe anchors and alignment guides see our design book. Axial expansion joints can be supplied at a compressed length for use as contraction joints on chilled water services.
Notice
All axial expansion joints are pre-stressed at the factory and are supplied at the installation length.
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Emflex
Expansion Bellows
N.Minikin & Sons LimitedUnit 2B Brickyard Road, Roecliffe, York, YO51 9NS
Email: enquiries@minikins.co.uk Web: www.minikins.co.uk
Tel: 01423 326 789
01423 326 789
N.MINIKINS & SONS LIMITED
MINIKINS.CO.UK
Flanged Axial Expansion JointsProduct Code: BAF/N (X) (E)
EMFLEX axial expansion joints are used to absorb thermal expansion in straight pipelines. They are installed in the pipeline and substantial anchors are required to withstand the forces set up in the pipeline due mainly to the internal pressure in the bellows. Correct alignment of the pipeline is essential with this type of expansion joint and proper pipe alignment guides are recommended. Only one axial expansion joint should be installed between each pair of anchors.
For use on steel pipelines and is suitable for steam and hot water for heating. This unit has stainless steel bellows and inner sleeve with flanges of carbon steel.
For use on copper pipelines and is suitable for condensate, gases and domestic hot water. This unit has stainless steel internals comprising stainless steel bellows, inner sleeve and van-stone ends with backing flanges of carbon steel.
- Nominal Size
- mm
- 50
- 65
- 80
- 100
- 125
- 150
- 200
- 250
- Axial Compression
- mm
- 50
- 50
- 50
- 50
- 50
- 50
- 50
- 50
- Installed Overall Length
- mm
- 225
- 225
- 225
- 225
- 277
- 277
- 306
- 306
- Force To Compress
- Netwons/mm
- 70
- 90
- 200
- 250
- 300
- 350
- 350
- 450
- Effective Area
- Cm2
- 35
- 56
- 75
- 118
- 187
- 260
- 440
- 665
Other sizes and movements are available. External protective sleeves are available, suffix E, e.g. BAFE and BAFNE.
Working Pressure: 16 bar (1600 kPa).
Test Pressure: 1.5 x Working Pressure.
Press./Temp. ratings for carbon steel PN16 Flanges.
Design Temperature x Working Pressure
{(ºC)} {120} {150} {200} {250} {300}
{Bar} {16} {14} {12} {11} {9}
Material Specifications:
Bellows and internal sleeve are stainless steel. For steel service the flanges are carbon steel. For copper service van-stone ends are stainless steel and backing flanges are carbon steel.
Design Consideration
For details of pipe anchors and alignment guides see our design book. Axial expansion joints can be supplied at a compressed length for use as contraction joints on chilled water services.
Notice
All axial expansion joints are pre-stressed at the factory and are supplied at the installation length.
01423 326 789
N.MINIKINS & SONS LIMITED
MINIKINS.CO.UK
All our EMFLEX expansion bellows are manufactured in accordance with EJMA calculations and the Pressure Equipment Directive 97/23/EC (if applicable). This means that they meet and exceed quality design and manufacturing standards.
Our stainless steel type BAFN expansion bellows are used to absorb thermal expansion in straight pipelines. The flanged ends are provided in either carbon steel, for carbon steel pipework, or van stone ends for copper pipework. For screwed ends, take a look at our Type BATN bellows. All ends are manufactured to meet your design and installation requirements.
If you would like a free consultation to see how our products can support thermal expansion in your pipework systems, simply get in touch with one of our experts today. All of our consultations include marked-up designs, installation guidance, expert advice and more. We offer a fast response time to ensure that your needs and requirements are met quickly.
To learn more about our BAF(N) Expansion Bellows, simply explore our downloadable data sheet.