Silicone Rubber Pin Insulator
Products Description
What is The Polymer Pin Insulator ?
Composite Insulators – Reliable, Durable, Efficient
Composite insulators use high-strength epoxy glass fiber cores and silicone rubber sheds. Their mechanical strength exceeds that of steel and porcelain, while the triple-layer shed design enhances pollution resistance and prevents flashover.
The unique shed geometry avoids continuous water films, reducing leakage currents and thermal effects. Even under lightning strikes, the silicone sheds remain intact with visible burn marks-making inspections easier.
After electrical testing, including immersion, flashover, and withstand voltage, all results met standards. Given stable local temperatures, thermal cycling tests were deemed unnecessary.
Conclusion: Pin-type composite insulators offer a robust, maintenance-friendly solution to minimize power line failures.
Technology First
Dimensions:
Height:460±15mm
Min. Dry Arcing Distance:390mm
Creepage distance:1170mm
Diameter of the rod:φ45mm
Number of sheds:13
Raw Materials:
End-fitting Material: Forged steel or cast steel, Hot dip Galvanized.
Minimum Thickness of the Galvanization:86um
Core material: Epoxy&Glass Fiber
Diameter:φ45mm
Weather sheds Material: HTV Silicone.
Color:Gray
Mechanical:
Specified Cantilever Load(SCL):10kN
Maximum Design Cantilever Load:5kN
Electrical:
Rated Voltage:36kV
Lightning Impulse Withstand Voltage:185kV
Wet Power Frequency Withstand Voltage:80kV
FAQ
1. Where is your factory located? How can I visit there?
Our factory is located in Wuhan City,Hubei Province, China.
We are also pleased to arrange an online video factory audit whenever it is convenient for you.
2. How's the delivery time?
Usually it will take about 30~60 days for production.
For small-volume orders, the delivery time can be 1 to 2 weeks depending on the available materials in our warehouse.
3.What's your main products?
High Voltage Insulator / Medium Voltage Insulator:Suspension Polymer Insulator, Post Line Polymer Insulator, Substation Insulator, Railway Insulator, Pin Insulator.
4.Do you have type test report for polymer insulators?
Yes, we have several type test reports for polymer insulators across different voltage ratings.
All reports are issued by an independent laboratory certified by CNAS.
5.Are you a manufacturer or a trading company?
We are a professional manufacturer of composite insulators, with our own R&D team and production facilities.
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