Pumps operating at high pressures require a minimum speed to prevent what?

Pumps that operate at high pressures must maintain a minimum speed to prevent overheating or internal slippage. This is crucial because inadequate speed can lead to insufficient fluid movement within the pump. When flow is too slow, the fluid may not adequately absorb and transfer heat generated by the moving components. This overheating can lead to mechanical failures and reduced efficiency.

Moreover, at lower speeds, the risk of internal slippage increases, where the fluid does not create enough lift or pressure due to the lack of appropriate velocity across the pump's internal components. Slippage can result in a decrease in the pump's performance and eventually cause wear and tear on the internal parts. Thus, maintaining the correct speed is vital for the efficient operation and longevity of high-pressure pumps.