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Variable Axial Pump A10VZO

1.Suitable for start/stop operations

2.Suitable for long-term pressure holding operations

3.Well-tried A10 rotary assembly technology

4.optional through-shaft drive

5.high efficiency

6.for first, second and fourth quadrant operations

Detailed description

This hydraulic pump is designed with excellent adaptability to various working conditions, being fully suitable for frequent start/stop operations without affecting its service life or performance stability, which makes it ideal for scenarios requiring intermittent operation. It also performs reliably in long-term pressure holding operations, maintaining stable pressure output for extended periods without obvious pressure loss, effectively meeting the requirements of systems that need continuous pressure retention. The pump adopts well-tried and mature A10 rotary assembly technology, which has been verified through long-term practical application, ensuring high operational stability, low failure rate and easy maintenance. For enhanced versatility, it offers an optional through-shaft drive, allowing flexible connection with other components and expanding its application scope in complex hydraulic systems. Additionally, the pump features high efficiency, which can effectively convert input power into hydraulic energy, reducing energy consumption and improving the overall operational efficiency of the system. It is also compatible with first, second and fourth quadrant operations, enabling bidirectional energy flow and adapting to diverse motion control requirements of hydraulic drives.

Type code A10VZ0

01	02	03	04	05		06	07		08	09	10	11	12	13
A10V	Z	○			/	10		-	V		C		N00

Axial piston unit

Swashplate design, variable

A10V

Application area

Variable-speed drives

Operating mode

Pump, open circuit

○

Size(NG)

04	Geometric displacement, see table of values on page 31	010	018	028	045	071	100	140	180
04	Other available intermediate sizes	003,006,008

Control device

Two-point control

electrical

U=12V

●

○

EZ300¹⁾

U=24V

●

○

EZ400¹⁾

hydraulic

●

○

DGO00¹⁾

Pressure controller

hydraulic

●

○

DRO00

remote controlled hydraulically

●

○

DRGO0

Torque controller

Size 018 to 180

Beginning of control

up to 50 bar

●

○

LA5D0

51 to 90 bar

●

○

LA6D0

91 to 160 bar

●

○

LA7D0

161 to 240 bar

●

○

LA8D0

over 240 bar

●

○

LA9D0

Series

Series 1, index 0

●

Direction of rotation²⁾

07	Viewed on drive shaft	clockwise	R
		counter-clockwise	L

Sealing material

FKM (fluoroelastomer)

Drive shaft

Splined shaft

ANSI B92.1a

standard shaft

●

○

similar to shaft "S" however for higher input torque

●

○

Mounting flange

10	ISO 3019-1 (SAE)	2-hole	●	●	●	-	-	-	-	-	C
10	ISO 3019-1 (SAE)	4-hole	-	-	-	●	○	○	○	○	D

¹⁾Please specify mechanical flow control V_{g max} and V_{g min} in the order text.

²⁾Changing direction of rotation permissible with the same pressure side for decompression

Working port³⁾

		003 to 010	018	028	045	071	100	140	180
11	SAE flange ports at top and bottom, on opposite sides, metric fastening thread with universal through drive	-	-	-	-	○	○	○	○	22U⁵⁾
	SAE flange ports at top and bottom, on opposite sides, metric fastening thread	-	●	●	●	○	○	○	-	12³⁾⁵⁾
	DIN 3852 threaded ports at rear, not for through drive	●	-	-	-	-	-	-	-	14
	DIN 3852 threaded ports on opposite side, only for through drive	●	-	-	-	-	-	-	-	07

Through drive

					003 to 010	018	028	045	071	100	140	180
12	With through-drive shaft, without hub, without intermediate flange; fastening thread metric, with universal through drive, only port plate 22U				-	-	-	-	○	○	○	○	00⁴⁾⁵⁾
	Without through drive, only port plates 12 and 14				●	●	●	●	○	○	○	○	N00
	Port plate 12 and 07
	Flange IS0 3019-1			Hub for splined shaft⁶⁾ Diameter
	Diameter	Mounting⁷⁾		Hub for splined shaft⁶⁾ Diameter
	82-2 (A)		5/8in	9T 16/32DP	●	●	●	●	-	-	-	-	K01
	82-2 (A)		3/4 in	11T 16/32DP	●	●	●	●	-	-	-	-	K52
	101-2(B)		7/8 in	13T 16/32DP	-	-	●	●	-	-	-	-	K68
	101-2(B)		1in	15T 16/32DP	-	-	-	●	-	-	-	-	K04
	Port plate 22U
	Flange ISO 3019-1			Hub for splined shaft⁶⁾ Diameter
	Diameter			Hub for splined shaft⁶⁾ Diameter
	82-2 (A)		5/8 in	9T 16/32DP	-	-	-	-	○	○	○	○	01
	82-2 (A)		3/4 in	11T 16/32DP	-	-	-	-	○	○	○	○	52
	101-2(B)		7/8 in	13T 16/32DP	-	-	-	-	○	○	○	○	68
			1in	15T 16/32DP	-	-	-	-	○	○	○	○	04
			1 1/4in	14T 12/24DP	-	-	-	-	○	○	○	○	06
	127-4 (C)		1in	15T 16/32DP	-	-	-	-	○	○	○	○	E2
	127-4 (C)		1 1/4in	14T 12/24DP	-	-	-	-	○	○	○	○	15
	152-4 (D)		1 1/2in	17T 12/24DP	-	-	-	-	-	○	○	○	96
	152-4 (D)		1 3/4in	13T 8/16DP	-	-	-	-	-	○	○	○	17

Connectors for solenoids

13	without, with hydraulic controllers	0
13	HIRSCHMANN connector - without suppressor diode	H

•= Available ○ = On request - = Not available

3)A stepless mechanical flow control is only standard on version 12 N00 in sizes 018 to 140

V_g_max: Setting range V_{g max} to 50% V_g_max stepless

V_g_min: Please specify setting range V_{g min} to 40% V_{g max} stepless,settings to be specified in plain text.

V_g_max and V_g_min limitations on through drives with port plates 12K..and 22U..can only be carried out via fixed set values, this should also be specified in plain text.

4)See data sheet 95581 universal through drive

5)When ordering sizes 071 to 180 with port plate 22, please order the relevant through drive "U"

Example: A10VZO045DR000/10R-VSD22U01

When ordering sizes 018 to 045 with port plate 12, please order the relevant through drive with "K"

Example: A10VZ0018DR000/10R-VSD12K01

6)Splined shaft according to ANSI B92.1a (splined shafts according to SAE J744)

7) Mounting holes pattern viewed on through drive with control at top

Technical data A10VZO size 3 to 45

Size		NG		3	6	8	10	18	28	45
Displacement, geometric,per revolution		V_g_max	cm³	3.5	6	8	10.5	18	28	45
Rotational speed maximum¹⁾	at V_{g max}
Suction speed operation as a pump¹⁾		n_nom	rpm	3600	3600	3600	3600	3300	3000	3000
Max. speed decompression operation²⁾		n_nom	rpm	3600	3600	3600	3600	3300	3000	3000
Flow	at n_nom and V_{g ma}_x	q_v	I/min	12.6	21.6	28.8	38	59	84	135
Power Operation as a pump at n_nom,V_{g ma}_x	and Δp = 250 bar	P	kW	5	10	15	16	-	-	-
Power Operation as a pump at n_nom,V_{g ma}_x	and Δp = 315 bar	P	kW	-	-	-	-	34	39	44
Torque	at V_{g max}and Δp = 250 bar	T	Nm	14	24	32	42	-	-	-
	at V_{g max} and Δp = 315 bar	T	Nm	-	-	-	-	90	140	225
	at V_{g max} and Δp = 100 bar	T	Nm	6	9	13	17	29	140	225
Rotary stiffness of drive shaft	S	c	Nm/rad	8100	8100	8100	8100	-	-	-
Rotary stiffness of drive shaft	R	c	Nm/rad	-	-	-	-	14800	26300	41000
Moment of inertia for rotary group		J_TW	Kgm²	0.0006	0.0006	0.0006	0.0006	0.00093	0.0017	0.0033
Maximum angular acceleration²⁾³⁾		α	rad/s²	14000	14000	14000	14000	12600	11200	9500
Case volume		V	L	0.2	0.2	0.2	0.2	0.25	0.3	1.0
Weight without through drive (14N00, 12N00 approx.)		m	kg	8	8	8	8	12	15	27
Weight without through drive (22U00 approx.)		m	kg	-	-	-	-	-	-	-
Weight with through drive (07K.., 12K..approx.)		m	kg	10.5	10.5	10.5	10.5	14	18	28
Weight with through drive (22U..approx.)		m	kg	-	-	-	-	-	-	-

Determining the operating characteristics

Flow	q_v=(V_g∙ n ∙ η_v) / 1000	I/min
Torque	M=(V_g ∙ Δp) / (20 ∙ π ∙ η_h_m)	Nm
Power	P=(2π ∙ M ∙ n)/60000=(q_v∙ Δp)/(600 ∙ η_t)	kW

Key

V_g Displacement per revolution in [cm^3]

Δp Differential pressure [bar]

n Rotational speed [rpm]

η_v Volumetric efficiency

η_h_m Hydraulic-mechanical efficiency

η_t Total efficiency (η_t= η_v*η_hm)

¹⁾The values are applicable:

- At absolute pressure P_abs = 1 bar at suction port S

- For the optimal viscosity range of v_opt = 36 to 16 mm²/s

- For hydraulic fluid based on mineral oils

²⁾Higher values on request

³⁾ The limit value is only valid for a single pump, multiple pump version available on request. The load capacity of the connecting parts must be considered.

Technical data A10VZO size 71 to 180

Size		NG		71	100	140	180
Displacement, geometric,per revolution		V_g_max	cm³	71.1	100	140	180
Rotational speed maximum¹⁾	at V_{g max}
Suction speed operation as a pump¹⁾		n_nom	rpm	2550	2300	2200	1800
Max. speed decompression operation²⁾		n_nom	rpm	On request
Flow	at n_nom and V_{g ma}_x	q_v	I/min	181	230	308	324
Power Operation as a pump at n_nom,V_{g ma}_x	and Δp = 280 bar	P	kW	84	107	143	151
Torque	at V_{g max}and Δp = 280 bar	T	Nm	317	445	623	801
Torque	at V_{g max} and Δp = 100 bar	T	Nm	113	159	223	286
Rotary stiffness of drive shaft	S	c	Nm/rad	8100	8100	8100	8100
Rotary stiffness of drive shaft	R	c	Nm/rad	-	121142	169537	171107
Moment of inertia for rotary group		J_TW	Kgm²	0.0087	0.0185	0.0276	0.033
Maximum angular acceleration²⁾³⁾		α	rad/s²	7500	6200	5000	4000
Case volume		V	L	1.6	2.2	3.0	2.7
Weight without through drive (12N00, 42N00 approx.)		m	kg	36.5	55	70	-
Weight without through drive (22U00 approx.)		m	kg	47	69	73	78
Weight with through drive (12K..approx.)		m	kg	-	-	-	-
Weight with through drive (22U..approx.)		m	kg	47	69	73	78

Determining the operating characteristics

Flow	q_v=(V_g∙ n ∙ η_v) / 1000	I/min
Torque	T=(V_g ∙ Δp) / (20 ∙ π ∙ η_h_m)	Nm
Power	P=(2π ∙ T ∙ n)/60000=(q_v∙ Δp)/(600 ∙ η_t)	kW

Key

V_g Displacement per revolution in [cm^3]

Δp Differential pressure [bar]

n Rotational speed [rpm]

η_v Volumetric efficiency

η_h_m Hydraulic-mechanical efficiency

η_t Total efficiency (η_t= η_v*η_hm)

¹⁾The values are applicable:

- At absolute pressure P_abs = 1 bar at suction port S

- For the optimal viscosity range of v_opt = 36 to 16 mm²/s

- For hydraulic fluid based on mineral oils

²⁾Higher values on request

³⁾ The limit value is only valid for a single pump, multiple pump version available on request. The load capacity of the connecting parts must be considered.

⁴⁾ With port plates 7 or 14

Permissible input and through-drive torques

Size				003 to 10	18	28	45	71	100	140	180
Input torque
at drive shaft, maximum2)	S	TE max	Nm	126	-	-	-	-	1104	1620	1620
	S	∅	in	3/4	-	-	-	-	1 1/2	1 3/4	1 3/4
	R	TE max	Nm	-	160	250	400	650	-	-	-
	R	∅	in	-	3/4	7/8	1	1 1/4	-	-	-
Maximum through- drive torque	S	TD max	Nm	41	-	-	-	-	778	1266	1266
Maximum through- drive torque	R	TD max	Nm	-	92	127	229	480	-	-	-

Distribution of torques

Torque at 1st pump	T₁
Torque at 2nd pump	T₂
Torque at 3rd pump	T₃
Input torque	T_E=T₁₊T₂₊T₃
Input torque	T_E< T_{E max}
Through-drive torque	T_D=T₂₊T₃
Through-drive torque	T_D< T_{D max}

¹⁾Efficiency not considered

²⁾ For drive shafts with no radial force

A10VZO

Variable Axial Pump A10VZO

Detailed description

Type code A10VZ0

Axial piston unit

Application area

Operating mode

Size(NG)

Control device

Series

Direction of rotation2)

Sealing material

Drive shaft

Mounting flange

Working port3)

Through drive

Connectors for solenoids

Technical data A10VZO size 3 to 45

Determining the operating characteristics

Key

Technical data A10VZO size 71 to 180

Determining the operating characteristics

Key

Permissible input and through-drive torques

Distribution of torques

Direction of rotation²⁾

Working port³⁾