PC75UU-2 hydraulic pump

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3 year

Product details

PC75UU-2 Hydraulic Gear Pump

Based on industry conventions and hydraulic pump nomenclature, the following is an inferred analysis of thePC75UU-2 Hydraulic Gear Pump:

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1.Model Decoding and Type

• PC Series: A continuation of previous designs, belonging to agear pump seriessuitable for medium-to-high-pressure hydraulic systems, emphasizing reliability and adaptability.

• "75": Indicates a displacement of approximately75 cc/rev (75 milliliters per revolution), offering higher flow capacity compared to the PC50MR, ideal for scenarios requiring greater fluid delivery.

• "UU-2": Likely denotes an upgraded version or specific design:

• "UU": May represent aduplex pump design(twin-gear structure) orhigh-pressure sealing/bearing optimization.

• "-2": Second-generation improvements (e.g., material upgrades, efficiency enhancements, or noise reduction).

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2.Primary Applications

• Medium-Sized Construction Machinery: Main hydraulic systems for medium excavators (e.g., Komatsu PC75UU-2 excavator), forklifts, or cranes (boom, swing drive).

• Industrial High-Pressure Systems: Used in injection molding machines, hydraulic presses, or equipment requiring stable high-flow output.

• Marine and Port Equipment: Hydraulic power source for deck machinery or cargo-handling systems.

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3.Technical Parameters (Estimated)

• Displacement: ~75 cc/rev (confirm with manufacturer specifications).

• Pressure Range:

• Continuous Pressure: 16-25 MPa (2300-3600 PSI), higher than the PC50MR.

• Peak Pressure: Short-term capability of 28-30 MPa (4000-4350 PSI).

• Speed Range: 1000-2800 RPM (optimized for stable operation under heavy loads).

• Fluid Compatibility: Mineral-based or synthetic hydraulic oils (ISO VG 46-100).

• Efficiency:

• Volumetric Efficiency: ~88-94% (improved gear clearance and sealing).

• Mechanical Efficiency: ~92-96%.

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4.Design Features

• Gear Type: Likely useshelical or herringbone gearsto reduce noise and enhance smoothness under high pressure (compared to the PC50MR’s spur gears).

• Material Upgrades:

• Pump Housing: High-strength cast iron or nickel-plated aluminum alloy for corrosion resistance.

• Gears: Case-hardened steel or ceramic-coated surfaces for wear resistance.

• Sealing Technology: Multi-stage seals (axial + radial) or polytetrafluoroethylene (PTFE) materials for high-pressure/high-temperature environments.

• Port Configuration: SAE flanges or ANSI-standard high-pressure ports (e.g., 1" BSPP).

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