My 2 centavos.
Pump cavitation depends on the NPSH (Net Positive Suction Head) of the suction system, if the system is negative it will cavitate, concentric or eccentric reduction on the pump. The eccentric reduction install with the flat side up, is to prevent gas pockets (real air, or gases like in tars etc..) , not to prevent gas bubbles from cavitation.
i.e. you can have concentric reduction and no cavitation and vice versa.
Best practice is eccentric.
Arturo Murillo
Tuberías Visa
México
hello
yes if you place a concentric reducer at the inlet(suction) of a pump then there will be cavitation action. because flow of fluid in pipe is not full ther will be some air in pipe as a result some air which is present in pipe is sucked into the inlet and fromair pocket which called cavitation
it is a best practice to use eccentric reducer at the inlet of pump to avoid cavitation
waqas_314 <waqas_314@yahoo.com> wrote:
Hello all of u.
i had heard somewhere that if we place an Concentric reducer at the
inlet(suction) of a pump then there will be cavitation action.because
there will be AIR POCKETS produce.
plz describe me how cavitation be done,also how air comes in pump if
we place a concentric reducer at the suction end of a pump.
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[Non-text portions of this message have been removed] Received on Tue Feb 20 11:00:00 2007
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