Pump Suction Piping Rules – Cooling Tower Pumps and Piping – Part 6

Norm Hall Monday Morning Minutes

Over the last several weeks we discussed the feared NPSH and showed it is rarely an issue at design conditions. More often than not, noise and pressure problems are caused by air in the suction piping system. The suction pipe, in many cooling pumping systems, is under very little pressure. In fact, the suction of the pump could be under a vacuum. [Read more…]