I vaguely recall that there is something to watch for when using a VFD with a VTP, that is usually not an issue with a volute type pump.
In this application, we want to maintain a constant flow at a variable head. The operating rate is 95 gpm while the BEP for this is at 105 gpm at the rated...
A sewer interceptor presently runs down a hill to a river bank where a pump station is located. The pump station pumps through a force main under the river which discharges into a manhole that is about 10 feet higher than the river. When the river floods, the pump station is inaccessible. The...
I have a vertical turbine pump delivering 800 gpm @ 420 psi at the pump discharge. I want to divert some flow from that stream to spray nozzles to clean an intake screen. No other water supply is available. The screen needs 30 gpm at 40 psi. I was looking at adding a tap in the piping and...
