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What are the acceptance criteria of stainless steel cable tray?
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What are the acceptance criteria of stainless steel cable tray?

Author:小编    Release time:2020-09-30 14:56:19     Number of views :


With the rapid progress of the construction industry, electrical engineering is becoming more and more important, the traditional wiring method has been unable to meet the demand. In this case, stainless steel cable tray will be used. In our life, the inspection of stainless steel cable tray is very important. If unreasonable design is found in the acceptance, it must be corrected in time to prevent more serious danger due to quality problems in the future. Now let's take a look at how to check and accept the cable tray.


1. The length of straight stainless steel cable tray is more than 30 meters, the length of aluminum alloy or FRP cable tray is more than 15 meters, with expansion joints; The compensation device shall be installed where the cable tray passes through the deformation slit of the building.


2. The bending radius of the cable tray must exceed the minimum allowable bending radius of the cable in the cable tray.


3. If there are no other requirements in the design, the horizontal installation of the stainless steel cable tray bracket should be 1.5 ~ 3M away from each other, and the bracket spacing should be less than 2m.


4. The cable tray and bracket bolts and cable tray connecting plate bolts must be fixed firmly, and the nuts are located outside the cable tray; The aluminum alloy cable tray and the steel support have electrochemical corrosion prevention measures at the same time, and they are insulated from each other.


5. The cable tray is installed under the flammable and explosive gas pipeline and hot pipeline. If there is no design requirement, the distance between the pipeline and the pipeline must meet the requirements.


6. The cable tray laid in the shaft through different fire areas needs to be positioned according to the design requirements, with fire prevention and plugging measures.


What are the acceptance criteria of stainless steel cable tray? The above six aspects are several problems that must be paid attention to in the acceptance. If these requirements are not met, it is unqualified stainless steel cable tray.