through several other valves, each with
its own design and purpose.
Gate valves make an appearance
again, most notably alongside fire
hydrants, allowing for the full force of
water needed to fight fires and then
total shut-off once the danger has
passed.
Other valves in the water system
include:
Corporation valves are typically one-
shot valves that are buried and rarely
activated. Their primary purpose is to
allow the utility to install a new service
without shutting down a pipe, potential-
ly isolating and inconveniencing other
customers. A secondary purpose is
serving as a back-up or as insurance if
a curb valve doesn’t perform as needed.
