Variable Displacement Axial Piston Pump for Open Circuit Manufacturer

Variable Displacement Axial Piston Pump for Open Circuit

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The HL-A4VSO variable displacement pump is designed to adapt to your system's needs, ensuring efficient and reliable hydraulic power output for your open-loop applications. Whether you're managing industrial equipment or mobile machinery, this pump provides the precise control and high performance you require.

Displacement 40-500 cm³/rev
Nominal pressure 350 bar
Max. allowable pressure 400 bar

Technical Data

Size

Displacement
(cm³/rev)

Max. speed
(rpm)

Max. Flow
(L/min)

an=n_max

n=1500rpm

Max. Power(kw)
Δp=350 bar

n=n_max

n=1500rpm

Details

2600

104

Displacement	V_{g max}	cm³/rev	40
Max. rotation speed	n_max	rpm	2600
Max. flow	at n=n_max	L/min	104
Max. flow	at n=1500rpm	L/min	60
Max. power Δp=350 bar	at n=n_max	kW	61
Max. power Δp=350 bar	at n=1500rpm	kW	35
Max. torque	(Δp=350 bar)	Nm	223
Torque	(Δp=100 bar)	Nm	64
Weight	approx.	kg	40

2200

156

107

Displacement	V_{g max}	cm³/rev	71
Max. rotation speed	n_max	rpm	2200
Max. flow	at n=n_max	L/min	156
Max. flow	at n=1500rpm	L/min	107
Max. power Δp=350 bar	at n=n_max	kW	91
Max. power Δp=350 bar	at n=1500rpm	kW	62
Max. torque	(Δp=350 bar)	Nm	395
Torque	(Δp=100 bar)	Nm	113
Weight	approx.	kg	54

125

1800

225

186

131

109

Displacement	V_{g max}	cm³/rev	125
Max. rotation speed	n_max	rpm	1800
Max. flow	at n=n_max	L/min	225
Max. flow	at n=1500rpm	L/min	186
Max. power Δp=350 bar	at n=n_max	kW	131
Max. power Δp=350 bar	at n=1500rpm	kW	109
Max. torque	(Δp=350 bar)	Nm	696
Torque	(Δp=100 bar)	Nm	199
Weight	approx.	kg	87

180

1800

324

270

189

158

Displacement	V_{g max}	cm³/rev	180
Max. rotation speed	n_max	rpm	1800
Max. flow	at n=n_max	L/min	324
Max. flow	at n=1500rpm	L/min	270
Max. power Δp=350 bar	at n=n_max	kW	189
Max. power Δp=350 bar	at n=1500rpm	kW	158
Max. torque	(Δp=350 bar)	Nm	1002
Torque	(Δp=100 bar)	Nm	286
Weight	approx.	kg	103

250

1500

375

219

Displacement	V_{g max}	cm³/rev	250
Max. rotation speed	n_max	rpm	1500
Max. flow	at n=n_max	L/min	375
Max. flow	at n=1500rpm	L/min	375
Max. power Δp=350 bar	at n=n_max	kW	219
Max. power Δp=350 bar	at n=1500rpm	kW	219
Max. torque	(Δp=350 bar)	Nm	1391
Torque	(Δp=100 bar)	Nm	398
Weight	approx.	kg	186

355

1500

532

310

Displacement	V_{g max}	cm³/rev	355
Max. rotation speed	n_max	rpm	1500
Max. flow	at n=n_max	L/min	532
Max. flow	at n=1500rpm	L/min	532
Max. power Δp=350 bar	at n=n_max	kW	310
Max. power Δp=350 bar	at n=1500rpm	kW	310
Max. torque	(Δp=350 bar)	Nm	1976
Torque	(Δp=100 bar)	Nm	564
Weight	approx.	kg	206

500

1320

600

—

385

—

Displacement	V_{g max}	cm³/rev	500
Max. rotation speed	n_max	rpm	1320
Max. flow	at n=n_max	L/min	600
Max. flow	at n=1500rpm	L/min	-
Max. power Δp=350 bar	at n=n_max	kW	385
Max. power Δp=350 bar	at n=1500rpm	kW	-
Max. torque	(Δp=350 bar)	Nm	2783
Torque	(Δp=100 bar)	Nm	795
Weight	approx.	kg	318

Size	Displacement (cm³/rev)	Max. speed (rpm)	Max. Flow (L/min)		Max. Power(kw) Δp=350 bar		Details
Size	Displacement (cm³/rev)	Max. speed (rpm)	an=n_max	n=1500rpm	n=n_max	n=1500rpm	Details
40	40	2600	104	60	61	35
71	71	2200	156	107	91	62
125	125	1800	225	186	131	109
180	180	1800	324	270	189	158
250	250	1500	375	375	219	219
355	355	1500	532	532	310	310
500	500	1320	600	-	385	-

Features

Engineered for Open-Circuit Systems Designed for applications requiring variable flow control and high efficiency.
Axial Piston Variable Displacement Pump Uses a swashplate mechanism for seamless displacement adjustments.
Flow Proportional to Speed and Displacement Ensures smooth and reliable hydraulic output for your applications.
Exceptional Suction Performance Optimized for continuous and stable operation in your system.
Compact and Lightweight Design Reduces your system’s footprint while maintaining high power output.
Low-Noise Operation Designed to minimize vibration and enhance efficiency in your setup.
Hydrostatic Balanced Shoes Improve durability and wear resistance, extending your equipment’s lifespan.
Fast Response Control Provides rapid system adjustments for your dynamic applications.
Integrated Swashplate Angle Indicator Allows for precise monitoring and adjustments tailored to your needs.
Control Mode DR, DP, FR, DFR, LR2, LR2G, LR2D, EM, HM, HS, HD, MA, EO, DS1

Applications

Construction Machinery

Marine and Offshore Equipment

Mining and Quarrying Equipment

Metallurgical and Steelmaking Equipment

This axial piston pump provides the performance, adaptability, and durability your hydraulic system demands. Contact us today to find the right solution for your application.