Liebherr DPVO Axial Piston Hydraulic Pump

DPVO LIEBHERR AXIAL PISTON VARIABLE DISPLACEMENT PUMP

DPVO 550 Axial Piston Variable Displacement Double Pump Supplier

DPVO 550 Axial Piston Variable Displacement Double Pump

Liebherr DPVO Axial Piston Hydraulic Pump

We “Rexton Hydaulic” can supply all sizes of Liebherr DPVO Axial Piston Hydraulic Pump including their complete range. Our technicians have the right knowledge and expertise to tackle any problem it might have, as a leading Liebherr DPVO Axial Piston Hydraulic Pump repair service provider, we will make quick fixes without compromising on quality.

Axial Piston Pumps, Open Circuit, Variable Displacement Pump
Series DPVO, DPVO500
Model Sizes : 108 / 140 / 165 / 165 impeller / 215 / 215 impeller / 550 impeller.
Nominal Pressure 380 / 400 bar 5,802 psi
Maximum Pressure 420 / 450 bar 6,526.70 psi

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Description
Technical Specifications
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Liebherr DPVO Axial Piston Hydraulic Pumps are designed as swashplates for open circuits. They are variable displacement types of pumps, available in nominal sizes ranging from 108 to 215. 5,802 psi (400 bar) is he nominal pressure of the pumps and the maximum pressure is 6,527 psi (450 bar) absolute.

Liebherr has designed these pumps for high pressure applications with inverted piston design. These pump features 100 percent through-drive capability with a 22° swivel angle and capacity of high pressure. Additionally, these can be combined with all common controls.

The variable displacement pump is also available with impeller In nominal sizes 165 and 215. This helps to achieve a higher displacement and a higher self-suction speed.

Technical Specifications

Specifications

Normal size				108	140	165		215		550
Normal size				108	140	without impeller	with impeller	without impeller	with impeller	550
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	216.6	216.6	550
Displacement volume		Vg _min	cm³	0 – 15% of Vg max < 15% of Vg max on request						0 or 82
Max. speed at Vg _max and Pabs = 1 bar at the suction port		n_max	rpm	2100	2100	2100	2300	2000	2600	1450
Volume flow at n_maxand Vg _max*		qv_max	1/min	226	294	352	386	433	563	797
Drive power at qv_max and Δp = 400 bar		P_max	kW	151	196	235	257	289	375	505
Drive torque at Vg _max and Δp = 400 bar		M_max	Nm	685	892	1067	1067	1378	1378	3330
Torsional rigidity	Shaft DIN 5480	Nm/rad		157000	228800	247700	247700	320900	320300	980
Torsional rigidity	ANSI B92.1a-1976 1 3/4 IN 13T 8/16 DP	Nm/rad		–	195600	230400	–	226200	225100	980
Driving gear moment of inertia		J_TW	kgm²	0.015	0.024	0.031	0.031	0.048	0.047	0.28
Weight (approx.)		m	kg	56	65	74	92	125	125	373