Now there are two commonly used installation locations in my design. First, the water pump inlet and outlet directly set the connector. The first is to set the joint after reducing the diameter. There are three reasons for setting the joint after reducing the diameter.
1, easy to install if the water pump inlet and outlet directly set the connector, often can not be directly connected, but need to add a short pipe. Because pump inlet and outlet flanges and joint flanges often can not be connected directly due to inconsistent pressure. This is not an issue for straight lines installed after sizing
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2. Convenient design if the joint is installed after reducing diameter. The diameter is the same as the pipe diameter, and the number and specification of joints can be counted in advance. And if installed in the water pump inlet and outlet must wait for the return of pump data. And statistics are prone to error.
3, avoid gas if the pump inlet and outlet water El directly set connector. As the joint is round, part of it will be higher than the pipe, resulting in gas collection. Affecting the normal water absorption of the pump, the pump room pipes of our company are generally installed in the pipe trench, the elevation is low, and the joint installed in this position will not have much impact.
Iv. To sum up, telescopic joints are indispensable in the installation of water pump pipelines. But telescopic joint equipment selection is by no means simple. The wrong type can cause great damage to the piping system. As a designer you have to take it seriously. Only on the premise of fully familiar with the equipment, can the correct selection