A heat pump functions as a typical air conditioning system in the cooling mode — absorbing heat from indoors and rejecting it outdoors. In heating mode, the coils reverse their functions. The outdoor ...

Standpipe systems can be found in occupancies that range from apartments to high-rises to large commercial buildings. These systems are relatively simple, yet most of the breadth of knowledge that ...

As addressed in an earlier article of this series, centrifugal pumps are the most common pumps in a process plant, and an operator’s understanding of how these systems work often will impact how much ...

Traditional sucker rod pumps (SRP) use a single traveling valve, but recent double traveling valve innovations have improved SRP performance and efficiency in field applications with double traveling ...