There are electric heating cables and related accessories in the electric heating system. The middle junction box has two types: "one" and "T", which is also commonly known as Tee Joint Box. The important accessories of the tropics, many users are not very clear about their functions, let me introduce them to you below.
What are the installation precautions for Tee Joint Box?
How to determine the installation quantity of Tee Joint Box?
What is the role of Tee Joint Box?
What are the installation precautions for Tee Joint Box?
1. When using the Tee Joint Box, do not drag it on the ground to avoid being damaged by sharp objects. Do not contact with high temperature objects to prevent welding slag from falling on the heating cable;
2. The heating cable has good flexibility, but hard folding is not allowed. When it needs to be bent, the bending radius should not be less than 6 times the thickness of the heating cable;
3. It is strictly forbidden to press or smash the heating cable with heavy objects. If it is smashed, the heating cable should be re-tested and used only after passing the test.
4. The heating cable should be closely attached and fixed with the heating pipe (or equipment) to improve the heating efficiency. When fixing the heating cable, special nylon cable ties should be used, and metal wire binding is strictly prohibited;
5. For non-metallic pipes, a layer of aluminum tape should be attached between the outer wall of the pipe and the heating tape to increase the contact heat transfer surface;
6. The installation of the heating cable should fully consider the possibility of dismantling the pipe accessories or equipment, and the heating cable does not need to be cut off. Pay attention to the sealing of the joint when the heating cable is cut or jointed.
7. The flange is prone to leakage. When winding the heating cable, it should be avoided directly below it.
8. After the installation of the heat tracing system, the electrical test must be carried out one by one. After passing the test, the power-on test should be carried out to check the heating condition of the heat tracing cable. After confirming that the Tee Joint Box is normal, heat preservation is allowed.
How to determine the installation quantity of Tee Joint Box?
We need to determine the number of intermediate junction boxes (2-way and 3-way junction boxes). The number of intermediate junction boxes should be determined according to site conditions. The number of Tee Joint Boxes should be determined by the number of pipe tees, and the number of two-way junction boxes should generally be 20% of the number of power junction boxes.
What is the role of Tee Joint Box?
When the pipeline encounters a bifurcation, the Tee Joint Box can be used to connect the extra branch pipes of the electric heating cable, and it can also be used for the heating of the pipeline with complex mesh. The Tee Joint Box can be used instead of the power junction box and can be used for 2-3 loop.
The Tee Joint Box plays the role of fixing the electric heating cable, so that the electric heating cable is not easy to fall off, so as to avoid the situation that the electric heating cable does not generate heat. The wires are protected from moisture and isolated from live conductors. When installing, avoid immersion of sealed terminals and junction boxes in liquids.
Guangzhou HERUI has professional staff who can provide you with personalized customized services. If you are interested in this Tee Joint Box and want to know more information, please contact Guangzhou HERUI.