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    • Long Rod Composite Insulators For Overhead Contact System Of Electrified Railways - China

    price: 20.00 Dollar US$

    Long Rod Composite Insulators For Overhead Contact System Of Electrified Railways

    Products Photos Catalog Rod Composite Photos Catalog

    What is a railway insulator?

    The railway insulator is an insulator product suitable for electrified railway tunnels with complex operating conditions.

    It is installed between steel rail and tie plate, for adjusting rail gauge and electrically insulating railroad rails, rail clips and rail bolts from the interior of a concrete sleeper.

    It can effectively prevent pollution flashover accidents and reduce the workload of cleaning and maintenance.

    Due to its small size, especially when the tunnel clearance is small, it is irreplaceable for ceramic insulator and glass insulators.

    Why insulated?

    Rails are main parts of the rail tracks.

    They lead the train and transfer the pressure of the wheels to the sleepers.

    It must have a continuous smooth surface with minimum resistance.

    Currently in the electrified railways or automatic block zone the two rails double as signal lines of track circuits and loop line for locomotive traction.

    So rails must be insulated in case of stray current interference.

    Usually insulators and insulated rail joints are used in rail tracks.

    What are the types of railway insulators? The following is the classification method of railway insulators: 1 - Classification by structure

    Insulators are divided into: column (post) insulators, suspension insulators, pin insulators, butterfly insulators, tension insulators, anti-fouling insulators and bushing insulators.

    In addition, the cross arm can be regarded as a generalized insulator.


    Company Contact:


    • Phone: 13823264346

    • Address: Rm. 2508 Cloud Center No.1Building, Xiangyang North Street, Gaokai District, Baoding , Hebei , China

    • Email: Email

    Published date: July 15, 2022

    • Business Description: Founded in 1986, SAA Grid Technology Co., Ltd is a national high-tech enterprise and one of the most powerful composite insulator manufacturers in China.

      We manufacture the following products: 110kV-1000kV composite long rod insulators, 11kV-230kV composite line post insulators, 11kV-800kV composite station post insulators, 27.5kV composite railway insulators; surge arresters, drop-out fuse cutout, disconnectors and other electrical products.

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