| See thematic : Coéfficient 
              Kv, Kvs, Kvo, leakage rate
 The value of Kv can be calculated according to the values given 
              " flow and pressure loss estimated". The program can also carried out the calculation with overheated 
              vapor and modified the calculation if necessary according to with 
              the recovery of the condensates. 
 
               
                | Coefficient of flow Kv for a control valve |  It is the flow of water Q in m3/h measured at 4°C (Density 
              = 1000kg/m3) for a pressure loss of 1 bar, passes through the valve 
              considered as entirely open. The program can also carried out the calculation with overheated 
              vapor and modified the calculation if necessary according to with 
              the recovery of the condensates. 
 
               
                | Valve control information |  
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