What are the precautions for valve installation?
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Release Time：2021-02-01
Check valve, also known as check valve and one-way valve, is a valve that automatically opens and closes under the action of the pressure difference before and after the valve. Its function is to make the medium flow in only one direction and prevent the medium from flowing backwards.
Check valve, also known as check valve and one-way valve, is a valve that automatically opens and closes under the action of the pressure difference before and after the valve. Its function is to make the medium flow in only one direction and prevent the medium from flowing backwards. Check valve according to its structure is different, there are lifting, swing and butterfly wafer type. Lift check valve has horizontal and vertical points. When installing the check valve, you should also pay attention to the flow of the medium, can not be installed.
So in the process of installation, what precautions should we keep in mind. Wuhan Xiete Valve Technology Co., Ltd. put some of the installation of the valve into the following article, you can understand through the article.
In general, do not let the check valve in the piping system to bear the weight, large check valve should be independent support, so that it is not affected by the pressure generated by the piping system. During installation, pay attention to the direction of medium flow should be consistent with the direction of the arrow marked on the valve body. Lift-type vertical flap check valves shall be installed on vertical pipes and lift-type horizontal flaps shall be installed on horizontal pipes. Next, I will give you a brief introduction to the installation method of the check valve!
(1) Pipeline check valve:
Valve in which the disc slides along the centerline of the body. Pipeline check valve is a new type of valve, its small size, light weight, good processing technology, is one of the development direction of the check valve.
(2) Lift check valve:
Valve along the valve body vertical center line sliding check valve, lift check valve can only be installed in the horizontal pipe, in the high pressure small diameter check valve disc can be used ball. The shape of the valve body of the lift check valve is the same as the cut-off valve (can be used with the cut-off valve), so its fluid resistance coefficient is large.
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