Liebherr LH30VO Axial Piston Hydraulic Pump

Liebherr LH30VO Axial Piston Hydraulic Pump

We are a reputed dealer and repair specialist of the Liebherr LH30VO Axial Piston Hydraulic Pump located in Delhi, India. Liebherr LH30VO axial piston pump is manufactured with a swashplate design and used in medium-pressure ranges.

 

  • Variable Displacement Open Circuit Pump
  • Series LH30VO
  • Medium Pressure Pump
  • Model Sizes : LH30VO28 / LH30VO45 / LH30VO85 / LH30VO100
  • Nominal Pressure 280 Bar
  • Maximum Pressure 320 Bar

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Liebherr LH30VO Axial Piston Hydraulic Pump is manufactured specially for open circuits in mobile and stationary applications.  These pump can be operated with through-drive up to 130% because of  the type of pressure and swashplates of these pumps.

LH30VO is popular for their flexibility of the drive design, It has modular control model kit, that help to provides more than 35 possible control combinations, some of them are discussed below.

  • Power control (LR)
  • Electrical volume flow control (VE) with rising characteristic
  • and additional jump function at signal loss (VK)

Liebherr LH30VO pumps are developed for all kinds of most common applications, which consists driving equipment, ventilation, or steering of a machine. This allows increased performance and the optimised production and assembly processes make the LH30VO an attractive and high-performing product.

 

Technical Specifications

Specifications

Normal size 028 045 085 100
Nominal pressure [pN] [bar] 280 280 280 280
Maximum pressure [pmax] [bar] 320 320 320 320
Displacement volume Vg max inch3
(cm3)
1.75
(28.7)
2.84
(46.5)
5.25
(86.1)
6.32
(103.5)
Vg min inch3
(cm3)
0 0 0 0
volume flow at Vg max and nmax qv max us.liq.gal/min
(1/min)
25.02
(94.7)
36.85
(139.5)
54.58
(206.6)
65.62
(248.4)
Min. speed at Vg max and pabs = 14.5 psi
(1 bar) at the suction port
n min rpm 100* 100* 100* 100*
Max. speed at Vg max and pabs = 14.5 psi
(1 bar) at the suction port
n max rpm 3,300 3,000 2,500 2,400
Drive torque at Vg max and Δp = 4,061 psi
(280 bar)
M max lbf ft
(Nm)
94.3
(127.9)
152.8
(207.2)
283.0

(383.7)

340.1
(461.1)
Drive power at qv max and Δp = 4,061 psi
(280 bar)
P max kW
(hp)
59.3
(44.2)
87.3
(65.1)
134.6
(100.4)
155.4
(115.9)
Driving gear moment of inertia JTW lb·ft2
(kg m2)
0.0475
(0.002)
0.0949
(0.004)
0.2302
(0.0097)
0.3037
(0.0128)
Maximum angular acceleration a rad/s2 7,300 5,400 3,900 3,500
Weight without through-drive (approx.) m ib
(kg)
35.27
(16)
46.30
(21)
85.98
(39)
89.29
(40.5)
Weight with through-drive (approx.) m ib
(kg)
39.68
(18)
52.91
(24)
94.80
(43)
98.55
(44.7)
Torsional stiffness Driving shaft code “A1” lbf ft/rad
(Nm/rad)
14,604
(19,800)
17,406
(23,600)
Driving shaft code “A2” 15,931
(21,600)
20,357
(27,600)
Driving shaft code “A3” 23,602
(32,000)
Driving shaft code “A4” 24,044
(32,600)
Driving shaft code “A5” 51,482
(69,800)
57,087
(77,400)
Driving shaft code “A6” 59,521
(80,700)
67,339
(91,300)
Driving shaft code “A9” 75,157
(101,900)
86,516
(117,300)
Driving shaft code “A10” 76,190
(103,300)
92,269
(125,100)
Depending on the application, a special release can be issued for a lower minimum speed at low operating pressure: please contact Rexton Hydraulic, giving details of the expected load cycle.

Product Models

Model Sizes : LH30VO28 / LH30VO45 / LH30VO85 / LH30VO100