Figure 216 Grooved Butterfly Valve is a rotary type valve with a visual indication of whether the valve is
in a fully open position or not. Butterfly valves are commonly used in fire protection systems as system
control valves, sectional or pump water control valves.
These valves have been designed with minimum flow restriction and pressure loss when in a fully open
position. To reduce the risk of a water hammer Rapidrop Butterfly Valves are provided with a slow close
hand wheel operated gearbox