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ERV-G Yellow Band Expansion Joints

DESCRIPTION

YELLOW BAND expansion joints suitable for petroleum based products with aromatic content up to 50%, fuels ( ethanol content up to 85% ), aviation fuels, town gas and natural gas except liquefied petroleum gas. Temperature range ( depending on medium ) – 20° C up to + 90° C, temporarily up to + 100° C. Electrically dissipative.

MATERIALS OF CONSTRUCTION

  • Liner : NBR (nitrile), seamless, abrasion resistant
  • Reinforcement : PA textile cord
  • Cover : Chloroprene CR
  • Marking : Yellow band, ERV DN.., PN .., production date
  • Flanges: Swiveling, DIN PN 10/16, carbon steel, zinc plated

RANGE OF MOVEMENT TYPE ERV-G

INSTALLATION NOTES

Application: in piping with thread connections, e.g. building services.

Installation note: Expansion joints must not be subjected to torsional stress during installation and operation.

  1. When installing, first screw both thread connections (3) to pipeline.
  2. Make sure that union nuts (2) are always installed together with thread connections.
  3. Then place bellows with rear bellows mounts (1) between thread connections (3) and screw together with union nuts (2). While doing so, hold the bellows against the rear bellows mounts with a suitable open-end wrench to prevent torsion.

Attention: inner surfaces (A) of rear bellows mounts (1) and union nuts (2) must be congruent.

Technical Info

UNIT C, Spring Lane, Northampton, NN1 2JW

+44 (0)1604 621 964
[email protected]

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