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diff --git a/Simulator/Simulator/UnitOperations/CentrifugalPump.mo b/Simulator/Simulator/UnitOperations/CentrifugalPump.mo
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--- a/Simulator/Simulator/UnitOperations/CentrifugalPump.mo
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-within Simulator.UnitOperations;
-
-model CentrifugalPump "Model of a centrifugal pump to provide energy to liquid stream in form of pressure"
-  //===========================================================================
-  //Header files and Parameters
-  extends Simulator.Files.Icons.CentrifugalPump;
-  parameter Simulator.Files.ChemsepDatabase.GeneralProperties C[Nc];
-  parameter Integer Nc = 2 "Number of components";
-  parameter Real Eff(unit = "-") "Efficiency";
-  //===========================================================================
-  //Model Variables
-  Real Pin(unit = "Pa", min = 0, start = Pg) "Inlet stream pressure";
-  Real Tin(unit = "K", min = 0, start = Tg) "Inlet stream temperature";
-  Real Hin(unit = "kJ/kmol",start=Htotg) "Inlet stream molar enthalpy";
-  Real Fin(unit = "mol/s", min = 0, start = Fg) "Inlet stream molar flow";
-  Real xin_c[Nc](each unit = "-", each min = 0, each max = 1, start=xg) "Inlet stream components molar fraction";
-  Real Tdel(unit = "K") "Temperature increase";
-  Real Pdel(unit = "K") "Pressure increase";
-  Real Q(unit = "W") "Power required";
-  Real rho_c[Nc](each unit = "kmol/m3", each min = 0) "Component molar density";
-  Real rho(unit = "kmol/m3", min = 0) "Density";
-  Real Pvap(unit = "Pa", min = 0, start = Pg) "Vapor pressure of mixture at Outlet temperature";
-  Real NPSH(unit = "m") "Net Positive Suction Head";
-  Real Pout(unit = "Pa", min = 0, start = Pg) "Outlet stream pressure";
-  Real Tout(unit = "K", min = 0, start = Tg) "Outlet stream temperature";
-  Real Hout(unit = "kJ/kmol",start=Htotg) "Outlet stream molar enthalpy";
-  Real Fout(unit = "mol/s", min = 0, start = Fg) "Outlet stream molar flow";
-  Real xout_c[Nc](each unit = "-", each min = 0, each max = 1, start=xg) "Outlet stream molar fraction";
-  //============================================================================
-  //Instantiation of Connectors
-  Simulator.Files.Interfaces.matConn In(Nc = Nc) annotation(
-    Placement(visible = true, transformation(origin = {-100, -2}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {-100, 16}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
-  Simulator.Files.Interfaces.matConn Out(Nc = Nc) annotation(
-    Placement(visible = true, transformation(origin = {102, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {100, 100}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
-  Simulator.Files.Interfaces.enConn En annotation(
-    Placement(visible = true, transformation(origin = {2, -100}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {0, -70}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
-
-  extends GuessModels.InitialGuess;
-equation
-//============================================================================
-//Connector equation
-  In.P = Pin;
-  In.T = Tin;
-  In.F = Fin;
-  In.H = Hin;
-  In.x_pc[1, :] = xin_c[:];
-  Out.P = Pout;
-  Out.T = Tout;
-  Out.F = Fout;
-  Out.H = Hout;
-  Out.x_pc[1, :] = xout_c[:];
-  En.Q = Q;
-//=============================================================================
-//Pump equations
-  Fin = Fout;
-  xin_c = xout_c;
-  Pin + Pdel = Pout;
-  Tin + Tdel = Tout;
-//=============================================================================
-//Calculation of Density
-  for i in 1:Nc loop
-    rho_c[i] = Simulator.Files.ThermodynamicFunctions.Dens(C[i].LiqDen, C[i].Tc, Tin, Pin);
-  end for;
-  rho = 1 / sum(xin_c ./ rho_c);
-//==============================================================================
-//Energy Balance and NPSH Calculation
-  Hout = Hin + Pdel / rho;
-  Q = Fin * (Hout - Hin) / Eff;
-  NPSH = (Pin - Pvap) / rho;
-//===============================================================================
-//Vapor Pressure of mixture at Outlet Temperature
-  Pvap = sum(xin_c .* exp(C[:].VP[2] + C[:].VP[3] / Tout + C[:].VP[4] * log(Tout) + C[:].VP[5] .* Tout .^ C[:].VP[6]));
-  annotation(
-    Documentation(info = "<html><head></head><body><div>Centrifugal pump is generally used to provide energy to a liquid material stream. The energy supplied is in form of pressure.</div><div><br></div>To simulate a centrifugal pump, Efficiency of the pump should be provided as calculation parameter. Additional one of the following input variables must be defined:<div><ol><li>Outlet Pressure</li><li>Pressure Increase</li><li>Power Required</li></ol><div><br></div></div><div>For example on simulating a centrifual pum, go to <i><b>Examples</b></i> &gt;&gt; <i><b>Pump</b></i></div></body></html>"));
-    
-end CentrifugalPump;