I-BOETH BOLE HYDRAULIC REXROTH hydraulic piston pump A4VG28 45 71 Industrial Hydraulic Pump

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Rexroth A4VG Series 32 Axial Piston Variable Pump

HBOETH BOLE HYDRAULIC A4VG28 REXROTH hydraulic piston pump

1.Integrated boost pump for boost and pilot oil supply

2.Flow direction changes when the swashplate is moved through the neutral position

3.High-pressure relief valves with integrated boost function

4.With adjustable pressure cut-off as standard

5.Boost-pressure relief valve

6.Through drive for mounting of further pumps up to same nominal size

7.Large variety of controls

8.Swashplate design

Size				28	40	56	71	90	125
Displacement geometric, per revolution		Vg max	cm³	28	40	56	71	90	125
Nominal pressure		pnom	bar	400	400	400	400	400	400
Maximum pressure		pmax	bar	450	450	450	450	450	450
Maximum speed	at Vg max	nnom	rpm	4250	4000	3600	3300	3050	2850
Maximum speed	Intermittent 1)	nmax	rpm	5000	5000	4500	4100	3800	3450
Flow	at Vg max and nnom	qV nom	l/min	119	160	202	234	275	356
Power	at qV nom and Δpnom 2)	P	kW	79	107	134	156	183	238
Torque	at Vg max and Δpnom	M	Nm	178	255	357	452	573	796
Weight (approx.)		m	kg	29	31	38	50	60	80

Max Displacement	28 cc/rev
Size	A4VG28/A4VG40/A4VG56/A4VG71/A4VG90/A4VG125/A4VG175/A4VG180/A4VG210 A4VG250
Max Working Pressure	40 Mpa
Shaft Speed Range	500-5000 r/min
Rotation	Right from shaft end
Control Type	Pressure Control
Product Type	Hydraulic Piston Pump
Material	Cast iron
Working pressure range Technical data	NV – Version without control module HD – Proportional control, hydraulic, pilot-pressure related HW – Proportional control, hydraulic, mechanical servo DA – Automatic control, speed related DG – Hydraulic control, direct operated EP – Proportional control, electric EZ – Two-point control, electric ET – Electric control, direct operated BT – BODAS electronic control

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