Variable Displacement Axial Piston Pump for Open Circuit

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Website: http://hydraulicsystem-en.com/1-1-9-variable-displacement-pump.html

The HL-A10VO variable displacement pump is designed for machines requiring medium-pressure operation, offering an exceptional power-to-weight ratio and a compact structure that optimizes performance and space utilization.

Displacement 10-100 cm³/rev
Nominal pressure 250 bar
Max. allowable pressure 315 bar

Technical Data

Size

Displacement
(cm³/rev)

Max. speed
(rpm)

n_onm

n_max

Max. Flow
(L/min)

an=n_max

n=1500rpm

Max. Power(kw)
Δp=350 bar

n=n_max

n=1500rpm

Details

10.5

3600

4320

Geometric displacement		V_{g max}	cm³/rev	10.5
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	3600
Max. rotation speed	at V_g=V_{g max}		rpm	4320
Max. flow	at n=n_{o max}	q_{vo max}	L/min	37
Max. flow	at n=1500 rpm		L/min	15
Max. power	at n=n_{o max}	P_{o max}	kW	16
Max. power	at n=1500 rpm		kW	7
Torque	at Δp=280bar	T_max	Nm	42
Torque	at Δp=100bar	T	Nm	17
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	9200
	Shaft end R	C	Nm/rad	-
	Shaft end U	C	Nm/rad	6800
	Shaft end W	C	Nm/rad	-
	Shaft end P	C	Nm/rad	10700
Moment of inertia for rotary group		J	kgm²	0.0006
Max. angular acceleration		a	rad/s²	8000
Case volume		V	L	0.2
Weight without through drive (approx.)		m	kg	8
Weight with through drive (approx.)				-

3300

3960

Geometric displacement		V_{g max}	cm³/rev	18
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	3300
Max. rotation speed	at V_g=V_{g max}		rpm	3960
Max. flow	at n=n_{o max}	q_{vo max}	L/min	59
Max. flow	at n=1500 rpm		L/min	27
Max. power	at n=n_{o max}	P_{o max}	kW	25
Max. power	at n=1500 rpm		kW	11
Torque	at Δp=280bar	T_max	Nm	71
Torque	at Δp=100bar	T	Nm	29
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	11000
	Shaft end R	C	Nm/rad	14800
	Shaft end U	C	Nm/rad	8000
	Shaft end W	C	Nm/rad	-
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.0009
Max. angular acceleration		a	rad/s²	6800
Case volume		V	L	0.25
Weight without through drive (approx.)		m	kg	11.5
Weight with through drive (approx.)				13

3000

3600

Geometric displacement		V_{g max}	cm³/rev	28
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	3000
Max. rotation speed	at V_g=V_{g max}		rpm	3600
Max. flow	at n=n_{o max}	q_{vo max}	L/min	84
Max. flow	at n=1500 rpm		L/min	42
Max. power	at n=n_{o max}	P_{o max}	kW	35
Max. power	at n=1500 rpm		kW	18
Torque	at Δp=280bar	T_max	Nm	111
Torque	at Δp=100bar	T	Nm	45
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	223000
	Shaft end R	C	Nm/rad	26300
	Shaft end U	C	Nm/rad	16700
	Shaft end W	C	Nm/rad	19900
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.0017
Max. angular acceleration		a	rad/s²	5500
Case volume		V	L	0.3
Weight without through drive (approx.)		m	kg	15
Weight with through drive (approx.)				18

2600

3120

117

Geometric displacement		V_{g max}	cm³/rev	45
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2600
Max. rotation speed	at V_g=V_{g max}		rpm	3120
Max. flow	at n=n_{o max}	q_{vo max}	L/min	117
Max. flow	at n=1500 rpm		L/min	68
Max. power	at n=n_{o max}	P_{o max}	kW	49
Max. power	at n=1500 rpm		kW	28
Torque	at Δp=280bar	T_max	Nm	179
Torque	at Δp=100bar	T	Nm	72
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	37500
	Shaft end R	C	Nm/rad	41000
	Shaft end U	C	Nm/rad	30000
	Shaft end W	C	Nm/rad	34400
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.003
Max. angular acceleration		a	rad/s²	4000
Case volume		V	L	0.5
Weight without through drive (approx.)		m	kg	18
Weight with through drive (approx.)				24

2700

3140

162

Geometric displacement		V_{g max}	cm³/rev	60
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2700
Max. rotation speed	at V_g=V_{g max}		rpm	3140
Max. flow	at n=n_{o max}	q_{vo max}	L/min	162
Max. flow	at n=1500 rpm		L/min	90
Max. power	at n=n_{o max}	P_{o max}	kW	65
Max. power	at n=1500 rpm		kW	37
Torque	at Δp=280bar	T_max	Nm	238
Torque	at Δp=100bar	T	Nm	95
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	65500
	Shaft end R	C	Nm/rad	69400
	Shaft end U	C	Nm/rad	49200
	Shaft end W	C	Nm/rad	54000
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.0056
Max. angular acceleration		a	rad/s²	3300
Case volume		V	L	0.8
Weight without through drive (approx.)		m	kg	22
Weight with through drive (approx.)				28

2600

3140

163

Geometric displacement		V_{g max}	cm³/rev	63
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2600
Max. rotation speed	at V_g=V_{g max}		rpm	3140
Max. flow	at n=n_{o max}	q_{vo max}	L/min	163
Max. flow	at n=1500 rpm		L/min	95
Max. power	at n=n_{o max}	P_{o max}	kW	68
Max. power	at n=1500 rpm		kW	39
Torque	at Δp=280bar	T_max	Nm	250
Torque	at Δp=100bar	T	Nm	100
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	65500
	Shaft end R	C	Nm/rad	69400
	Shaft end U	C	Nm/rad	49200
	Shaft end W	C	Nm/rad	54000
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.0056
Max. angular acceleration		a	rad/s²	3300
Case volume		V	L	0.8
Weight without through drive (approx.)		m	kg	22
Weight with through drive (approx.)				28

2600

3140

187

Geometric displacement		V_{g max}	cm³/rev	72
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2600
Max. rotation speed	at V_g=V_{g max}		rpm	3140
Max. flow	at n=n_{o max}	q_{vo max}	L/min	187
Max. flow	at n=1500 rpm		L/min	108
Max. power	at n=n_{o max}	P_{o max}	kW	77
Max. power	at n=1500 rpm		kW	45
Torque	at Δp=280bar	T_max	Nm	286
Torque	at Δp=100bar	T	Nm	114
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	65500
	Shaft end R	C	Nm/rad	69400
	Shaft end U	C	Nm/rad	49200
	Shaft end W	C	Nm/rad	54000
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.0056
Max. angular acceleration		a	rad/s²	3300
Case volume		V	L	0.8
Weight without through drive (approx.)		m	kg	22
Weight with through drive (approx.)				28

2500

3000

212

128

Geometric displacement		V_{g max}	cm³/rev	85
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2500
Max. rotation speed	at V_g=V_{g max}		rpm	3000
Max. flow	at n=n_{o max}	q_{vo max}	L/min	212
Max. flow	at n=1500 rpm		L/min	128
Max. power	at n=n_{o max}	P_{o max}	kW	89
Max. power	at n=1500 rpm		kW	53
Torque	at Δp=280bar	T_max	Nm	338
Torque	at Δp=100bar	T	Nm	135
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	143000
	Shaft end R	C	Nm/rad	152900
	Shaft end U	C	Nm/rad	102900
	Shaft end W	C	Nm/rad	117900
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.012
Max. angular acceleration		a	rad/s²	2700
Case volume		V	L	1
Weight without through drive (approx.)		m	kg	36
Weight with through drive (approx.)				45

100

2300

2500

230

150

Geometric displacement		V_{g max}	cm³/rev	100
Max. rotation speed	at V_g=V_{g max}	n_{o max}	rpm	2300
Max. rotation speed	at V_g=V_{g max}		rpm	2500
Max. flow	at n=n_{o max}	q_{vo max}	L/min	230
Max. flow	at n=1500 rpm		L/min	150
Max. power	at n=n_{o max}	P_{o max}	kW	96
Max. power	at n=1500 rpm		kW	62
Torque	at Δp=280bar	T_max	Nm	398
Torque	at Δp=100bar	T	Nm	159
Rotary stiffness of drive shaft	Shaft end S	C	Nm/rad	143000
	Shaft end R	C	Nm/rad	-
	Shaft end U	C	Nm/rad	102900
	Shaft end W	C	Nm/rad	117900
	Shaft end P	C	Nm/rad	-
Moment of inertia for rotary group		J	kgm²	0.012
Max. angular acceleration		a	rad/s²	2700
Case volume		V	L	1
Weight without through drive (approx.)		m	kg	36
Weight with through drive (approx.)				45

Size	Displacement (cm³/rev)	Max. speed (rpm)			Max. Flow (L/min)		Max. power(kw) Δp=350 bar
Size	Displacement (cm³/rev)	n_onm		n_max	an=n_max	n=1500rpm	n=n_max	n=1500rpm
10	10.5	3600	4320		37	15	16	7
18	18	3300	3960		59	27	25	11
28	28	3000	3600		84	42	35	18
45	45	2600	3120		117	68	49	28
60	60	2700	3140		162	90	65	37
63	63	2600	3140		163	95	68	39
72	72	2600	3140		187	108	77	45
85	85	2500	3000		212	128	89	53
100	100	2300	2500		230	150	96	62

Features

axial piston variable displacement pump Swashplate design provides smooth and efficient hydrostatic drive in open circuits.
proportional flow control Flow rate adjusts in direct proportion to drive speed and displacement.
seamless flow adjustment Stepless displacement variation is achieved by adjusting the swashplate angle.
robust bearing system Designed for long service life and reliable operation under demanding conditions.
high transmission speeds Capable of operating at high rotational speeds while maintaining stability.
optimized power-to-weight ratio Compact size enhances installation flexibility without compromising performance.
low-noise operation Engineered to minimize sound levels for quieter work environments.
superior suction performance Ensures efficient fluid intake for continuous operation.
advanced control options
- oelectro-hydraulic pressure control for precise pressure adjustments.
- opower control to optimize energy consumption.
- oelectro-proportional swashplate angle control for enhanced responsiveness.
fast response time Delivers quick reaction speeds for improved system efficiency.

Applications

Construction Machinery

Mining and Quarrying Equipment

This axial piston pump provides the efficiency, durability, and control your hydraulic system needs. Let’s find the best solution for your application. Contact us today!