Variable Displacement Pump 74-260cm³/rev

Technical Data

Size

Displacement (cm³/rev)

V_gmax

V_gmin

Max. speed (rpm)

V_gmax

V_gV≤V_gmax

Max. Flow (L/min)

Max. Power(kw)
Δp=350 bar

Details

2550

3000

189

110

Geometric displacement		V_gmax	cm³/rev	74
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2550
Rotation speed	at V_g≤V_gmax	n_max1	rpm	3000
Flow	at n_max and V_gmax	q_{v max}	L/min	189
Power	at q_{v max} and Δp=350bar	P_max	kW	110
Torque	at V_gmax and Δp=350bar	T_max	Nm	412
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	145836
	Shaft end P	c	Nm/rad	143104
	Shaft end S	c	Nm/rad	101921
	Shaft end T	c	Nm/rad	125603
Moment of inertia for rotary group		J_TW	kgm²	0.0115
Max. angular acceleration		α	rad/s²	15000
Case volume		V	L	1.85
Weight	approx.	m	kgm²	45

93.5

2350

2780

220

128

Geometric displacement		V_gmax	cm³/rev	93.5
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2350
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2780
Flow	at n_max and V_gmax	q_{v max}	L/min	220
Power	at q_{v max} and Δp=350bar	P_max	kW	128
Torque	at V_gmax and Δp=350bar	T_max	Nm	521
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	199601
	Shaft end P	c	Nm/rad	196435
	Shaft end S	c	Nm/rad	173704
	Shaft end T	c	Nm/rad
Moment of inertia for rotary group		J_TW	kgm²	0.0173
Max. angular acceleration		α	rad/s²	13000
Case volume		V	L	2.1
Weight	approx.	m	kgm²	53

115

93.5

2350

2780

220

128

Geometric displacement		V_gmax	cm³/rev	93.5
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2350
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2780
Flow	at n_max and V_gmax	q_{v max}	L/min	220
Power	at q_{v max} and Δp=350bar	P_max	kW	128
Torque	at V_gmax and Δp=350bar	T_max	Nm	521
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	199601
	Shaft end P	c	Nm/rad	196435
	Shaft end S	c	Nm/rad	173704
	Shaft end T	c	Nm/rad
Moment of inertia for rotary group		J_TW	kgm²	0.0173
Max. angular acceleration		α	rad/s²	13000
Case volume		V	L	2.1
Weight	approx.	m	kgm²	53

130

2100

2500

273

159

Geometric displacement		V_gmax	cm³/rev	130
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2100
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2500
Flow	at n_max and V_gmax	q_{v max}	L/min	273
Power	at q_{v max} and Δp=350bar	P_max	kW	159
Torque	at V_gmax and Δp=350bar	T_max	Nm	724
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	302495
	Shaft end P	c	Nm/rad	312403
	Shaft end S	c	Nm/rad	236861
	Shaft end T	c	Nm/rad
Moment of inertia for rotary group		J_TW	kgm²	0.0318
Max. angular acceleration		α	rad/s²	10500
Case volume		V	L	2.9
Weight	approx.	m	kgm²	66

145

2200

2500

319

186

Geometric displacement		V_gmax	cm³/rev	145
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2200
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2500
Flow	at n_max and V_gmax	q_{v max}	L/min	319
Power	at q_{v max} and Δp=350bar	P_max	kW	186
Torque	at V_gmax and Δp=350bar	T_max	Nm	808
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	302495
	Shaft end P	c	Nm/rad	312403
	Shaft end S	c	Nm/rad	236861
	Shaft end T	c	Nm/rad
Moment of inertia for rotary group		J_TW	kgm²	0.0341
Max. angular acceleration		α	rad/s²	9000
Case volume		V	L	2.9
Weight	approx.	m	kgm²	76

190

193

2100

405

236

Geometric displacement		V_gmax	cm³/rev	193
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	2100
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2100
Flow	at n_max and V_gmax	q_{v max}	L/min	405
Power	at q_{v max} and Δp=350bar	P_max	kW	236
Torque	at V_gmax and Δp=350bar	T_max	Nm	1075
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	346190
	Shaft end P	c	Nm/rad	383292
	Shaft end S	c	Nm/rad	259773
	Shaft end T	c	Nm/rad	301928
Moment of inertia for rotary group		J_TW	kgm²	0.055
Max. angular acceleration		α	rad/s²	6800
Case volume		V	L	3.8
Weight	approx.	m	kgm²	95

260

1800

2300

468

273

Geometric displacement		V_gmax	cm³/rev	260
Geometric displacement		V_gmin	cm³/rev	0
Rotation speed	at V_gmax	n_max	rpm	1800
Rotation speed	at V_g≤V_gmax	n_max1	rpm	2300
Flow	at n_max and V_gmax	q_{v max}	L/min	468
Power	at q_{v max} and Δp=350bar	P_max	kW	273
Torque	at V_gmax and Δp=350bar	T_max	Nm	1448
Rotary stiffness of drive shaft	Shaft end Z	c	Nm/rad	686465
	Shaft end P	c	Nm/rad	653835
	Shaft end S	c	Nm/rad	352009
	Shaft end T	c	Nm/rad	567115
Moment of inertia for rotary group		J_TW	kgm²	0.0878
Max. angular acceleration		α	rad/s²	4800
Case volume		V	L	4.6
Weight	approx.	m	kgm²	125

Size	Displacement (cm³/rev)		Max. speed (rpm)		Max. Flow (L/min)	Max. power (kw)
Size	V_gmax	V_gmin	V_gmax	V_g≤V_gmax	Max. Flow (L/min)	Δp=350 bar
75	74	0	2550	3000	189	110
95	93.5	0	2350	2780	220	128
115	93.5	0	2350	2780	220	128
130	130	0	2100	2500	273	159
145	145	0	2200	2500	319	186
190	193	0	2100	2100	405	236
260	260	0	1800	2300	468	273

Features

Static hydraulic transmission Designed for open-loop hydraulic systems.
Flow proportional to drive speed and displacement Allows stepless adjustment through swivel angle changes.
Auto-supply operation Runs with either pressurized tanks or optional built-in charge pump.
Variety of control options Provides flexibility to meet different application demands.
External power control adjustability Control devices can be adjusted even during operation.
Through-drive capability Compatible with gear pumps or other axial piston pumps of the same size.
Flow output adjustable from zero Provides fine-tuned control between zero and maximum flow.
Control Mode DRS, EP, EPD, LRDU, LES, LRDS, LRDH

Variable Displacement Axial Piston Pump for Open Circuit