Penstock in a sentence as a noun

He built an intake channel off the main stream that flows into a forebay, where the penstock and piping system is installed.

It's also probably easier to add a parallel track and mass units than it is to add a penstock and double the size of your reservoir.

We have run of river hydroelectric in the states that diverts some water via penstock, as well as canal-based systems and those that utilize Army Corp dams.

Penstock definitions

noun

regulator consisting of a valve or gate that controls the rate of water flow through a sluice

See also: sluicegate floodgate

noun

conduit that carries a rapid flow of water controlled by a sluicegate

See also: sluice sluiceway