Insulated Rail Joint

Insulated Rail Joint is a special rail joint for track circuit, railway track portion need to be monitored with track circuit, insulated rail joint helps isolate electric current from rail tracks for each track circuit.

Insulated Rail Joint is a special rail joint for track circuit, railway track portion need to be monitored with track circuit, insulated rail joint helps isolate electric current from rail tracks for each track circuit. In railway tracks, it is required for insulated rail joint to be installed at each track end part and crossings. While it doesn’t apply to in railways with Audio and High frequency Track Circuit. http://www.railroadpart.com/rail-joints/insulated-rail-joints.html

High efficiency of the insulating rail joint install can be achieved in many ways: since the installation is not subject to changes in weather, insulating rail joint can be directly installed on-site in the track with very short time.

Different types of insulated rail joint are developed for different rail sections. There are three types of Insulated rail joints or Block joints which are presently in use as given below.

  • Wooden Rail Joint - Which are made wood with special treatment and used in yards where speed of train is slow.
  • Plastic Rail Joint- Raw material of plastic rail joint is mostly Nylon 66. They are also called Nylon insulated rail joint.
  • Glued Insulated Rail Joint – It has been designed for use in main line for high speed trains. It can avoid failures of insulation joints particularly in long welded rails. There are two types of glued joints: 4 holes and 6 holes.

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Insulated Rail Joint,