Rexroth Pump
Rexroth Axial Piston Fixed Pump A4FO
  • Description
  • Technique Feature
  • Specification
  • Applied Range

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Data Sheet of REXROTH A4FO

REXROTH Type Code of A4FO Series

 

Rexroth Axial Piston Fixed Pump A4FO Description

- All-purpose high pressure pump with through drive;

- Size 22 … 500, such as A4FO22, A4FO28, A4FO71, A4FO125, A4FO180, A4FO250, A4FO500;

- Nominal pressure up to 400 bar;

- Maximum pressure up 450 bar;

- The A4FO pump is designed to be used in open circuits.

 

Rexroth Pump A4FO has been widely applied to the field of construction machinery, such as concrete pump truck, crane, excavator, loader, cement mixer etc.,

HEASH TECH is know the hydraulics! So please feel free inquiry us if you have any interested in Rexroth pump A4FO series, such as A4FO22, A4FO28, A4FO71, A4FO125, A4FO180, A4FO250, A4FO500.

Rexroth A4FO Technical Data

Size 22 28 71 125 180 250 500 250 500
Version Standard High speed
Displacement   Vg cm³ 22 28 71 125 180 250 500 250 500
geometric, per revolution
Nominal pressure   pnom bar 400 400 350 350 350 350 350 350 350
Maximum pressure   pmax bar 450 450 400 400 450 400 400 400 400
Maximum speed 1)   nnom rpm 3600 3000 2200 1800 1800 1500 1320 1900 1500
Flow at nnom qV l/min 79 84 156 225 324 375 660 475 750
Power at nnomand pnom P kW 53 56 91 131 189 219 385 277 438
Torque at pnom M Nm 140 178 396 696 1003 1393 2785 1393 2785
Weight (approx.)   m kg 13.5 13.5 34 61 76 120 220 120 220
1) These values are valid at:
- an absolute pressure of pabs = 1 bar at suction port S
- for the optimum viscosity range from vopt = 36 to 16 mm2/s
- with hydraulic fluid based on mineral oils

Rexroth A4FO Features

- Through drive for mounting of further pumps up to same nominal size

- Low noise

- Very long service life at high pressures

- Excellent suction characteristics

- Working ports SAE flange

- High total efficiency

- Swashplate design

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