Reply To: Pressure Vs Flow

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Harold Kestenholz

EXACTLY. As Sylvan indicates, if the pressure IN a pipe that is the same size throughout is reduced (the only way of doing that is to make a blockage) the flow will be REDUCED.

Conversely, if the resistance from one end of the piping system to the other is reduced, while subject to a pressure approximately the same from end to end, the flow can be increased; but only if a long section of the pipe is increased in size to create a reduced total resistance.

The variable is based upon whether the pipe is considered the same only if a section of pipe remains unchanged, or the piping is considered the same after a section of the piping is enlarged.

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