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  1. hasanosma

    Kv for flow through valves

    Correction! Sorry Edouard, I misunderstood the meaning of Kv. I confused it with loss coefficiant factor (K) which is a dimensionless number. Kv value of a valve is; the flow in l/s through a valve with a 1 psi differential across the valve (US costumary units) or the...
  2. hasanosma

    Kv for flow through valves

    Hi Edouard, First of all Kv is an dimensionless number and it is a measure of pressure loss across the valve. Kv can be 0,8 but can not be 0,8 m3/h. When you say m3/h then it means that you are talking about flow rate, but not the Kv. The relation between the pressure loss and Kv is...

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