Installation Installing A Big Flo Diaphragm Valve
21
Figure 10.
If Big Flo valve is installed in separate sump, a
passage way must be run between the two
sumps. The FX vent line can be easily routed
back to the tank through this passage way.
3" NPT flanged Big Flo
valve (117-182-5). To be
used in conjunction with the
FX Series Leak Detector.
11.0" 13.0"
FX leak detector
vent line
6" NPT
Flanged
riser
4" Min.
Storage
tank
3" NPT Ball valve
(recommended for
service)
18.3"
16.5"
1.8"
20.5"
48" Diameter sump
1.5"
2.0"
Center of
sump
Center of
riser
WARNING
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