What materials are used for the grading ring?

It is made of high-quality aluminum alloy with integrated casting and polishing process.

Lightning Protection Aluminum Grading Ring

Name: Lightning Protection Aluminum Grading Ring
Brand: Hebei Hongdu Technology Co., Ltd.
SKU: 2158799132

Hebei, ChinaHebei Hongdu Technology Co., Ltd.

US$4.00

50 Pieces

Product specifications

FJH

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Cast Aluminum

Model NO.

FJH

Structure

Insulator Fittings Grading Ring

Type

Insulator Fittings

Usage

High Voltage Power Transmission

Connection Method

Spherical Type

Size of Bearing Capacity

110kv

Certification

ISO9001

Color

Silvery White

Brand

Application Sites

High Voltage

Product Advantages

Light Weight Reduces Strong Anti-Corrosion

Main Functions

Uniformly Distribute The Electric Field Along Insu

Configuration

Single-End / Double-End / Closed Ring / Semi-Ring

Transport Package

Carton

Specification

FJH

Trademark

Origin

China

Key features

Corona Suppression: Optimizes electric field distribution to suppress corona discharge and radio interference.

High Corrosion Resistance: Made of high-strength aluminum alloy with anti-oxidation and UV resistance for long service life.

Lightweight Design: Integrated casting molding ensures high structural strength while reducing overall weight.

ISO9001 Certified: Manufactured under strict ISO9001 quality management standards for reliability.

Versatile Configuration: Available in Single-End, Double-End, Closed Ring, and Semi-Ring configurations.

Wide Voltage Range: Suitable for 70kN to 210kN bearing capacities across 110kV to 500kV transmission lines.

Company profile

Importers and ExportersQuality AssuranceStandardized quality control100% Finished Products Inspection

Hebei Hongdu Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2026-03-01Nearest Port: tianjinAverage Response Time: ≤2.48hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): Others, EXW

About Our Factory & Business Background

AddressNo. 6, Changqi Road, Louzi Village, Liangzhao Town, Renqiu City, Cangzhou, Hebei, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsTerminal, Cable Clamp, Spacer Damper

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Do you provide after-sales service overseas?

Yes, we have partnered service centers in key regions.

Q:Can I request a customized bucket size?

Absolutely! We offer tailored attachments.

Q:What documents do you provide for export?

Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q:How do I place an order?

Q:What is the main function of the grading ring?

It uniformly distributes the electric field along insulator strings to prevent aging and improve insulation performance.

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