Dalian Hivolt Power System Co.,Ltd
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Ceramic Disc Type Insulator , Porcelain Products Insulators Anti Fog

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Dalian Hivolt Power System Co.,Ltd

No.2804, 75 Huili Street , Ganjingzi District, Dalian China Dalian Liaoning
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Quick Information

  • Brand Name: HIVOLT
  • Place of Origin: China
  • Model Number : U210B with zinc sleeve



Technical Specifications of IEC standard ceramic disc insulator U210B with zinc sleeve for 330kV transmission line

Technical Data Sheet

  Technical Specification Unit Value
1 Spacing mm 170
2 Shed Diameter mm 300
3 Creepage Distance mm 380
4 Coupling Size   24
5 Rated M&E Strength KN 210
6 Impact Strength N.m 10
7 Power Frequency Withstand Voltage    
  dry KV 70
  wet KV 45
8 Lightning Impulse Withstand Voltage    
  Positive KV 105
  Negative KV 105
9 Puncture Voltage KV 130
10 RIV test Voltage to the Ground KV 10
  Max RIV at 1 MHz μV 50

HIVOLT suspension insulators choose high quality materials for parts :

1 the insulator cap use high density ductile iron ,we test each pieces with magnetic powder inspection method . all the insulator pins made of forged steel .the bonded arec between  zinc sleeve and pin are more than 85% , the zinc sleeve will offer a good protection of insulator pins ,  it can extended insulator working life .

metal fittings surface hop-dip galvanized , coating thickness meet IEC 60383 standard.

2 we manufacture ceramic parts with high aluminum porcelain C130 . the porcelain surface covered a layer of shinning glaze , color can be grey , brown or white , it depends on customer's requirement.

3 the cotter key made of stainless steel which guarantee insulator string connection locked firmly  .

4 we use Portland cement  code 525 #  make the assembled insulator have very good mechanical performance and good plastic character during hot & cold temperature shift .


the insulator can be used for  tension string or suspension string in transmission lines , for example : 220KV,330KV, 400KV,500KV,750KV etc.

Or for substations.

Competitive Advantage:

we offer 2 years quality guarantee . high quality deserve your trust !

The porcelain glaze  have a very good self-cleaning performance . it is easy for maintenance .

we offer very fast delivery , if the product are exactly same in stock , we can send it immediately . 

We can design insulators based on customer’s requirement , so just let us know what you want , we will provide exactly product to meet your need.

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