Pulsafeeder PulsaPro 900 EN - Manual (Page 7)

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2.2.1 Reagent Head Assembly
The term Reagent Head Assembly refers to the pump components that come into direct
contact with the process fluid (or Reagent). The typical Reagent Head Assembly consists of
the following components:
a) Reagent Head
b) Diaphragm
c) Suction Check Valve
d) Discharge Check Valve
High flow pump models use disk valves.
DISK VALVE DESIGN BALL VALVE DESIGN
Figure 3