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High Voltage Silicon Insulators

High voltage silicon insulators are used for transmission lines 170 kV and 420 kV voltage levels. This type composite insulator is usually used in desert, sea and in regions with high industrial pollution due to the high hydrophobic property and better insulation.

170kV Silicon Insulator              420kV High Voltage Insulator

     170kV 100kN                          420kV 160kN      

Silicone rubber materials providing for the type of high voltage silicon insulators is impenetrable, silicone rubber insulator is ease of installation compared to porcelain insulators and glass insulator and is lighter is preferred due to its advantages.

Orient Power is producing composite insulators with pure LSR (liquid silicon rubber) silicon. All design and type test of composite insulator products are testing international accredited laboratories according to IEC61109 and IEC62217 standards.

Not included in our web site, with different service voltage levels and higher creepage distance insulators can be also manufactured customer’s requirements.

170kV and 420kV composite suspension insulator technical parameters:

Insulator type 170kV 100kN 420kV 160kN

dimensions

L1,mm 1364.40 3100
L2,mm 1606 3400
d1,mm 116 122
d2,mm 90 95
d3,mm 23 27
d4,mm 16 20
d5,mm 17 21
d6,mm 26 30
Creepage distance mm 4250 10500
Wet Power Freq. One Min. Withstand Volt. kV 395 680
Lightning Impulse Withstand Voltage kV 750 1550
Wet Switching İmpulse Withstand Voltage Test kV - 117 5
Tensile Breaking Load kN 100 160

 

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More than 30 years experience in power industry since 1978 as a composite insulator manufacturer in China, advanced manufacturing process, strict quality control test system, ISO certificated, excellent communication, considerate services, enable us to be a leading composite insulator manufacturer of composite insulator and polymer insulator.
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