Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Pumping electroless nickel
What pump construction should be used for pumping electroless nickel solution. I need to pump 20 GPM @ 35 PSI + - with a flooded suction and at 70F. Is a stainless steel pump suitable? Is a single mechanical seal with carbon and ceramic mating faces suitable? Is a mag-drive pump preferred? Any information regarding pump construction for this application would be appreciated.
Mark Petti- Lincoln, RI, USA
2005
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There are many options but in our experience, plastic submersible pumps of the kind that have the motor out and above connected to the pump through a long shaft are the most forgiving (they will never leak since they have no valves or piping at all and can be taken out for maintenance at will). Again it all depends on your tank dimensions, available space and routine operation and procedures. Guillermo MarrufoMonterrey, NL, Mexico For transferring EN solutions at 70 °F, almost any plastic or stainless steel is suitable. PP or CPVC mag drive pumps are preferred and normally used. For pumps at 190 °F, CPVC or Kynar vertical centrifugal pumps are most often used.  Ron Duncan [deceased] - LaVergne, Tennessee It is our sad duty to note Ron's passing on Dec. 15, 2006. A brief obituary opens Episode 13 of our Podcast. |
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