How to install the valve? This article is full
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Release Time：2021-02-01
Everyone knows how to install and repair the valve?
Do you know how to install and repair the valve? If you don't know, you can look at this article, the following article to the valve installation details are full!
The method of valve installation is as follows:
1. First check whether the valve model is consistent with the working conditions, pay attention to the connection size and medium flow direction, and ensure the consistency with the valve requirements;
2, must carefully check the valve cavity and sealing surface and other parts, it is strictly prohibited to appear dirt or sand particles attached to the phenomenon;
3. Before installing the valve, be sure to reserve the necessary space for the valve drive;
4, the valve must be installed vertically, not flip;
5. During installation, the valve flap should be stopped in the closed position;
6. Tighten the bolts of each connection evenly to avoid loosening;
7, carefully check the packing parts, in order to ensure the sealing of the packing at the same time to ensure that the gate open flexible;
8, should be installed according to the manufacturer's installation instructions, the weight of the valve, should be set up a solid foundation.
The general provisions for valve installation are as follows:
1. The installation position of the valve should not hinder the operation, disassembly and maintenance of the equipment, pipeline and valve body itself, and the beautiful appearance of the assembly should be considered.
2. For the valve on the horizontal pipeline, the valve stem should be installed upward or inclined at a certain angle, and the handwheel should not be installed downward.
3. Symmetrical arrangement, neat and beautiful;
4. The center line elevation of the valves on the side-by-side riser is preferably the same.
5. When installing heavier valves on water pumps, heat exchangers and other equipment, valve brackets should be set up;
6. There are arrows on the valve body of the valve, and the direction of the arrow is the direction of the flow of the medium.
7. When installing the flange valve, the two flange end faces should be parallel and concentric with each other, and double gaskets should not be used.
8. When installing threaded valves, a threaded valve should be equipped with a union for ease of disassembly.
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