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Rubber Expansion Joint

Expansion joints are devices that are used for piping systems in order to absorb thermal expansion or terminal movement. As the climate conditions change, these units are flexible to expand and contact from hot to cold. Transverse and angular movements are also capable to be accommodated; hence, the operation of the system remains functional. Expansion joints can also be used as flange transition pieces as concentric and eccentric reducer.

SLP focuses only in rubber expansion joints which are the ideal solution for the inflexible piping system. These units are made of natural or synthetic elastomers and supported with metallic reinforcement.

The advantages of SLP rubber expansion joints:

  1. Prevent stress due to expansion and contraction
  2. Protect against noise and vibration transfer
  3. Greater recovery from movement
  4. Compensate for misalignment
  5. Simple installation process
  6. Small space requirements
  7. Non-corrosive material
  8. No electrolytic risk
  9. Can accommodate pressure up to 300 psi

We produce rubber expansion joints using different materials for different applications. The classification using colour coding is as follow:

Colour code

Material*

Main Applications

Max. temperature (oC/oF)

Yellow

Nitrile

Oil and gas transportation, refineries

90/194

Red

EPDM

Hot water, heating and ventilation system

100/212

Black

Neoprene®

Sea water. Water cooling system

90/194

Red/red

Viton®

High temperature applications, transportation of products derived from petroleum

160/320

Green

Hypalon®

Chemical plants, transportation of strong acids (except nitric or sulfuric acid)

100/212

Blue/white

Butyl HT

High temperature especially for gases

150/302

White

Nitrile

Transportation of foodstuff, potable water distribution

80/176

(*) Temperature resistance is dependent on the system pressure.

Other rubber types, such as natural rubber, can be supplied based on request.

 

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