I am confused about NPSHR deliverable by pump manufacturers for a specific service. I know the required head and flow for the project pump. How can I guess the minimum NPSHR available that could be supplied for the project? The answer of this question leads to consider skirt height for the tower feeding the pump or not. In other words, I need to have NPSHR in advance for fixing NPSHR. Can I estimate typical NPSHR by having head and flow?
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Re: Do I need to estimate the NPSHR for my pump supplier?
20 July 2009 at 1:29pmWhen you know the head and flow required from the pump, you will also know the type of pump you need, which in turn will provide the pump suppliers all the information they need to give you a preliminary selection with the NPSH Required for that service. You don't need to estimate the NPSH required at all. Just talk to your pump suppliers.
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