Hydraulic Pump
Hydraulic Pump
A4FO Hydraulic Pump
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A4FO Replacement Axial Piston Fixed Pump

Features：
▶ Fixed pump in axial piston swashplate design for hydrostatic drives in an open circuit
▶ For use in mobile and stationary applications
▶ Flow is proportional to the drive speed and displacement.
▶ High power density
▶ High total efficiency
▶ Optimized dimensions for special installation situations
▶ Excellent suction characteristics
▶ Low noise level
▶ Long service life
▶ Economical design
▶ Through drive for combining additional pumps                                     
▶ Sizes 22 and 28
– Nominal pressure 400 bar
– Maximum pressure 450 bar
▶ Sizes 71 to 500
– Nominal pressure 350 bar
– Maximum pressure 400 bar

Size 22 28 71 125 180 250 500 250 500
Series Standard High-speed
Displacement (per rotary group) Vg max cm³ 22 28 71 125 180 250 500 250 500
Nominal pressure pnom bar
Maximum pressure pmax bar 400 400 350 350 350 350 350 350 350
Maximum speed 1) at Vg max nnom rpm 450 450 400 400 450 400 400 400 400
Flow pump 1 at Vg max and nnom qV nom1 l/min 3600 3000 2200 1800 1800 1500 1320 1900 1500
Flow pump 2 at Vg max and nnom qV nom2 l/min 79 84 156 225 324 375 660 475 750
Power at qV nom and pnom P kW 53 56 91 131 189 219 385 277 438
Torque at Vg max and 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
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