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A11VO High Pressure Rexroth Piston Pumps

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A11VO High Pressure Rexroth Piston Pumps

A11VO axial piston variable displacement pumps are available in 40, 60, 75, 95, 130, 145, 190 and 260 series to meet different hydraulic system requirements.

Operating at a nominal pressure of 350 bar and up to 400 bar, the A11VO series provides powerful power for demanding applications. Its open piston pump design ensures efficient operation and consistent performance under varying conditions.

Characteristic

The A11VO is a variable displacement axial piston pump with a swash plate design. The Rexroth A11VO high-pressure Rexroth piston pump operates under self-priming conditions for excellent tank pressurization and can optionally be equipped with a charge pump (impeller) to provide stable, continuous hydraulic power to the system.

Comprehensive control options are also available. Its power control option is externally adjustable, meaning power can be fine-tuned as needed even while the pump is running. This design greatly increases the convenience and efficiency of operation. Its thru-shaft drive design allows it to be easily used with gear pumps and axial flow pumps for 100% drive through.

The output flow rate of the Rexroth A11VO piston pump is directly proportional to the drive speed, which means that the change in flow rate is directly related to the drive speed. Between qV max and qV min, unlimited variations are possible, allowing the pump to excel in a variety of applications, whether high or low flows are required.

The Rexroth A11VO piston pump demonstrates its performance in open circuit hydraulic systems thanks to its swash plate design, excellent control options, efficient through-shaft transmission and proportional relationship between flow and speed. It works brilliantly in mobile applications and other systems requiring hydrostatic actuation.

Parameter

A11VO High Pressure Rexroth Piston Pumps
ย 
Size A11VO 40 60 75 95 130 145 190 260
Displacement Vg max cm3 42 58.5 74 93.5 130 145 193 260
Vg min cm3 0 0 0 0 0 0 0 0
Speed
maximum at Vg max
maximum at Vg ยฃ Vg max
nmax rpm 3000 2700 2550 2350 2100 2200 2100 1800
nmax1 rpm 3500 3250 3000 2780 2500 2500 2100 2300
Flow
at nmax and Vg max
qv max l/min 126 158 189 220 273 319 405 468
Power at
qv max and ฮ”p = 350 bar
Pmax kW 74 92 110 128 159 186 236 273
Torque at
Vg max and ฮ”p = 350 bar
Tmax Nm 234 326 412 521 724 808 1075 1448
Rotary stiffness Z shaft Nm/rad 88894 102440 145836 199601 302495 302495 346190 686465
P shaft Nm/rad 87467 107888 143104 196435 312403 312403 383292 653835
S shaft Nm/rad 58347 86308 101921 173704 236861 236861 259773 352009
T shaft Nm/rad 74476 102440 125603 โ€“ โ€“ โ€“ 301928 567115
Moment of inertia for rotary group JTW kgm2 0.0048 0.0082 0.0115 0.0173 0.0318 0.0341 0.055 0.0878
Angular acceleration, max. a rad/s2 22000 17500 15000 13000 10500 9000 6800 4800
Filling capacity V l 1.1 1.35 1.85 2.1 2.9 2.9 3.8 4.6
Mass (approx.) m kg 32 40 45 53 66 76 95 125

Dimension

Application

Rexroth A11VO piston pump is a key component of a series of construction machinery hydraulic transmission systems. The hydraulic power is stable and reliable, and the control is precise. It is an ideal choice for concrete pump trucks, scraper machinery, concrete machinery, road machinery, compaction machinery, and hoisting machinery.

A11VO High Pressure Rexroth Piston Pumps

A11VO axial piston variable displacement pumps are available in 40, 60, 75, 95, 130, 145, 190 and 260 series to meet different hydraulic system requirements. Operating at a nominal pressure of 350 bar and up to 400 bar, the A11VO series provides powerful power for demanding applications. Its open piston pump design ensures efficient operation and consistent performance under varying conditions.

Characteristic

The A11VO is a variable displacement axial piston pump with a swash plate design. The Rexroth A11VO high-pressure Rexroth piston pump operates under self-priming conditions for excellent tank pressurization and can optionally be equipped with a charge pump (impeller) to provide stable, continuous hydraulic power to the system.

Comprehensive control options are also available. Its power control option is externally adjustable, meaning power can be fine-tuned as needed even while the pump is running. This design greatly increases the convenience and efficiency of operation. Its thru-shaft drive design allows it to be easily used with gear pumps and axial flow pumps for 100% drive through.

The output flow rate of the Rexroth A11VO piston pump is directly proportional to the drive speed, which means that the change in flow rate is directly related to the drive speed. Between qV max and qV min, unlimited variations are possible, allowing the pump to excel in a variety of applications, whether high or low flows are required.

The Rexroth A11VO piston pump demonstrates its performance in open circuit hydraulic systems thanks to its swash plate design, excellent control options, efficient through-shaft transmission and proportional relationship between flow and speed. It works brilliantly in mobile applications and other systems requiring hydrostatic actuation.

Parameter

A11VO High Pressure Rexroth Piston Pumps
ย 
Size A11VO 40 60 75 95 130 145 190 260
Displacement Vg max cm3 42 58.5 74 93.5 130 145 193 260
Vg min cm3 0 0 0 0 0 0 0 0
Speed
maximum at Vg max
maximum at Vg ยฃ Vg max
nmax rpm 3000 2700 2550 2350 2100 2200 2100 1800
nmax1 rpm 3500 3250 3000 2780 2500 2500 2100 2300
Flow
at nmax and Vg max
qv max l/min 126 158 189 220 273 319 405 468
Power at
qv max and ฮ”p = 350 bar
Pmax kW 74 92 110 128 159 186 236 273
Torque at
Vg max and ฮ”p = 350 bar
Tmax Nm 234 326 412 521 724 808 1075 1448
Rotary stiffness Z shaft Nm/rad 88894 102440 145836 199601 302495 302495 346190 686465
P shaft Nm/rad 87467 107888 143104 196435 312403 312403 383292 653835
S shaft Nm/rad 58347 86308 101921 173704 236861 236861 259773 352009
T shaft Nm/rad 74476 102440 125603 โ€“ โ€“ โ€“ 301928 567115
Moment of inertia for rotary group JTW kgm2 0.0048 0.0082 0.0115 0.0173 0.0318 0.0341 0.055 0.0878
Angular acceleration, max. a rad/s2 22000 17500 15000 13000 10500 9000 6800 4800
Filling capacity V l 1.1 1.35 1.85 2.1 2.9 2.9 3.8 4.6
Mass (approx.) m kg 32 40 45 53 66 76 95 125

Dimension

Application

Rexroth A11VO piston pump is a key component of a series of construction machinery hydraulic transmission systems. The hydraulic power is stable and reliable, and the control is precise. It is an ideal choice for concrete pump trucks, scraper machinery, concrete machinery, road machinery, compaction machinery, and hoisting machinery.

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