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6.2 System Components 199
Figure 6.6 Cast Iron Gate Valve Being Installed on a New Connection
to a Fire Hydrant
(Source: http://en.wikipedia.org/wiki/Image: MunicipalGateValve.JPG)
Figure 6.7 Internals of a Large Butterfly Valve
(Source: Wikipedia http://upload.wikimedia.org/wikipedia/
commons/d/d5/Yagisawa_power_station_inlet_valve.jpg)
