Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

There was a time when the front bumper was the preferred location, and just about the only one, for fire pumps on motorized apparatus. Over the decades, pump locations have migrated to various ...

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...