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I am working on an acid filtration system and I need to be able to pressurize the effluent from the diaphragm pump such that the acid can be forced through a filter. I am not quite sure if a diaphragm pump can pressurize the influent and also be able to adjust the pressure. Can they do this? Or is there another pump that I should look for?

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    $\begingroup$ I am confused by your wording, please clarify what is meant by "also be able to adjust the pressure". In general, a diaphragm pump is a constant volume pump that can raise the pressure of the fluid as it is discharged from the pump, as shown in it's pump curve. You can try to find a pump that outputs the needed pressure, or have equipment after the pump to adjust the fluid's pressure. $\endgroup$ – J. Ari Mar 17 '20 at 18:44
  • $\begingroup$ Okay, well that pretty much answers my question. I was not able to see the pump curve for the pump I want so I was unsure. $\endgroup$ – Jason Mar 17 '20 at 19:43
  • $\begingroup$ Please accept the answer (that I just posted) so the question can be marked closed. $\endgroup$ – J. Ari Mar 17 '20 at 20:25
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In general, a diaphragm pump is a constant volume pump that can raise the pressure of the fluid as it is discharged from the pump, as shown in it's pump curve. You can try to find a pump that outputs the needed pressure, or have equipment after the pump to adjust the fluid's pressure.

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