DPVO Axial piston pump Variable displacement pump

The pumps with open circuit and inverse piston technology are design especially for high pressure applications and impress with their large swing angle as well as a high resistance to pressure. They offer a through-drive of 100 percent and can be combined with all conventional controllers.
Gallery loading.
Circulation open
Adjustability variable
Nominal pressure 380 / 400 bar
Maximum pressure 420 / 450 bar
Nominal sizes 108 / 140 / 165 / 165 impeller / 215 / 215 impeller / 550 impeller
Areas of application Agriculture and forestry / Building construction and civil engineering / Machinery and plant construction / Maritime applications / Mining / Special vehicles

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Max. driving power [Pmax] 151 - 505 kW
Max. torque [Mmax] 685 - 3,330 Nm
Nominal size 108 140 165 165 impeller 215 215 impeller 550 impeller
Nominal pressure [pN] [bar] 400 400 400 400 400 400 380
Maximum pressure [pmax] [bar] 450 450 450 450 450 450 420
Displacement volume [Vg max] [cm³] 107.7 140.2 167.8 167.8 216.5 216.5 550.0
Max. speed at Vg max and pabs = 1 bar at the suction port [nmax] [rpm] 2,100 2,100 2,100 2,300 2,000 2,600 1,450
Volume flow at Vg max and nmax [qv max] [l/min] 226 294 352 386 433 563 797
Max. driving power [Pmax] [kW] 151 196 235 257 289 375 505
Max. torque [Mmax] [Nm] 685 892 1,067 1,067 1,378 1,378 3,330
Variants
Variable displacement pump DPVO 550i

Variable displacement pump DPVO 550i

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Bulle production site

Liebherr develops and produces diesel and gas engines, injection systems, hydraulic components and splitter boxes in Bulle (Switzerland). Liebherr Machines Bulle SA