The Grooved End & Wafer type
Butterfly valves are indicating type
designed for use in fire protection
systems where a visual indication is
required as to whether the valve is
open or closed. They are used, for
example, as system, sectional, and
pump water control valves. They have cut groove inlet and outlet connectionsthat are suitable for use with grooved end pipe couplings that are listed and approved for fire protection systems.
For applications requiring supervis fion
of the open position of the valve, the
Gear Operators for the Model BV-G Butterfly Valves are provided with two sets of factory installed internal switches each having SPDT contacts.