On Tue, 30 May 2017 05:34:01 -0700 (PDT), "
wrote:

On Tuesday, May 30, 2017 at 1:00:01 AM UTC-4, Gunner Asch wrote:



This is true..until the input pressure is higher than the possible
output pressure..and now the pump acts as nothing more than a
restrictor mechanism...and the flow becomes restricted


Sorry, but that never happens. The output pressure will always be higher than the input pressure as long as the pump is running and nothing has failed because of the high pressure.

Dan


Thats hardly true. Stick a fire hose into a 1" pump and let her
rip...what you get out..wont be what you put in. Been there, done
that. Old oil field hand..remember?


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