Variable Displacement Piston Pump A10VG
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Variable Displacement Piston Pump A10VG

PAA10VG variable axial piston pump of swashplate design for hydrostatic closed circuit transmission. Flow is proportional to drive speed and displacement and is infinitely variable.

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Product Introduction

Variable Displacement Piston Pump A10VG

high pressure hydraulic piston pump A10VG

PAA10VG variable axial piston pump of swashplate design for hydrostatic closed circuit transmission. Flow is proportional to drive speed and displacement and is infinitely variable.

Name	A10VG Series Axial piston variable pump
Series	Series 10
Sizes	18, 28, 45, 63.
Nominal Pressure	300 bar
Maximum Pressure	400 bar
Operation Mode	Closed Circuit

Product parameter

Size				18	28	45	63
Displacement
variable pump		Vg max	cm³	18	28	46	63
boost pump (at p = 20 bar)		Vg Sp	cm³	5.5	6.1	8.6	14.9
Speed
maximum at Vg max		nmax continuous	rpm	4000	3900	3300	3000
limited maximum 1)		nmax limited	rpm	4850	4200	3550	3250
intermittent maximum 2)		nmax interm.	rpm	5200	4500	3800	3500
minimum		nmin	rpm	500	500	500	500
Flow
at nmax continuous and Vg max		qv max	l/min	72	109	152	189
Power 3)
at nmax continuous and Vg max Δp = 300 bar		Pmax	kW	36	54.6	75.9	94.5
Torque 3) at Vg max	Δp = 300 bar Tmax		Nm	86	134	220	301
Torque 3) at Vg max	Δp = 100 bar T		Nm	28.6	44.6	73.2	100.3
Rotary stiffness	Shaft end S	c	Nm/rad	20284	32143	53404	78370
Rotary stiffness	Shaft end T	c	Nm/rad	–	–	73804	92368
Moment of inertia for rotary group		JRG	kgm²	0.00093	0.0017	0.0033	0.0056
Angular acceleration, max. 4)		a	rad/s2	6800	5500	4000	3300
Filling capacity		V	L	0.45	0.64	0.75	1.1
Mass approx. (without through drive)		m	kg	14(18) 5)	25	27	39

Detailed images

Output flow increases with the swivel angle of the swashplate from 0 to its maximum value. Flow direction changes smoothly when the swashplate is moved through the neutral position.

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A wide range of highly adaptable control devices is available for different control and regulating functions. The pump is equipped

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with two pressure-relief valves on the high pressure ports to protect the hdrostaic transmission from overload.

The high pressure relief valves also function as boost valves. The integrated boost pump acts as a feed and control oil pump. The maximum boost pressure is limited by a built in boost pressure relief valve.

FEATURE

1. POOCCA A10VG series variable axial piston adopts swash plate design and is used for hydrostatic transmission in closed circuit.

2. The flow is proportional to the driving speed and displacement, which can achieve stepless adjustment.

3. The output flow increases as the swash plate swing angle increases from zero to the maximum value.

4. The swash plate swings over the middle position, which can smoothly change the direction of liquid flow

5. The control block with high versatility provides various control and adjustment functions.

6. Each high pressure side is equipped with two relief valves to prevent overload of hydrostatic transmission

7. The relief valve also functions as an oil filling valve.

8. Built-in charge pump is used as fuel supply and control pump

9. The maximum charging pressure is limited by the built-in charging relief valve.

Applications-2

POOCCA A10VG series Piston /Plunger pump installation instructions:

1. During the test run and operation, the axial plunger element must be filled with hydraulic oil and exhausted. After a long period of shutdown, it is also necessary to perform oil injection and exhaust operations, thinking that the system may leak oil through the hydraulic pipeline.

2. The leaked oil inside the casing must be discharged to the oil tank through the highest oil drain port of the casing, and the minimum oil suction pressure of the oil port must not be lower than the absolute pressure of 0.8bar. (0.5bar absolute pressure during cold start)

3. In all working conditions, the oil suction line and the casing oil drain line must enter the oil tank, and must be lower than the minimum oil level.

REVIEW

Evaluation(001)