Shandong Keystone Hydraulic Co.,Ltd
Shandong Keystone Hydraulic Co.,Ltd
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Industrial Hydraulic Pumps HA7V Series Axial Piston Pump Excavator Travel Swing Drives

Product Details

Place of Origin: China

Brand Name: KERSTERN

Certification: SIO9001

Model Number: HA7V Series Axial Piston Pump

Document: HA7V Series Axial Piston Pu...mp.pdf

Payment & Shipping Terms

Minimum Order Quantity: 5

Price: Negotiable

Packaging Details: Wooden boxes and cartons

Delivery Time: 7 work days

Supply Ability: 5,000 units per month

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Specifications
Highlight:

400 bar axial hydraulic pump

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350 bar axial hydraulic pump

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Industrial hydraulic pump

Description
Industrial Hydraulic Pumps HA7V Series Axial Piston Pump Excavator Travel Swing Drives
HA7V Series Axial Piston Pump
High-Performance Hydraulic Pump for Industrial Applications
Key Specifications:
  • Size range: 20 to 500
  • Nominal pressure: 350 bar
  • Maximum pressure: 400 bar
  • Open circuit design
  • Spherical oil distribution for excellent self-priming performance
  • High efficiency with impact resistance and long service life
  • Drive shaft capable of withstanding radial loads
Technical Specifications
Size 20 28 40 55 58 80 78 107 117 160 250
Variable Modes LV (Constant Power): ● | DR (Constant Pressure): ●/- | EL (Electrical Proportional): ● | HD (Fluid Controlled): ● | MA (Manual): ●
Displacement (Vgmax ml/r) 20.5 28.1 40.1 54.8 58.5 80 78 107 117 160 250
Max. Speed (rpm) 3800-4750 2800-3600 3200-3750 2360-3000 2850-3350 2120-2750 2540-3000 1900-2450 2240-2650 1650-2100 1400-1850
Performance Data
Parameter Value Range
Max. Discharge (l/min) 76-449 depending on size and pressure
Max. Power (kW) 45-270 depending on size and pressure
Rated Flow @1450rpm (l/min) 28.2-351.6 depending on size
Rated Power @350bar (kW) 17-211 depending on size
Key Applications
Construction Machinery:
  • Excavator travel/swing drives
  • Concrete pump truck systems
  • Crane hoisting mechanisms
Industrial Hydraulics:
  • Injection molding machines
  • Machine tool power units
  • Press main pumps
Marine Equipment:
  • Deck machinery (winches, windlasses)
  • Steering gear systems
Energy Sector:
  • Wind turbine pitch control
  • Oil rig hydraulic power units
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