What is the nominal diameter of the U70BL insulator?

The nominal diameter is 255 mm.

How does the insulator handle emergency conditions like storms?

The cap, pin, and fittings can mutually rotate to ensure uniform stress on the transmission line, avoiding string cracks.

U70BL Long Service Life Glass Insulator for Electric Utility Infrastructure

Name: U70BL Long Service Life Glass Insulator for Electric Utility Infrastructure
Brand: Nanjing Rainbow Electric Co., Ltd.
SKU: 2275072045

Jiangsu, ChinaNanjing Rainbow Electric Co., Ltd.

US$2.00-7.00

100 Pieces

Sample price:US$7.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Toughened Glass

Model NO.

70 kN

Structure

Suspension Insulator

Type

B Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Connection Method

Trough Type

Size of Bearing Capacity

70KN

Certification

CE, ISO9001

Color

Green

Brand

NJREC or OEM

Cap Material

Galvanized Steel

Surface Treatment

Hot DIP Galvanized

Nominal Diameter

255 mm

Nominal Structure

146 mm

Minimum Nomial Creepage Distance

320 mm

Connect tag

16W

Coupling

Delivery

Sea

Delivery Time

15 Days

Transport Package

Carton/Wooden Pallet

Specification

Customized

Trademark

NJREC or OEM

Origin

Nanjing, China

HS Code

85469010

Production Capacity

500000 Pieces/Year

Key features

High Strength & Light Weight: Advanced cylinder head structure ensures high strength, small size, and lightweight design.

Extended Creepage Distance: Nominal structure of 146 mm with a minimum creepage distance of 320 mm for superior insulation.

Anti-Crack Rotation Design: Cap, pin, and fittings rotate mutually to distribute stress and prevent string cracks during emergencies.

Corrosion Resistant Material: Galvanized steel caps with hot-dip galvanized surface treatment for long service life.

Certified Quality Assurance: Products are certified with CE and ISO9001 standards for reliability and safety.

Versatile Application: Suitable for high voltage, ultra high voltage, and extra high voltage AC/DC transmission lines.

Company profile

Nanjing Rainbow Electric Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2002-02-10Nearest Port: Shanghai Port, China, Nanjing Port, China, Ningbo Port, ChinaAverage Response Time: ≤1.74hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW

About Our Factory & Business Background

AddressNo. 396 Heyan Road, Nanjing, Jiangsu, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsTransformer Bushing, Porcelain Insulator, Composite Insulator, Condenser Bushing, Glass Insulator, Insulation Materials, Wall Bushing, Porcelain Bushing, Tap Changer