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Selection of Rotameter with IC Card Function

2019-08-30View Original

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For the natural gas used in our own company, two Rotameter flow meters with IC card functionality are required. One of these meters operates under conditions of 0.2–0.4 MPa, with a maximum flow rate of 20 Nm3/h, a normal flow rate of 11 Nm3/h, and a minimum flow rate of 2 Nm3/h. The temperature is at room temperature, and the pipe diameter is DN65. What diameter flow meter should be chosen in this case? Can the diameter of a Roots flow meter be two sizes smaller than that of the pipeline?

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