2025-12-6 216.73.216.21
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Code of China
Chinese National Standard List: Insulator

GB/T 44179-2024 Composite hollow core station post insulators with a.c. voltage greater than 1 000V and d.c. voltage greater than 1 500V - Definitions,test methods and acceptance criteria 
  Issued on: 2024-07-24   Translation Price(USD): 435.0
GB/T 4585-2024 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c.systems 
  Issued on: 2024-06-29   Translation Price(USD): 585.0
GB/T 24622-2022 Guidance on the measurement of hydrophobicity of insulator surfaces 
  Issued on: 2022-03-09   Translation Price(USD): 285.0
GB/T 4109-2022 Insulated bushings for alternating voltages above 1 000 V 
  Issued on: 2022-03-09   Translation Price(USD): 825.0
GB/T 1001.1-2021 Insulators for overhead lines with a nominal voltage above 1 000V—Part 1:Ceramic or glass insulator units for a.c.systems—Definitions,test methods and acceptance criteria  
  Issued on: 2021-12-31   Translation Price(USD): 780.0
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  
  Issued on: 2021-12-31   Translation Price(USD): 225.0
DL/T 1580-2021 Technical specification for core of composite insulators in a.c. or d.c. system 
  Issued on: 2021-12-22   Translation Price(USD): 195.0
DL/T 1244-2021 Artificial icing flashover test methods on high voltage insulators to be used in AC/DC system 
  Issued on: 2021-12-22   Translation Price(USD): 330.0
DL/T 2386-2021 Technical specification of composite insulator with optical fiber 
  Issued on: 2021-12-22   Translation Price(USD): 900.0
DL/T 2387-2021 Technical specification for composite line post insulators of 10 kV~35 kV transmission lines 
  Issued on: 2021-12-22   Translation Price(USD): 270.0
DL/T 2388-2021 Composite line post insulators for AC overhead lines with nominal voltage higher than 1000V - Definition, test methods and acceptance criteria 
  Issued on: 2021-12-22   Translation Price(USD): 500.0
DL/T 2389-2021 Guidelines for selection of insulators for overhead transmission lines in ice-covered areas 
  Issued on: 2021-12-22   Translation Price(USD): 330.0
DL/T 2390-2021 Infrared detection method of zero value of disk-shaped suspending porcelain insulator 
  Issued on: 2021-12-22   Translation Price(USD): 330.0
NB/T 10809-2021 Socket-outlets for public places—Technical specification 
  Issued on: 2021-11-16   Translation Price(USD): 120.0
GB/T 25318-2019 Locking devices for ball and socket couplings of string insulator units -- Dimensions and tests 
  Issued on: 2019-12-10   Translation Price(USD): 300.0
GB/T 22079-2019 HV polymeric insulators for indoor and outdoor use -- General definitions, test methods and acceptance criteria 
  Issued on: 2019-12-10   Translation Price(USD): 480.0
GB/T 26218.4-2019 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions -- Part 4: Insulators for d.c. systems 
  Issued on: 2019-12-10   Translation Price(USD): 550.0
GB/T 4056-2019 Dimensions of ball and socket couplings of string insulator units 
  Issued on: 2019-12-10   Translation Price(USD): 550.0
GB/T 7253-2019 Insulators for overhead lines with a nominal voltage above 1 000 V—Ceramic or glass insulator units for a.c.systems—Characteristics of insulator units of the cap and pin type 
  Issued on: 2019-12-10   Translation Price(USD): 220.0
DL/T 374.1-2019 Drawing method of pollutant distribution map for electric power system Part1:AC systems  
  Issued on: 2019-11-04   Translation Price(USD): 285.0
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