It is a set of devices that are used to connect two parallel lines. This type of turnout makes it possible to cross one line from another, left or right degrees. Samples of this needle, which is manufactured by Irid company, have been used in the metros of Tehran, Tabriz, Qom, Kermanshah, Mashhad, Karaj, Isfahan, …
A set of devices that guide the train from a straight track to a branching track.
The Turnout consists of a set of forged, cast, machined, welded, etc. parts.
The connection system in the needle consists of a screw, a variety of spring washers, spring ties, etc.
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