So I am working on a project but am not sure about one aspect. I am working on a system that has 2 pumps, 1 main, and 1 stand-by. Each time the pump is to turn on it will alternate which pump turns on, not a issue becasue I can just use an alternating relay. The trouble I am having is that if...
I have a customer that has requested an expolsion proof motor on their metering pump. They also want an expolsion proof VFD to accept a 4-20mA signal. Does anyone know of a manfacturer of such a beast, or have any suggestions? I am almost thinking they should just buy a normal VFD and mount...
So a customer has a filtration system of ours that includes a centrifugal pump. The pump is rated for 500GPM at 70 TDH. The system draws from a basin. The suction is a flooded suction, ie the inlet of the pump and inlet piping are below the waterlevel in the basin. The system loses about 8...
