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220kv Polymer Tension Insulator

220kv Polymer Tension Insulator

our main product include various kinds of 220kv polymer tension insulator which are widely applied to transmission, distribution and substation used in urban & rural power grip and utilities.

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Product Details

1.Sizes and Technical data of 220kv polymer tension insulator

      Type

Rated voltage

(kV)

Rated mechanical bending failling load(kN)

Structure height

(mm)

Min nominal creepage distance

(mm)

1min power frequency wet withstand voltage (kV)

Full wave lightning impulse withstand voltage peak value (kV)

 FXBW4-220/160

    220

      160

   2240±30

      6300

       395

      1000

 

2.Materials of 220kv polymer tension insulator

1.The Composite Insulator are made of glassfiber epoxy core rod, silicone rubber shed and metal fittings.
2.The silicon rubber shed adopt the whole packing pressure technique, and then to solve the key problem - interface electric spark puncture, which would affect the reliability of composite insulator.
Connection of the glassfiber rod and metal fittings, adopts the pressure welding technique of the international advanced level, 

Why choose 220kv polymer tension insulator

1) ISO9001,SGS,Gold golden supplier. 
2) Monthly Production Capacity -- 100000 Pcs. 
3) All goods examined before delivery by 10 QC staff. 
4) Prompt Reply Within 12 Hours.
5) 8000 square meters work environment.



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