Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 20642-2006 |
Impulse puncture test in air on insulators for overhead lines |
$274.00 |
via email in 1~3 business day |
valid,,2007-5-1 |
|
GB/T 20876.2-2007 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1000 V—Part 2:Dimensional and electrical characteristics |
$150.00 |
via email in 1~3 business day |
superseded,2015-1-22,2007-8-1 |
|
GB/T 21206-2007 |
Characteristics of line post insulators |
$210.00 |
via email in 1~3 business day |
valid,,2008-5-1 |
|
GB/T 21421.1-2008 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V - Part 1: Standard strngth classes and end fittings |
$240.00 |
via email in 1~3 business day |
superseded,2022-7-1,2008-9-1 |
|
GB/T 21421.1-2021 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 1:Standard strength classes and end fittings |
$225.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
GB/T 21421.2-2014 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V―Part 2:Dimensions and characteristics |
$160.00 |
via email in 1~3 business day |
valid,,2015-1-22 |
|
GB/T 21429-2008 |
Composite insulators - Hollow insulators for use in outdoor and indoor electrical equipment - Definitions test methods acceptance criteria and design recommendations |
$450.00 |
via email in 1~3 business day |
valid,,2008-9-1 |
|
GB/T 22079-2019 |
HV polymeric insulators for indoor and outdoor use -- General definitions, test methods and acceptance criteria |
$480.00 |
via email in 1~5 business day |
valid,,2020-7-1 |
|
GB/T 22707-2008 |
Artificial pollution tests on high-voltage insulators to be used on d.c. systems |
$310.00 |
immediately |
valid,,2009-10-1 |
|
GB/T 22708-2008 |
Thermal-mechanical performance test and mechanical performance test on string insulator units |
$360.00 |
via email in 1~5 business day |
valid,,2009-10-1 |
|
GB/T 22709-2008 |
Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric |
$150.00 |
via email in 1~3 business day |
valid,,2009-10-1 |
|
GB/T 23752-2009 |
Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V |
$510.00 |
via email in 1~3 business day |
valid,,2009-11-1 |
|
GB/T 24622-2009 |
Guidance on the measurement of wettability of insulator surfaces |
$280.00 |
via email in 1~5 business day |
abolished2022-10-01,2022-10-1,2010-4-1 |
|
GB/T 24622-2022 |
Guidance on the measurement of hydrophobicity of insulator surfaces |
$285.00 |
via email in 1~3 business day |
valid,,2022-10-1 |
|
GB/T 24623-2009 |
Radio interference test on high-voltage insulators |
$180.00 |
via email in 1~3 business day |
valid,,2010-4-1 |
|
GB/T 24624-2009 |
Insulated bushings—Guide for the interpretation of dissolved gas analysis (DGA) in bushings where oil is the impregnating medium of the main insulation(generally paper) |
$240.00 |
via email in 1~3 business day |
valid,,2010-4-1 |
|
GB/T 25084-2010 |
Insulator strings and sets for overhead lines with a nominal voltage greater than 1 000 V—AC power arc tests |
$390.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
GB/T 25096-2010 |
Composite station post insulators for substations with AC voltages greater than 1 000 V—Definitions,test methods and acceptance riteria |
$450.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
GB/T 25317-2010 |
Dimensions of clevis and tongue couplings of string insulator units |
$100.00 |
via email in 1~3 business day |
valid,,2011-5-1 |
|
GB/T 25318-2010 |
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests |
$300.00 |
via email in 1~3 business day |
superseded,2020-7-1,2011-5-1 |
|
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