High Voltage Transformer Bushings production

GB BLQ-10/315 Transformer Bushing Insulator 10kV

Name: GB BLQ-10/315 Transformer Bushing Insulator 10kV
Brand: Risheng PX

GB BLQ-10/315 transformer bushing insulator for 10kV

High Voltage Transformer Bushings

Product Overview

A Chinese National Standard GB BLQ-10/315 transformer bushing rated 10 kV, 240 mm tall and 115 mm in diameter. Creepage is 180 mm with a 165 mm arcing distance, and the bushing weighs 1.7 kg. It is the high voltage member of the GB bushing pair, matched to the GB B-1/315 on the low voltage side of the same transformer.

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Key benefits

Why Buyers Choose This Part

GB National Standard pattern matched to the B-1/315 LV bushing
180 mm creepage against a 165 mm arcing distance at 10 kV
1.7 kg unit weight for a 10 kV class bushing
240 mm height suits compact transformer covers

Application scenarios

Where It Is Used

High voltage side of GB standard distribution transformers at 10 kV
Projects specified against Chinese National Standard
Transformer builds pairing GB HV and LV bushings
Replacement of installed BLQ-10/315 bushings

Who it is for

Who It Suits

Transformer manufacturers building to GB standards
Buyers on GB-specified export projects
Distributors supplying GB pattern bushings

Problems it solves

What Goes Wrong Without The Right Part

GB pattern HV parts not carried by DIN and EN focused suppliers
Mismatched HV and LV bushing standards on one transformer
Height clearance limits on compact transformer covers
Creepage figures that do not match the GB drawing

Technical features

How It Is Built

Chinese National Standard GB BLQ-10/315
Rated voltage 10 kV
240 mm height
115 mm diameter
180 mm creepage distance
165 mm arcing distance
1.7 kg weight

Specifications

Published Figures For This Product

Every value below comes from the manufacturer data for this item. Figures not listed are confirmed against the drawing before an order is placed.

Voltage	10 kV
Height	240 mm
Diameter	115 mm
Creepage Distance	180 mm
Arcing Distance	165 mm
Weight	1.7 kg

Materials

Electrical porcelain shell
Copper or aluminium alloy conductor

Manufacturing

Process

Forming
Glazing
Firing
Conductor assembly
Routine electrical test

Quality control

Testing

Creepage verified against the 180 mm figure
Arcing distance checked at 165 mm
Dimensional check on the 240 mm by 115 mm envelope

Certifications

Certification

Chinese National Standard GB pattern
ISO 9001 quality management system

Customisation

Customisation Options

GB B-1/315 available for the low voltage side
Special lengths and screw sizes to specification
Produced to drawing or sample

Comparison

How It Compares

GB B-1/315	The B-1/315 is the 1 kV LV part at 105 mm high with 85 mm creepage and 0.29 kg. The two are normally ordered together for one transformer.
DIN 10NF250A	A comparable 10 kV class bushing on the DIN pattern with a C110 alumina body and choice of glaze colour. Order by the standard on your drawing.

Use guide

Before You Order And After It Arrives

Order the matching B-1/315 for the LV side of the same transformer
Check the 115 mm diameter against the terminal board opening
Allow for the 240 mm height above the cover
Keep the creepage surface clean in outdoor service

Questions