GB/T 4056-2008
Ball and socket coupling dimensions of string insulator units (English Version)
- Standard No.
- GB/T 4056-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2020-07
- Replace By
- GB/T 4056-2019
- Latest
- GB/T 4056-2019
- Replace
- GB/T 4056-1994
- Scope
- This standard applies to disc and long rod insulator string components and their metal accessories. The purpose of this standard is to specify the dimensions of the series of standard ball joints using standard locking pins (see IEC 60372-1984 "Locking pins for ball joints of insulator string elements - Dimensions and tests" and Amendment 2:2003), so that To enable insulators or metal accessories supplied by different manufacturers to be assembled together.
GB/T 4056-2008 history
- 2019 GB/T 4056-2019 Dimensions of ball and socket couplings of string insulator units
- 2008 GB/T 4056-2008 Ball and socket coupling dimensions of string insulator units
- 1994 GB/T 4056-1994 Coupling dimensions of suspension insulators for high voltage lines
