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P a g e
Pump group
The pump group’s function is to control the flow direction and rate of the
emulsion and cleaning agent. It consists of emulsion pump(s), the strainer
housing, pneumatic ball valves, all located within the pumping station
(Figure 5).
Figure 5:
Emulsion pumping station (right‐side view)
The pump group controls the six basic pump functions:
Tank load
Tank circulate
Spray bar circulate
Spray auto
Spray bar vacuum
Spray bar clean out
Valve and pump configurations for the pump functions are shown in
Appendix 1: Valve and emulsion pump configurations for the pump
functions, page 121.
Strainer
housing
Emulsion
pump
Pneumatic
ball valve
