Quote:
Originally Posted by Myka
No it won't be. The pump will be restricted by the decreased flow out of the end of the pipe...the same reason fittings on a pipe decrease pressure. Now, if you close the end of the pipe you would be right.
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I think you're getting confused. Decreasing the pipe diameter will increase back pressure at the pump, but I don't think you can use it to increase PSI at the outlet that way. Think of the applications for that kind of technology
Perhaps you're thinking of velocity? I'm not sure what that has to do with head pressure though, which is influenced by gravity, not a pump.