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Finding NPSHr - Varying Pump Height
Hi Artisi, I do think it can be carried out on site as I do have calibrated gauges and flow measuring instrumentation. I am just not sure whether my arrangement/method is correct. If you could offer any suggestions that would be helpful. Thanks.- justomi
- Post #7
- Forum: Pump engineering
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Finding NPSHr - Varying Pump Height
Little Inch, Thanks for your reply! The reason I tried this method is because in the literature it describes two methods, sump test method changing the height and the suppression test method using throttle valves. I have tried the suppression test before by throttling the inlet but it was very...- justomi
- Post #5
- Forum: Pump engineering
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Finding NPSHr - Varying Pump Height
Hi, I have been given the task by my company to find the NPSHr for our pumps. The way I have been carrying out the test procedures is by raising the pumps above the vessel it is connected to and to record the TDH as the inlet pressure decreases. The results I get are bizarre as I expected...- justomi
- Thread
- Replies: 8
- Forum: Pump engineering
