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Program Information Mobile Hydraulics, Mobile ... - Bosch Rexroth AG

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Variable Double Pump A8VO<br />

Sizes 55...200<br />

Axial tapered piston bent axis design<br />

Series 6<br />

Open circuits<br />

Nominal pressure: 350 bar<br />

Peak pressure: 400 bar<br />

Vg min<br />

Vg max<br />

Variable double pump for devices<br />

with multi-circuit operation in the<br />

open circuit, such as excavators,<br />

cranes, drilling equipment etc.<br />

The range of control equipment<br />

and the supplementary equipment<br />

are tailored to the specific requirements.<br />

- Integrated auxiliary pump with<br />

pressure relief valve, optionally<br />

with additional pressure reducing<br />

valve<br />

- Power take-off for mounting gear<br />

pumps and axial piston pumps<br />

- Power override control<br />

- Hydraulic stroke limitation<br />

- Load sensing control<br />

Detailed information:<br />

A8VO RE 93010<br />

Size 55 80 107 140 200<br />

Displacement (per rotary group) Vg max cm³ 54,8 80 107 140 200<br />

Speed 1) at Vg max nmax rpm 2500 2240 2150 2100 1950<br />

Flow at nmax qVmax l/min 2 x 137 2 x 179 2 x 230 2 x 294 2 x 390<br />

Power Pmax kW 160 209 268 294 325<br />

Torque Tmax Nm 611 891 1192 1337 1592<br />

Weight (approx.) m kg 82 90 116 146 180<br />

¹) These values are valid at an absolute pressure of 1 bar in suction port S<br />

LA0<br />

LA1<br />

EP<br />

Individual power con- Individual power Electrical control,<br />

trol (spring control) control with load limi- with proportional<br />

ting control (spring<br />

control)<br />

solenoid<br />

pB1 + pB2 pB1 + pB2 I<br />

Vg = Displacement<br />

pSt pB1 = Operating pressure 1st pump<br />

pB2 = Operating pressure 2nd pump<br />

pSt = Pilot pressure<br />

I = Control current<br />

Vg min<br />

Vg max<br />

Vg min<br />

Vg max<br />

21<br />

1

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