High Density Cap 160KN ANSI U160BL Porcelain Suspension Insulator

ANSI XP3-160/U160BL cap and pin suspension porcelain insulator/brown

Description:

1. the insulator cap are made from high density malleable iron , each piece of caps are well tested with magnetic powder testing .
The insulator cap surface are hot galvanized , Min. zinc thickness are more than 85μm . the galvanization surface are smooth and shinning , and without of any defect.
2. The insulation parts are made of high aluminum porcelain C130 . the porcelain surface covered a layer of hard glaze , color brown , we can also produce such product with color white , grey or as per customer's specifications.
3. the material​ of locking device are stainless steel , its function is to guarantee insulator connection with related hardware very firmly .
4. Cementing material are Portland cement to assemble porcelain body and related cap .​ even after years of servicing , the cement still keep good performance.

Specifications:

1) Creepage distance: not less than 340mm
2) Electromechanical failing load:160KN
3) Wet power frequency withstand voltage: 45KV
4) Lightning impulse withstand voltage: 100KV
5) Power frequency puncture voltage: 130KV

Technical requirements:

1. Porcelain metal cap, steel foot and porcelain upper part surfaces which are in contact with cement shall be coated with a film of thin bitumastic paint. 
2. Standard: product drawing, GB1001-86 (cap and suspension insulator technical requirements), GB7253-87
3. Cement adhesive shall conforms to JB4307-86
 

Applications:

This cap and pin suspension porcelain insulator is used for overhead transmission lines.