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Expansion Joints

Expansion Joints

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Expansion Joints

Overview
Designs
Benefits

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Construction of an expansion joint
Plant engineering: Many operators use the products as standard equipment in their designs.
Petroleum: Our special rubber compounds offer maximum resistance to oils and fuels. Compensators are used in road tanker production, but are also in underground tank installations at service stations to offset the effects of ground settling.
Building technology: Our special rubber compounds offer maximum resistance to oils and fuels. Compensators are used in road tanker production, but are also in underground tank installations at service stations to offset the effects of ground settling.
Shipping: Rubber expansion joints were originally developed for the shipbuilding industry in the 1950s. They suppress the vibration and noise generated by motors, pumps and generators on board and allow for easy installation of piping components.

Rubber Expansion Joints

Whether in shipbuilding, building services engineering, the mineral oil industry or in machinery, plant and power station construction – elastomer products manufactured by Continental Air Spring Systems reduce tension, isolate noise and vibrations, absorb thermal expansion or building subsidence and compensate for misalignments during installation. We develop products for a wide range of different applications.

Various Bellows Designs

The range comprises various bellows designs that have distinctive product characteristics, bellows geometries, and flange designs.

Sizes

DN 25 to DN 3600 (25 mm to 3,600 mm) in different construction lengths.

Operating pressure

PN 2.5 to PN 25 (2.5 bar to 25 bar), depending on the dimensions and version.

Temperature range

The permissible operating temperature range is between -50°C and +130°C depending on the medium and elastomer quality.

Application Possibilities & Benefits of Rubber Compensators

Absorption of thermal expansion
Vibration damping and noise isolation
Reduction of tension in piping
Equalization of assembly inaccuracies
Equalization of building subsidence
Installation assistance for piping systems

Rubber expansion joints/connecting pipes

Butyl

Elastomer quality for drinking water with approvals in accordance with the Elastomer Guideline, ACS, and WRAS. It can also be used for oil-free wastewater, compressed air (oil-free), weak acids and alkalis, and special chemicals.

Butyl

NR/BR

Special quality for abrasive media, such as muds, granulates and liquids with solid content.

NR/BR

CSM

For acids, alkalis, chemical wastewater (chemical-resistant) and compressor air containing oil.

CSM

CR

Standard quality for cold and warm water, seawater and wastewater (e.g. also slightly acidic, alkaline or containing oil). Also suitable in part for oils and greases.

EPDM

For oil-free chemicals, air and long-term exposure to hot water; offers high temperature resistance. TÜV-certified for heating systems as per DIN 4809.

EPDM

FKM

High-tech quality to withstand aggressive media and fuels with an aromatic compound content of more than 50%; good resistance to chemicals.

FKM

HNBR

Resistant to mineral oils and fuels, lubricants and hydraulic oils, and cooling water with corrosion protection that contains oil. Very good resistance to ozone.

HNBR

NBR

For mineral oils, fuels, fuel-ethanol mixtures, solvents and greases. Not suitable for steam and hot water.

NBR

NBR white

Elastomer quality for foodstuffs in compliance with the RAL directive, oily and greasy foods and, for example, mash, juices, and wines, as well as for desalination.

NBR white

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