Variable Displacement Piston pump A11VO for Crane &Drilling Machine, China Variable Displacement Piston pump A11VO for Crane &Drilling Machine Manufacturers, Suppliers, Factory - Wenzhou Prance Hydraulic Equipment Co., Ltd

Feature:

1.Variable displacement pump with axial piston drive swashplate design for hydrostatic drives in open circuits

2.Design primarily for use in mobile applications

3.Pump operation either self-priming,with tank charging or charging pump

4.A comprehensive range of varialble units is available for different control functions

5.Power can be adjusted from the outside , even when the machine is running

6.The through drive is suitable for attachment of gear pumps and axial piston pumps up to the same size , i.e.100% through drive

7.The Volume flow is adjustable in proportion to the dirve speed and displacement and is infinitely variable from QVmax to QvMin=0

variable displacement piston pump a11vo for crane drilling machine-1

Size	A11VO		40	60	75	95	130	190	190	260
Displacement	Vg max	cm3	42	58.5	74	93.5	130	190	190	260
Displacement	Vg min	cm3	0	0	0	0	0	0	0	0
Speed
maximum at Vg max'	Nmax	rpm	3000	2700	2550	2350	2100	2200	2100	1800
maximum at Vg≤Vg max'	nmax1	rpm	3500	3250	3000	2780	2500	2500	2100	2300
Flowat nmaxand Vg max	qv max	l/min	126	158	289	220	273	319	405	468
Power atqv maxand △p=350 bar	Pmax	kW	74	92	110	128	159	186	236	273
Torque atVg maxand △p=350 bar	Tmax	Nm	234	326	412	521	724	808	1075	1448
Rotary stiffness	Z shaft	Nm/rad	88894	102440	145836	199601	302495	302495	346190	686465
	P shaft	Nm/rad	87467	107888	143104	196435	312403	312403	383292	653835
	S shaft	Nm/rad	58347	86308	101921	173704	236861	236861	259773	352009
	T shaft	Nm/rad	74476	102440	12560	一	一	一	301928	567115
Moment of inertia forrotary group	JTW	kgm2	0.0048	0.0082	0.0115	0.0173	0.0318	0.0341	0.055	0.0878
Angular acceleration,max4) a		rad/s2	22000	17500	15000	13000	10500	9000	6800	4800
Filling capacity	V	I	1.1	1.35	1.85	2.1	2.9	2.9	3.8	4.6
Mass(approx.)	m	kg	32	40	45	53	66	76	95	125

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