Rail Fastenings Systems

SD DEE

The SD DEE is a double-stage elastic fastening system designed to reduce structure-borne noise and vibrations produced by rail and wheel contact.

SD DEE product overview

The system is optimised for slab track and is suitable for tramway and metro applications.

  • SD DEE baseplates can be installed in into fresh dry concrete, using innovative slab track construction techniques.
  • The top-down wet pour method is also supported. Our unique air evacuation system prevents the occurrence of trapped air under the baseplate.

Benefits of the SD DEE

01

Preassembled

The system is delivered completely preassembled, from anchoring dowels to fastenings

02

Versatile

Can be dismantled for inspection and maintenance purposes, and can also be modified in-situ for stiffness adjustment where required.

03

Cost-effective

The lightweight and compact nature of SD DEE composite material baseplates support cost-effective construction for tram LRT and metro infrastructures

Technical features of the DEE SD

01

Compatible

SD DEE is compliant with EN Standard 13481-5 categories A and B

02

Versatile

Suitable for all track construction types

03

Vertical and lateral adjustments

SD DEE provides vertical height adjustment of +20 mm, and lateral adjustment of +/- 5 mm

04

Reduced noise and vibration

Vertical stiffness is typically 25 kN/mm, providing reduced noise and vibration transmission

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