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Axial Piston Units
Variable Pump A20VO 

Sizes 60...520
Axial piston swashplate design
Series 1
Open circuits
Nominal pressure
     Size 60:     250 bar
     Sizes 95...520:     350 bar
Peak pressure
     Size 60:     315 bar
     Sizes 95...520:     400 bar
 
Variable double pump for devices with multi-circuit operation in the open circuit, such as excavators, cranes, drilling equipment etc.
  • One suction port, two service ports
  • The pump functions using self-priming, tank charging or a charge pump (sizes 190 - 260).
  • Proven rotary group technology
  • Possible to mount additional gear pumps and axial piston pumps on through drive


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Documentation

Data sheet 

Size       60 95 190 *) 260 *) 520    
Displacement (per rotary group) Vg max cm³ 60 93,8 192,7 260 520    
Max. speed 1) at Vg max nnom rpm 2700 2350 2500 2300 1450    
Flow at nnom qV l/min 2 x 157 2 x 214 2 x 467 2 x 580 2 x 754    
Power Δp = 250 bar P kW 135 - - - -    
  Δp = 350 bar P kW - 258 560 696 880    
Torque Δp = 250 bar T Nm 477 - - - -    
  Δp = 350 bar T Nm - 1044 2145 2894 5796    
Weight (approx.) m kg 44 - - - 640    
¹)  These values are valid at an absolute pressure of 1 bar in suction port S (sizes 60, 95, 520) or at least 0.8 bar (sizes 190, 260)
*  A20VLO (with charge pump)

DR LR HD EP
Pressure control Power controller Proportional control hydraulic Proportional control electric
Vg      = Displacement
pB      = Operating pressure
pSt      = Pilot pressure
I      = Control current



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Product Catalog Mobile Hydraulics, online version, last changed 2013-02-14
©Bosch Rexroth AG, subject to change