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XCMG 490 Fan Motor

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1. Parker M-Series Vane Motor Overview
 
Parker’sM4/M5 seriesare high-performance vane motors designed for:
 
  • High-pressure applications(up to 280–350 bar, depending on model).
 
  • Medium-to-high flow rates(typically 20–100 L/min).
 
  • Compact, durable designsfor industrial and mobile hydraulic systems.
 
Common Models:
 
  • M4C/M4D: Mid-range pressure/flow, suitable for general-purpose hydraulic drives.
 
  • M4SC/M4SD: Enhanced versions with improved sealing or corrosion resistance.
 
  • M5B/M5BF: Higher pressure/flow variants, often used in heavy-duty equipment.
 
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2. Alternative High-Pressure Vane Motor Options
 
A. Eaton Vickers Vane Motors (e.g., Vane Series 60/70)
 
  • Key Features:
 
      • Pressure ratings up to350 bar.
 
      • Flow rates up to150 L/min.
 
      • Robust design with replaceable cartridges for easy maintenance.
 
      • Options for bi-directional rotation and variable displacement.
 
  • Applications:
 
      • Construction machinery (excavators, loaders).
 
      • Industrial presses and material handling systems.
 
  • Replacement Notes:
 
      • Direct drop-in alternatives for Parker M4/M5 in many cases.
 
      • Check port sizes and mounting flanges for compatibility.
 
B. Danfoss OMV Series Vane Motors
 
  • Key Features:
 
      • Pressure ratings up to300 bar.
 
      • High starting torque and smooth operation.
 
      • Corrosion-resistant options for harsh environments.
 
  • Applications:
 
      • Agricultural machinery (harvesters, tractors).
 
      • Marine and offshore equipment.
 
  • Replacement Notes:
 
      • Suitable for lower-flow applications compared to M5BF.
 
      • Verify shaft dimensions and speed ratings.
 
C. Casappa Polaris Series Vane Motors
 
  • Key Features:
 
      • Pressure ratings up to250 bar(higher with custom options).
 
      • Compact design with high power density.
 
      • Low noise and vibration levels.
 
  • Applications:
 
      • Forestry equipment (log splitters, chippers).
 
      • Mobile cranes and aerial work platforms.
 
  • Replacement Notes:
 
      • Ideal for space-constrained systems.
 
      • May require adapter plates for mounting.
 
D. Yuken Vane Motors (e.g., V7 Series)
 
  • Key Features:
 
      • Pressure ratings up to210 bar(extendable with upgrades).
 
      • High efficiency and low leakage.
 
      • Cost-effective for budget-conscious projects.
 
  • Applications:
 
      • Plastic injection molding machines.
 
      • Textile machinery and conveyor systems.
 
  • Replacement Notes:
 
      • Best suited for moderate-pressure applications.
 
      • Check for compatibility with hydraulic fluid viscosity.
 
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3. Model-Specific Alternatives
 
【表格】
 Parker Model Recommended Alternative Key Differences/Notes
M4C/M4D Eaton Vickers 60 Series Similar pressure/flow; check mounting.
M4SC/M4SD Danfoss OMV 600 Better corrosion resistance; slightly lower flow.
M5B Casappa Polaris 200 Higher power density; may need adapter.
M5BF18/28/45 Eaton Vickers 70 Series Direct replacement for high-flow variants; verify pressure ratings.
 
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4. Critical Selection Factors
 
  1. Pressure/Flow Requirements:
 
      • Ensure the alternative motor matches or exceeds the original’s ratings.
 
  2. Mounting Compatibility:
 
      • Check flange dimensions, port locations, and shaft size.
 
  3. Environmental Resistance:
 
      • Select seals/coatings for extreme temperatures, chemicals, or dust.
 
  4. Efficiency:
 
      • Higher efficiency motors reduce energy consumption and heat generation.
 
  5. Cost vs. Performance:
 
      • Balance upfront cost with long-term reliability and maintenance needs.
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Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system

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