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Introduction to the function of concentric reducer

2019-11-14 10:11:43   COMMENT:0 HITS:
  Concentric reducer is a kind of  pipe fitting. If the selected diameter specification of ASME B16.9 A234WPB Large-Caliber Carbon Steel Concentric Reducer is not consistent with the inner diameter of process pipe, corresponding reducing or expanding treatment shall be carried out. If the pipe is shrunk, whether the pressure loss caused by this will affect the process flow shall be considered. In order to prevent the influence of the installation of concentric reducer on the distribution of flow field, resulting in the loss of pressure, thus reducing the measurement accuracy of electromagnetic flowmeter The required center angle is no more than 15 °, the smaller the better. There are two types: concentric and eccentric. The concentric reducer is generally used on the vertical pipe; the eccentric reducer is used on the horizontal pipe, and it should be noted whether the top is flat or the bottom is flat

  There are mainly the following places:

  1. When the flow rate of the fluid in the pipeline changes, such as increasing or decreasing, and the flow rate requirement changes little, reducer shall be used

  2. The inlet of the pump is to prevent cavitation

  3. In order to cooperate with the joint of instrument, such as flowmeter and regulating valve, reducer shall also be used

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