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138kv Line Post Insulators (FZSW-138/12.5)

Composite line post insulators consist of acylindrical solid insulating core, bearing the mechanical load, protected by an elastomer housing, the loads being transmitted to the core by metal fittings. Despite these common features, the materials used and the construction details employed by different manufacturers may be different.
Line post insulators are often used in braced structures whose geometry varies from line to line. Acombined loading test to reproduce the complex loading cases in such structures is outside the scope of this standard and it would be very difficult to specify ageneral test which covers the majority of geometry and loading cases. In order to give some guidance, annex Bexplains how to calculate the moment in the insulators resulting from combined loads. This moment can then be equated to an equivalent bending load or stress for design purposes.


Advantage:

1,Certificated by IEC ANSI GB ISO9001

2, We can design and produce according to the drawings.

3, we supply insulators with reliable quality reasonable price and good service.

4,High mechanical strength

5,Good performance of hydrophobicity and antipollution.

6,Excellent electrical specification

7,Small volume and light weight

8,The design of shed adopted unique aerodynamics principle

9,The end seal adopted the high temperature sulfuration to ensure the reliable sealing performance of the metal fitting


Features:

1,Ending fitting: The fitting connection adopts the zinc cover protection ,supersonic monitor and coaxial constant compression controlled by computer finished with good appearance and high quality.

2,The sillicon rubber rain shed ,designed according to the aerodynamics principle ,use the whole-molding method,to make sure the validity of total creepage distance under every climate and nasty conditions, as well as improve the pollution discharge of the insulators.

3,Fiber Rod:use the ECR high-temperature and acid-proof fiber rod.

4,The end fitting uses maze type waterproof design,and out-cover rubber process, which enhance the product waterproof greatly



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