A8VO Hydraulic Axial Piston Pump

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A8VO Hydraulic Axial Piston Pump

Rexroth A8VO Piston Pump Sizes 55…200
Nominal pressure 350 bar
Peak pressure 400 bar
For open circuit
A8VO55,A8VO80,A8VO107,A8VO140,A8VO200

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Characteristic

Design:
The Rexroth A8vo piston pump is a variable displacement piston pump with a double axial piston rotor group and a helical shaft.

Flow regulation:
Proportional flow regulation is provided according to the input speed and displacement.
Seamless transition between maximum flow (qV max) and zero flow (qV min=0).

Mounting:
Designed for direct mounting on the flywheel housing of a diesel engine.
Both circuits use a shared suction port for increased efficiency.

Control options:
A wide range of control instruments are available to meet different control and regulation needs.
Including a separate power controller.

Safety and versatility:
The A8vo hydraulic piston pump is optionally available with integrated auxiliary pump and safety valve.
Additional safety valves can be installed.

Flexibility:
Equipped with a power take-off for mounting axial piston pumps and gear pumps, flexible hydraulic system design is possible.

A8VO Hydraulic Axial Piston Pump Parameter

A8VO Hydraulic Axial Piston Pump				55	80	107	140	200
Displacement Vg max Vg min			cm3	2 x 54.8	2 x 80	2 x 107	2 x 140	2 x 200
Displacement Vg max Vg min			cm3	0	0	0	0	0
Gear ratio i = ninput/nrotary				1.0	1.0	1.0	1.0	1.0
Input speed at Vg max 1) nmax 1 at Vg ≤Vg max 2) nmax			rpm	2500	2240	2150	2100	1950
Input speed at Vg max 1) nmax 1 at Vg ≤Vg max 2) nmax			rpm	3000	2750	2450	2450	2250
Flow at nmax and Vg max qv max			L/min	2 x 137	2 x 179	2 x 230	2 x 294	2 x 390
Power at nmax, Vgmax and Dp=350 bar Pmax			kW	160	209	268	294 3)	325 3)
Input torque at Vg max and Dp=350 bar	Tmax		Nm	611	891	1192	1337 3)	1592 3)
Rotary stiffness (single rotary group) 5) Vg max to 0,5•Vg max		cTW	Nm/rad	11213	17985	25565	41408	39505
0,5•Vg max to 0(interpolated) cTW			Nm/rad	41442	67666	89381	146677	156876
Moment of inertia for rotary group with power take-off, without attachment pump JTW without power take-off (PTO) JTW			kgm2	0.0161	0.0209	0.0345	0.0581	0.0849
			kgm2	0.0126	0.0173	0.0288	0.0500	0.0750
Angular acceleration (single rotary group) 5) a			rad/s2	25800	21800	17100	7500	11000
Mass approx. m			kg	82	90	116	146	180
Variation: with integrated auxiliary pump, F00, F.. 4) Displacement with integrated auxiliary pump Vg max			cm3	8.6	8.6	8.6 (10.7)4)	10.7	11 (19)4)
Effective displacement Vg max/eff			cm3	9.7	9.7	11 (13.7)	12.7	13.6 (23.6)
Gear ratio i = ninput/naux. pump				0.887	0.887	0.780	0.843	0.804
Variation: with power take-offs, K.., F.. Max. torque at PTO		Tmax	Nm	250	350	380	450	650
Gear ratio i = ninput/nPTO				1.0	1.0	1.0	1.0	0.804

Dimension

– A8VO series: 61 / 63. Sizes: A8VO55 A8VO80 A8VO107 A8VO140 A8VO200 Nominal pressure 350 bar Peak pressure in open circuit 400 bar
– Variable displacement tandem pump with two axially tapered piston-rotor groups in a skewed axis design for hydrostatic drive in open circuits
– Flow rate proportional to input speed and displacement, infinitely adjustable from qV max to qV min = 0

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A8VO Hydraulic Axial Piston Pump

Rexroth A8VO Piston Pump Sizes 55…200 Nominal pressure 350 bar Peak pressure 400 bar For open circuit A8VO55,A8VO80,A8VO107,A8VO140,A8VO200

Chat Now

Characteristic

Design:
The Rexroth A8vo piston pump is a variable displacement piston pump with a double axial piston rotor group and a helical shaft.

Flow regulation:
Proportional flow regulation is provided according to the input speed and displacement.
Seamless transition between maximum flow (qV max) and zero flow (qV min=0).

Mounting:
Designed for direct mounting on the flywheel housing of a diesel engine.
Both circuits use a shared suction port for increased efficiency.

Control options:
A wide range of control instruments are available to meet different control and regulation needs.
Including a separate power controller.

Safety and versatility:
The A8vo hydraulic piston pump is optionally available with integrated auxiliary pump and safety valve.
Additional safety valves can be installed.

Flexibility:
Equipped with a power take-off for mounting axial piston pumps and gear pumps, flexible hydraulic system design is possible.

A8VO Hydraulic Axial Piston Pump Parameter

A8VO Hydraulic Axial Piston Pump				55	80	107	140	200
Displacement Vg max Vg min			cm3	2 x 54.8	2 x 80	2 x 107	2 x 140	2 x 200
Displacement Vg max Vg min			cm3	0	0	0	0	0
Gear ratio i = ninput/nrotary				1.0	1.0	1.0	1.0	1.0
Input speed at Vg max 1) nmax 1 at Vg ≤Vg max 2) nmax			rpm	2500	2240	2150	2100	1950
Input speed at Vg max 1) nmax 1 at Vg ≤Vg max 2) nmax			rpm	3000	2750	2450	2450	2250
Flow at nmax and Vg max qv max			L/min	2 x 137	2 x 179	2 x 230	2 x 294	2 x 390
Power at nmax, Vgmax and Dp=350 bar Pmax			kW	160	209	268	294 3)	325 3)
Input torque at Vg max and Dp=350 bar	Tmax		Nm	611	891	1192	1337 3)	1592 3)
Rotary stiffness (single rotary group) 5) Vg max to 0,5•Vg max		cTW	Nm/rad	11213	17985	25565	41408	39505
0,5•Vg max to 0(interpolated) cTW			Nm/rad	41442	67666	89381	146677	156876
Moment of inertia for rotary group with power take-off, without attachment pump JTW without power take-off (PTO) JTW			kgm2	0.0161	0.0209	0.0345	0.0581	0.0849
			kgm2	0.0126	0.0173	0.0288	0.0500	0.0750
Angular acceleration (single rotary group) 5) a			rad/s2	25800	21800	17100	7500	11000
Mass approx. m			kg	82	90	116	146	180
Variation: with integrated auxiliary pump, F00, F.. 4) Displacement with integrated auxiliary pump Vg max			cm3	8.6	8.6	8.6 (10.7)4)	10.7	11 (19)4)
Effective displacement Vg max/eff			cm3	9.7	9.7	11 (13.7)	12.7	13.6 (23.6)
Gear ratio i = ninput/naux. pump				0.887	0.887	0.780	0.843	0.804
Variation: with power take-offs, K.., F.. Max. torque at PTO		Tmax	Nm	250	350	380	450	650
Gear ratio i = ninput/nPTO				1.0	1.0	1.0	1.0	0.804