UKGP-EXB · ANTI RUST · ANTI CORROSION

Rubber Expansion Bellows & Pipework Expansion Joints

Single and twin sphere rubber expansion bellows for thermal compensation and vibration absorption in pipework.

Description

Industrial grade expansion bellows engineered for the thermal compensation, vibration isolation and movement absorption found in critical piping systems. Available in axial, lateral and angular configurations across a full size range.

UK stock · Same-day dispatch before 3pm · Trade accounts welcome

Single sphere rubber expansion bellows with flanged ends for pipeworkUKGP · Industrial

UKGP-EXB · Sizes & buy

Rubber expansion bellows

Single and twin sphere EPDM flanged rubber expansion joints for vibration isolation and thermal compensation on closed heating, chilled water and HVAC pipework. PN16 flanged ends as standard. Axial, lateral and angular movement absorbed.

Body
EPDM rubber
Flange
PN16 carbon steel
Temp
-10°C to 100°C
Deflection
15° max
Length
95 mm
Deflection
15°
Extension
6 mm
Compression
9 mm
Lateral movement
9 mm
Single sphere · PN16 flanged
Length
95 mm
Deflection
15°
Extension
6 mm
Compression
10 mm
Lateral movement
9 mm
Single sphere · PN16 flanged
Length
105 mm
Deflection
15°
Extension
7 mm
Compression
10 mm
Lateral movement
10 mm
Single sphere · PN16 flanged
Length
115 mm
Deflection
15°
Extension
7 mm
Compression
13 mm
Lateral movement
12 mm
Single sphere · PN16 flanged
Length
130 mm
Deflection
15°
Extension
8 mm
Compression
15 mm
Lateral movement
12 mm
Single sphere · PN16 flanged
Length
150 mm
Deflection
15°
Extension
10 mm
Compression
19 mm
Lateral movement
13 mm
Single sphere · PN16 flanged
Length
165 mm
Deflection
15°
Extension
12 mm
Compression
19 mm
Lateral movement
13 mm
Single sphere · PN16 flanged
Length
180 mm
Deflection
15°
Extension
12 mm
Compression
20 mm
Lateral movement
14 mm
Single sphere · PN16 flanged
Length
210 mm
Deflection
15°
Extension
14 mm
Compression
22 mm
Lateral movement
16 mm
Twin sphere · PN16 flanged
Length
240 mm
Deflection
15°
Extension
16 mm
Compression
25 mm
Lateral movement
18 mm
Twin sphere · PN16 flanged

Prices ex VAT. Alternative lengths (130 / 150 / 200 mm), PN25 flanges, NBR / nitrile and stainless tie-bar restraint kits available — call +44 20 8935 5572.

Variants

Rubber expansion bellows — configurations available

Single sphere rubber expansion bellows with PN16 flanged ends
Single sphere rubber expansion bellows
Twin sphere rubber expansion bellows for high movement pipework
Twin sphere rubber expansion bellows

Benefits

Why specify our rubber expansion bellows

  • Axial, lateral and angular movement
  • Multi-ply stainless steel construction
  • Manufactured to EN 14917 / EJMA standards
  • Custom flanged or weld-end terminations

Typical applications

District energyPower generationPetrochemicalHVAC

Expansion bellows specifications

Size range
DN15 — DN3000+
Pressure
Up to PN40
Temperature
-200°C to 800°C
Materials
316L, 321, Inconel
See sizes & pricesTalk to an engineer

UK delivery

Stocked sizes — same-day dispatch from our UK warehouse for orders placed before 3pm (Mon–Fri)

4-year warranty

Manufacturer-backed defect cover on every UKGP product

Engineer support

Sizing, drawings & site advice — free

Call the team

+44 20 8935 5572 · 8am–5pm

Buying answers

Quick answers before you order

Can't see your question? Call +44 20 8935 5572 or email sales@ukgpindustrial.co.uk — our engineers respond inside one working day.

Latest guides

Latest rubber expansion bellows guides

buyers guide · 10 min

The Technical Guide to Water Pipe Expansion Joint Selection

Specifying the correct water pipe expansion joint is critical for the structural integrity of commercial HVAC and district heating networks. Failure to account for thermal elongation often leads to catastrophic anchor failure or mechanical fatigue in large-scale plant rooms across the UK.

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buyers guide · 9 min

Guide to Tied Expansion Bellows in HVAC and Industrial Systems

Developing a robust piping strategy requires a technical understanding of how tied expansion bellows manage system forces during thermal cycling. These critical components are engineered to absorb lateral movement while restraining the pressure thrust that can otherwise compromise the structural integrity of your pipework installations.

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buyers guide · 10 min

Selection and Sizing Guide for Thermal Expansion Bellows

Effective stress management in modern plant rooms relies on the correct specification of thermal expansion bellows to absorb axial, lateral, and angular movement. This technical guide outlines how thermal expansion bellows prevent structural fatigue and ensure the longevity of high-temperature circulating systems.

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buyers guide · 9 min

Technical Specification of Stourflex Expansion Bellows

Understanding the technical nuances of stourflex expansion bellows is essential for building services consultants and M&E contractors aiming to maintain system integrity. This guide explores how specifying stourflex expansion bellows alongside UKGP industrial solutions ensures long-term thermal compensation and vibration isolation in commercial heating and cooling circuits.

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buyers guide · 9 min

How to Spec and Install a Steam Pipe Expansion Joint

When designing high-pressure thermal systems, the selection of a robust steam pipe expansion joint is paramount to prevent stress-related fractures and anchor failure. These components are essential for managing the significant linear thermal expansion encountered in steam distribution networks across UK industrial sites. Consulting with UKGP Industrial ensures your system maintains hydraulic integrity through precision-engineered bellows technology.

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buyers guide · 10 min

Maximising steam expansion bellows performance and longevity

Specifying the correct steam expansion bellows is fundamental to the structural integrity of high-temperature HVAC and process pipework. Understanding the relationship between steam expansion bellows temperature and cycle life ensures that building services engineers can mitigate the risks of fatigue failure and thermal stress. This guide examines how material selection, BSRIA BG50 compliance, and installation precision influence the operational lifespan of these critical components.

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