GB/T 772-2005
Technical specifications of porcelain element for high voltage insulators (English Version)

Standard No.

GB/T 772-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 772-2005

Replace

GB 772-1987

Scope

This standard specifies the technical requirements, general requirements for testing, packaging and marking of high-voltage insulator porcelain parts. This standard is applicable to insulator porcelain parts used on overhead power lines, electrical installations and equipment of AC systems with a standard voltage higher than 1 000 V and a frequency not exceeding 100 Hz. This standard does not apply to porcelain pieces working in medium (gas or liquid) that can damage porcelain and glaze.

GB/T 772-2005 Referenced Document

• GB/T 1182-1996 Geometrical tolerancing--Generalities, definitions, indications on drawings
• GB/T 191-2000 Packaging-Pictorial marking for handling of goods
• GB/T 775.1 Test method for insulators.Part 1: General test methods*， 2006-02-15 Update
• GB/T 775.2 Test method for insulators Part 2: Electrical test methods
• GB/T 775.3 Test method for insulators.Part 3:Mechanical test methods*， 2006-02-15 Update

GB/T 772-2005 history

• 2005 GB/T 772-2005 Technical specifications of porcelain element for high voltage insulators
• 1987 GB 772-1987 Technical specification of porcelain element for high voltage insulators

GB/T 772-2005 Technical specifications of porcelain element for high voltage insulators has been changed from GB 772-1987 Technical specification of porcelain element for high voltage insulators.