
Pump Electric Motors
A pump moves water or any other liquid only as well as the shaft that turns it. This page is not about the pump itself but about the three-phase electric motor that drives it: what... More Details

A pump moves water or any other liquid only as well as the shaft that turns it. This page is not about the pump itself but about the three-phase electric motor that drives it: what... More Details

When the motor of a centrifugal pump fails during the irrigation season, the first question is usually "how many kW and what speed?" The power is written on the nameplate, but spee... More Details

When replacing the motor of a multistage high-pressure pump, the three most critical points are these: the new motor's speed must be very close to the old one, because as the numbe... More Details

Motor selection for a hot oil (thermal oil) circulation pump rests on two facts: the pump is under the most strain at a cold start, when the oil is thick, and the motor sees the he... More Details

No; a larger motor running at the same speed does not increase the flow of a centrifugal pump. How much water the pump delivers is determined not by the motor's power but by the im... More Details

When selecting a circulation pump motor for a pasteuriser, first separate which circuit the pump works in: is it the hygienic pump carrying the product, or the service-circuit pump... More Details

What strains the pump motor on a bottle washing machine is often not the electrical load but the motor's surroundings: steam rising from hot caustic solution, label pulp stripped o... More Details

The motor for the circulation pump of a fabric dyeing machine is chosen not by looking at the machine's capacity but according to the pump's own data: flow, head, pump speed and th... More Details