These pumps assure high performance in high pressure operation, compared to the other types, and are easy to convert to the variable displacement type. Thus, they can operate with various control types. The piston pumps provide advantages including: (1) high efficiency; (2) ease of operation at high pressure; (3) ease of conversion to the variable displacement type, and; (4) various applicable control types.
The pumps are categorized into axial, radial, and reciprocal piston types. This section explains the axial piston type, which is most widely applied in industrial machinery, from low-/middle-pressure general industrial machines to high- pressure press machines and construction machines.
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