Section 8
High Pressure Water System
20425618
5-2005/Rev 0
8-2
Figure 8-1: High Pressure Cylinder
Low pressure water is routed through the inlet water ports to the inlet passages in the sealing
heads. When the plunger retracts, the inlet check valve opens to allow water to fill the high
pressure cylinder. When the plunger extends to create high pressure water, the inlet valve closes
to seal the inlet passage and the discharge check valve opens to allow the high pressure water to
exit the cylinder. As the plunger retracts, the discharge check valve closes.
Figure 8-2: High Pressure Water System
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