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: find a pump for oil with very low NPSH
: find a pump for oil with very low NPSH -- PhilB	Post Reply	Top of thread	Forum

Posted by: tonybaker1958 ® 07/02/2008, 15:52:00 Author Profile eMail author Edit

self protection against cavitation isn't a function of a pump. the system design needs to be considered to ensure that npsha and npshr requirements are met. visit https://www,spxpe,com - those guys deal with this kind of thing day in and day out ;) if local noise levels, flow stability, process fluid containment, flow pulsation, etc are an issue.... air powered is not an option unless you add a lot more equipment to solve side issues (acoustic insulation, air preparation equipment, lubricators, regulators, etc) [speaking from application experience and many burnt candles ;)]. Modified by Administrator at Wed, Jul 02, 2008, 16:20:21

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: find a pump for oil with very low NPSH
: find a pump for oil with very low NPSH -- PhilB	Post Reply	Top of thread	Forum

Posted by: DB ® 04/09/2008, 13:30:07 Author Profile eMail author Edit

Try an air powered diaphram pump. Use an air regulator to control the on/off. They are easy to install and control. Look at mcmaster.com catalog page 314 and you can do a short course on pumps with the information provided there. Air powered diaphram pumps work well with many different fluids as long as you chose the right materials for the internal wetted parts. Hope this helps! Doug

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