Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Could you explain the concept of controlling water speed and how it affects the cooling system? First of all, controlling water speed is not something a lot of attention is paid to. What I mean by ...

The whole point of indoor plumbing is that it should be easy, clean and convenient–not a hassle. So it's understandable to feel a bit annoyed when poor flow prevents you from taking a nice, warm ...

Choked flow in control valves is a subject of serious concern for industrial users. The term is usually associated with destructive process conditions that can damage valve internals or expose ...