2 pump head/piston assembly – Pulsafeeder PulsaPro 900 EN User Manual
Page 8
4
2.2.2 Pump
Head/Piston Assembly
The pump head/piston assembly is installed on the intermediate housing. This assembly contains
the hydraulic system which consists of the pump head, cylinder, piston assembly, and four
hydraulic valves:
a) Push-To-Purge (PTP)
b) Hydraulic Performance Valve (HPV)
c) Hydraulic Makeup Valve (HMV)
d) Hydraulic Bypass Valve (HBV)
Figure 4
Detail A
HBV
HPV
Detail A
HMV
PTP
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