What voltage and current range does the High-Voltage Insulation Tubes cover?

Catalogue voltage range: 110kV ～ 800kV; current range: Customized according to design. Confirm the rating of the specific model and drawing.

Which standards are referenced?

Catalogue standard reference: IEC 62271-203 / GB/T 7674 / DL/T 555. Request type-test evidence for the specific model.

Which applications is it used in?

GIS & GCB Gas-Insulated Switchgear.

Is a product catalogue available?

Yes. GIS Insulation Tube & Rod Catalog.pdf can be downloaded from this page.

Home Products GIS Insulation Tube & RodHigh-Voltage Insulation Tubes

HIT110kV ～ 800kV

Review model drawings and test evidence

GIS Insulation Tube & Rod

High-Voltage Insulation Tubes

110kV-800kV High-Voltage Composite Insulation Tubes with Customizable Surface Painting, Openings & Flanges

Rated Voltage110kV ～ 800kV

Rated CurrentCustomized according to design

Insulation TypeFiberglass, Aramid Fiber & Polyester Fiber Composite

Catalog standardIEC 62271-203 / GB/T 7674 / DL/T 555

PD requirementConfirm by model

Test evidenceRequest with RFQ

Buyer requirement checklist

Review dielectric duty, mechanical motion and mating interfaces together.

Cylinder or rod drawing, ID/OD and overall length
End fittings, push-pull/torsion load and stroke
Gas environment, voltage and dielectric requirements
Inspection and acceptance plan for the assembly

IEC 62271-203 covers complete AC GIS assemblies above 52 kV; component tests and acceptance must be agreed in the drawing.

GIS tubes and rods catalog (PDF)

Prepare Engineering Inquiry View product document (PDF)

Product Technical Overview

High-Voltage Insulation Tubes EONOVA supplies high-voltage insulation tubes designed for electrical insulation applications in high-voltage equipment. Manufactured using composite materials such as fiberglass, aramid fiber, and polyester fiber, these tubes are available in different configurations to meet specific customer requirements. The products can be supplied with or without surface painting, depending on the application and technical specifications. Customized tube dimensions, openings, and end-fitting configurations can be discussed based on customer drawings and equipment requirements. Key Features: • Available in fiberglass, aramid fiber, and polyester fiber • Optional surface painting or unpainted finish • Composite construction for high-voltage insulation applications • Various structural designs and opening configurations • Customized dimensions and end fittings, subject to technical requirements

// CUSTOM SOURCING & ENGINEERING SPECInquire Now

EONOVA supplies customized high-voltage insulation tubes with tailored dimensions, machining openings, and flange configurations based on customer drawings and specifications. EONOVA – Your Sourcing Partner for High-Voltage Insulation Components from China.

Compatible Substation Apparatus

High-voltage electrical equipmentCircuit breakers and switching equipmentCustomized insulation assemblies, subject to design requirementsGIS shunt capacitors and busbar supports

Catalog document (PDF)

Check the document model and revision; final dimensions require approved drawings.

View PDF

Showing 8 of 8 models

Catalog values are representative. Confirm the selected model, drawings and test evidence during inquiry.IEC 62271-203 covers complete AC GIS assemblies above 52 kV; component tests and acceptance must be agreed in the drawing.

Parameter	Specification
Rated Voltage	110 kV ～ 800 kV (As specified in product catalog)
Material System	Fiberglass, Aramid Fiber, Polyester Fiber + Cycloaliphatic Epoxy
Surface Finish	Optional surface painting (polyurethane/epoxy) or unpainted finish
Structural Design	Smooth cylinder, ribbed corrugated walls, custom window/slot cutouts
End Interface	Customized aluminum or stainless steel flanges, threaded or bolted
Partial Discharge	≤ 0.5 pC (at 1.2x rated operating voltage)
Machining Tolerance	CNC precision within ±0.05 mm
Standard Compliance	IEC 62271-203, GB/T 7674, DL/T 555

Custom Engineering & Flange Dimensions Note:

Dimensions, interfaces and replacement compatibility require approved drawings and technical review.

Engineering Inquiry Draft

Request Quotation for High-Voltage Insulation Tubes

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High-Voltage Insulation Tubes: FAQ

What voltage and current range does the High-Voltage Insulation Tubes cover?: Catalogue voltage range: 110kV ～ 800kV; current range: Customized according to design. Confirm the rating of the specific model and drawing.
What insulation or construction is used?: Fiberglass, Aramid Fiber & Polyester Fiber Composite.
Which standards are referenced?: Catalogue standard reference: IEC 62271-203 / GB/T 7674 / DL/T 555. Request type-test evidence for the specific model.
Which applications is it used in?: GIS & GCB Gas-Insulated Switchgear.
Is a product catalogue available?: Yes. GIS Insulation Tube & Rod Catalog.pdf can be downloaded from this page.