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Unipart Rail Ltd - DORMAN Signalling Success

29th October 2007

Unipart Rail company, Dorman, has now manufactured and installed over 14,000 LED signals for installation on the UK rail network. Dorman LED signalling is now an established standard in UK signalling.

Technical Success

The Dorman LED signalling succeeded through a range of technological innovations that:
  • Effectively deals with phantoming
  • Maintains constant light output over time
  • Accurately matches the correct signal colours
  • Enabling a single aspect to show up to three signal colours
  • Extends product life with reduced maintenance
  • Improves whole-life costs

These innovations directly support Network Rail’s challenges to the industry to create a:

  • Safe railway
  • Reliable railway
  • Easily maintained railway
  • Energy efficient & sustainable railway

Colour Light Signals

The development of the Colour Light Signal (CLS) meant that the West Coast Route Modernisation programme could utilise the technology on the WCRM upgrade, and there are now over 840 CLS and over 200 GPL signals now installed on the WCRM.Using a unique optical arrangement the possibility of phantom aspects is greatly reduced. The built in sighting scope, combined with the reduction in overall size and weight means the signal can be installed into many restricted and difficult to site locations. Dorman LED signals provide a robust aluminium modular design that is fully maintainable from a place of safety. A complete range of spares and accessories have been produced to further optimise the effect of each installation.

LED Wig – Wag

The Unipart Rail LED level crossing Wig-Wag has been approved by both the HMRI and Network Rail for introduction to new crossings and all renewals and upgrades.Manufactured by Unipart Rail, the LED level crossing Wig-Wag is compliant with EN 12368:2000 as defined in TR 2206. The LED signalling solution provides increased safety and reliability thereby greatly reducing maintenance costs.Additionally the units are vandal resistant and as they are LED in construction they provide a long and predictable service life.Although it is mandatory that after 1 February 2008 all installations should be fitted with the new LED Wig-Wags, orders can be placed immediately for upcoming projects

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