Flow Coefficients and Computations - ITT Engineered Valves ...

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Problem: Determine the flow in cubic feet per hour of air through a wide open 2 inch unlined valve. Inlet pressure at 60 psig, outlet pressure at 40 psig, and temperature at 60° F. Q = (1360) (70) √20/520 √(74.7+54.7)/2 Q = 150,400 SCFH Problem: Find the rate of flow of water through a 2½"

  Valves, Of air