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The most reliable 10kV - 1100kV composite / polymer insulator supplier from China
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high voltage polymer pin insulator of 11kV 15kV 20kV 22kV 25kV 33kV 36kV pin insulator

China Kayi Industrial Co., Ltd.
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China Kayi Industrial Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Tel: 86-755-26927358
Contact Person:
Mr Warren

high voltage polymer pin insulator of 11kV 15kV 20kV 22kV 25kV 33kV 36kV pin insulator

Brand Name : Changgong
Model Number : 11-36kV pin insulators
Certification : Type test reports design test reports
Place of Origin : China
MOQ : No limitation
Price : 10-50 USD per piece
Payment Terms : L/C, D/A, T/T
Supply Ability : 60000 pieces per month
Delivery Time : 10-90 days
Packaging Details : Cartons, wooden boxes
Products Name : 11kV-35kV(33kV) polymer pin insulator
Application : 11kV -35kV(33kV) overhead distribution lines
Package : Cartons, wooden boxes
Type : FPW-11/4 to FPW-35/8
Material : Polymeric or composite
Standards : IEC 61109/ANSI
Color of the product : Any color required by the clients
Tests : All were design tested and type tested
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1,All the 35kV(33kV) distribution lines
Competitive Advantage:

The advantages of polymer/composite insulators over ceramic/porcelain insulators
General comparison
FactorCeramic/porcelain insulatorsPolymer/composite insulators

Heavy weight- For example
400kV - about 140kgs

90% lighter than them but with same mechanical strength
400kV -- Around 15kgs

FragilityHighly fragility to shock and vibrationNo fragility to shock and vibration
Packing and transportationRisky and very costlyEasy and economical
InstallationRisky expensive and more labor requiredVery easy and economical
Maintenance costVery expensiveLow
VandalismMore susceptibleHighly resistant
Breakages and secondary damageHighly fragile- 10-15% breakages are reported during transportation storage and installationFlexible and therefore highly resistant to breakages
Technical comparison
Mechanical failureReduction in mechanical strength and separation during to pings getting erodedJust with single piece, so no such kind of problem
Resistance to flashover and puncturesLowHigh
Anti tracking and erosion resistanceVery low- poor tracking resistanceExcellent tracking resistance avoids erosion or tracking of the housing material
Dielectric strengthLower than polymerExcellent insulation performance
Contamination and pollutionHighly effectedNot effected and has much longer life
HydrophobicityNo hydrophobicity, ceramic surface forms water films on the surface making easy path leading to more flashoverVery excellent hydrophobicity
Self cleaning qualityNo, dirty sand salt snow etc are easily attractedYes, due to hydrophobicity recovery characteristics
Tension strengthGoodBetter during crimping technology
MaintenanceNeeds maintenance like cleaning washing and greasingNot required at all

Products Name35kV(33kV) polymer pin insulatorApplication35kV(33kV) overhead distribution lines
Color of the productAny color required by the clientsPackageCartons, wooden boxes
StandardsIEC 61109/ANSITypeFPW-35/4 to FPW-35/8
MaterialPolymeric or compositeTestsAll were design tested and type tested

35kV(33kV)polymer pin insulators as an example:

Figure. NoModelRated VoltageSpecified Cantilever LoadSection Length

Insulating length

Shed diameters

Minimum CreepageBottom Screw

Full-Wave Impulse Withstand Voltage (Peak)

1 Min Wet Power Frequency Withstand VoltageWeight (for Reference)











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