What are the precautions for the three-way control valve?
Release time:
Feb 07,2022
What are the precautions for the three-way control valve?
The t-shaped regulating valve has the advantages of high regulation precision, stable and reliable action, etc. It is composed of t-shaped regulating valve, linear stroke drive actuator and low flow resistance straight-through single valve. T-shaped regulating valve is divided into electric T-shaped shunt regulating valve and electric T-shaped combined flow regulating valve.
Be very careful when installing the three-way control valve. Now summarize the following points:
Before installation, you need to read the documents carefully, cut off the power supply, and install it by professional technicians.
The water flow direction needs to be the same as the arrow direction of the valve body.
The valve should be located on the coil connection plate so that it will fall on the water plate when the water drops.
The valve body and actuator should be installed within 60mm of the vertical direction, and there must be at least 30mm of space above it to be removed.
The tee joint needs to maintain sufficient maintenance work area with surrounding pipelines, equipment, and buildings, and needs to be installed where the repairman can reach through the manhole.
Install the valve body and install the driver only after passing the pipeline and test pressure.
If the driver has been installed on the valve body, no force should be applied to the driver during installation and commissioning. Otherwise, the drive may be damaged.
After the tee is installed and confirmed to be correct, turn on the power for debugging. It is necessary to observe the entire operating cycle of the drive at least 3 times to ensure that all components are correct. After passing the water-free trial, conduct the unified recruitment test again. The pressure drop of the upper and lower water in the system needs to be strictly controlled within 0.15MPa to ensure the effectiveness of the three-way regulating valve on the water flow switch.
Two: exotic tea processing matters needing attention:
1. Yi Jing T-shaped processing technology enterprises know that Yi Jing T-shaped process parameters are very important. Yi Jing T-shape In the extrusion forming process, too high or too low pressure will cause poor forming, which will lead to maintenance or scrapping. In the process of welding, current, voltage and speed will directly affect the welding quality. The advancing speed of the hot chudi needs to match the heating rate to the specified temperature. Otherwise, poor T-shaped formation may occur.
2. In Yi Jing T-shaped forming, it takes several deformations to achieve the required shape and size. The contour of the reducing tee is determined by the shape of the inner cavity of the forming mold. Therefore, the main factors of the quality of the tee are directly related to the shape of the mold, including the inner and outer diameter size, roundness, transverse flatness, etc. The quality of the mold determines the quality of the tee forming. Therefore, controlling the shape and size of the mold core is very important to the T shape. (Note :).
3. The contour of the T-shirt is determined by the shape of the inner cavity of the forming die. Therefore, the size of the T-shaped shoulder, the shape of the main pipe and the branch transition part, etc., reflect the reliability of the T-shaped. Therefore, the design, manufacture and maintenance of the tee mold is an important factor in the quality of the tee.
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