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gear pump or air diaphragm pump -- skimmed oil & recovered oil serv. 3

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stonetech

Mechanical
Nov 3, 2006
29
Hello everyone,

We need to specify some pump type for skimmed/recovered oil transportation. It seems both gear pump and air diaphragm pump applicable for this service. Could you please advise which one is better and why it's that? Your help would be appreciated.

Thx first.

Stonetech
 
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I think diaphragm will be streets ahead of a gear pump and a peristaltic pump even better than the diaphragm.

google peristaltic pumps for links.
 
Stonetech,
I've been down this road and the diaphragm pump is streets ahead. As it will probably be intermittent in service, it is more reliable, cheaper, easier to maintain with less maintenance required, and will take more abuse, e.g dry running, contaminants in the fluid.
Enough, I think I'vr just done your job!
Regards,
Bill
 
The first time the gear pump sees water instead of oil, you'll be buying the diaphragm pump.
 
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