Ross Mackay Forum Moderator 94 Posts
Re: How do you correctly size piping leading to centrifugal pump?27 July 2009 at 1:29pm
The piping leading to a centrifugal pump must be at least one size larger than the inlet flange on the pump. Similarly, the discharge piping leading from the pump should be at least one size larger than the flange size on the discharge of the pump. For further details on this you can refer to my article "The Pitfalls of Pump Piping" which you can download from my Web site at http://www.practicalpumping.com/articles.php.
Normally, the size discharge nozzle of pump is different with discharge piping size. It is always a bigger size. My understanding is that it depends on the design and flow delivery required. For example: nozzle discharge pump is 6" and discharge piping delivery is 12". How to put the best way for arrangement piping between 6" to 12". Whether bellow, non-return valve and other accessories can be match to 12" size or how?
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