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Shandong Hongfeng Electric Group Co., Ltd.

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What is the allowable positive and negative deviation of the national standard for cable tray thickness

Release time:

2023-12-08

According to the voltage of laying cable, cable tray is divided into strong power cable tray and

According to the voltage of laying cable, cable tray is divided into strong power cable tray and weak power cable tray. If strong power cable and weak current cable are actually installed and laid, they must be placed in the same cable tray due to the influence of various external factors, then the tray partition should be placed in the middle of the cable tray.
Cable tray according to the type of equipment for laying cable is ordinary cable tray and fire-fighting cable tray, ordinary cable tray is generally laid to protect ordinary power equipment cable, fire-fighting cable tray is generally used to protect power cable and signal cable of fire-fighting equipment.
Cable tray elbows are commonly used for horizontal elbows and vertical elbows, horizontal elbows have 45 degrees and 90 degrees, vertical elbows have vertical upper elbows and vertical lower elbows, these commonly used elbows cable tray manufacturers can basically produce.
The national standards for thickness include JB/T 10216-2000 cable tray standard for electronically controlled distribution (2000 standard), JB/T 10216-2013 cable tray standard for electronically controlled distribution (2013 bridge standard), QB-T 1453-2003 light industry cable bridge standard (2003 bridge standard) and T CECS31-2003 steel cable bridge engineering technical specification standard (2003 bridge standard).
2013 bridge standard is the national standard of common thickness of indoor cable tray, 2000 bridge standard is the national standard of common thickness of outdoor cable tray, and the national standard of thickness of energy-saving and environmental protection is 2017 bridge standard.
The following Beijing Beijing Weiye cable editor will introduce to you the national standard for thickness allowable positive and negative deviations.
2000 if the bridge width is less than 100mm, the minimum thickness deviation of bridge plates can not be lower than 1.0mm, if the bridge width is greater than or equal to 100mm and less than 150mm, then the minimum thickness deviation of bridge can not be lower than 1.2mm, if the bridge width is greater than or equal to 150mm and less than 400mm, then the minimum thickness deviation of bridge can not be lower than 1.5mm, if the bridge width is greater than or equal to 400mm and less than or equal to 800mm.
Then the minimum thickness deviation of the bridge can not be lower than 2.0mm, if the width of the bridge is greater than 800mm, then the minimum thickness deviation of the bridge can not be lower than 2.5mm.
2013 if the bridge width is less than or equal to 150mm, the minimum thickness deviation of the bridge plate can not be lower than 1.0mm, if the bridge width is greater than 150mm and less than or equal to 300mm, the minimum thickness deviation of the bridge can not be lower than 1.2mm, if the bridge width is greater than 300mm and less than or equal to 500mm, then the minimum thickness deviation of the bridge can not be lower than 1.5mm, if the bridge width is greater than 500mm and less than or equal to 800mm.
Then the minimum thickness deviation of the bridge can not be lower than 2.0mm, if the width of the bridge is greater than 800mm, then the minimum thickness deviation of the bridge can not be lower than 2.2mm.

Keywords：

What are the common thickness standards for galvanized coating of cable tray?

National standard for cable tray thickness, weight per meter

What are the common thickness standards for galvanized coating of cable tray?

National standard for cable tray thickness, weight per meter