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hydraulic pump

The construction hydraulic pump is engineered to deliver precise and continuous hydraulic energy within the power systems of heavy-duty machinery. It features an axial piston design with a swash plate mechanism and a displacement range between 60 and 195 cubic centimeters per revolution. Continuous working pressure is rated at 310 bar, while peak pressure can reach 420 bar. The pump housing is made of die-cast aluminum alloy with a 25-micron hard chrome coating. It maintains stable performance under ambient temperatures from -30°C to +120°C, ensuring reliability in demanding environments.

Construction hydraulic pumps achieve over 95 percent mechanical efficiency and incorporate an advanced hydrodynamic design to minimize flow losses. The main shaft is made from hardened alloy steel treated with a nitriding process to enhance wear resistance. The sealing system uses FKM O-rings resistant to mineral oils and pressures up to 400 bar. Tapered roller bearings with a 42 kN radial load capacity extend service life to over 13,000 hours. These characteristics enhance system stability, efficiency, and energy savings in construction machinery operations.
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