ANSI 52-4 Grey Porcelain Suspension Insulator For Transmission Line especially lower than 132kV
Description:
ANSI 52-4 ceramic disc insulator grey color for South American countries
Technical Specification | Unit | Value | |
1 | Spacing | mm | 146 |
2 | Shed Diameter | mm | 254 |
3 | Creepage Distance | mm | 292 |
4 | Combined M&E Strength | KN | 70 |
5 | Impact Strength | N.m | 6 |
6 | Low Power Frequency Flashover Voltage | ||
dry | KV | 80 | |
wet | KV | 50 | |
7 | Critical Impulse Flashover Voltage | ||
Positive | KV | 125 | |
Negative | KV | 130 | |
8 | Puncture Voltage | KV | 110 |
9 | RIV test Voltage to the Ground | KV | 10 |
Max RIV at 1 MHz | μV | 50 |
we choose high quality materials for parts :
1 Cap and Pins
the cap use high density ductile iron ,every pieces tested qualified after magnetic powder inspection . the pins are made of forged steel .
Both cap and pin are hot galvanized , zinc thickness meet related ASTM standard requirement
2 Porcelain
the insulation part use high aluminum porcelain C120 or C130 , It depends on different E&M requirement . the porcelain surface covered a layer of shinning glaze , color can be grey , brown or white .
3 locking device
tthe material is stainless steel which guarantee insulator string connection very safety .
4 Cement
we use excellent Portland cement make the assembled insulator have very good mechanical performance and the quality more reliable .
Applications:
Suitable for tension string or suspension string in transmission lines 11kV ,33 kV,66Kv,132kV etc. some customers also use the insulators for distribution lines.
Competitive Advantage:
we export huge quantity of such product due to high reliable mechanical & electrical performance , we offer 2years quality guarantee period . high quality deserve your trust !
The porcelain surface are smooth and shinning , have a very good self-cleaning performance . it is easy for maintenance .
if some customer need special design of insulators , we can do that . OEM product are also available .