High Pressure Axial Piston Pumps A4vg180

February 05 18:18:56, 2021

Model NO.: a4vg180
Straight Shaft Swashplate Piston Type: Pressureoil
Radial Plunger Pump Type: Hydraulic Piston Pump
Model: A4vg180
Delivery Date: 7 Days
Application: Construction Machinery
Warranty: 1 Year
Trademark: FOCOR
Transport Package: Wooden Case for Export
Specification: hydraulic
Origin: China
HS Code: 8413503190
Model NO.: a4vg180
Straight Shaft Swashplate Piston Type: Pressureoil
Radial Plunger Pump Type: Hydraulic Piston Pump
Model: A4vg180
Delivery Date: 7 Days
Application: Construction Machinery
Warranty: 1 Year
Trademark: FOCOR
Transport Package: Wooden Case for Export
Specification: hydraulic
Origin: China
HS Code: 8413503190

High pressure axial piston pumps A4VG180

Brueninghaus Hydromatik Rexroth A4VG pump
 
Hydraulic variable displacement axial pump A4VG40, A4VG56, A4VG71, A4VG90, A4VG125, A4VG180, A4VG250
Description  
Series 32
Nominal pressure 400 bar
Peak pressure 450
Control device: NV, HD3, HW, DG, DA1, DA2, EP3, EP4, EZ1, EZ2
 
The A4VG axial piston variable pump in swash plate design for hydrostatic closed circuit transmissions
- Flow is proportional to drive speed and displacement and is infinitely variable
- Output flow increases with the swivel angle of the swash plate from 0 to its maximum value
- Flow direction changes smoothly when the swash plate is moved through the neutral position
- A wide range of highly adaptable control devices is available for different control and regulating functions
- The pump is equipped with two pressure-relief valves on the high pressure ports to protect the hydrostatic transmission (pump and motor) 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
- The integral pressure cut-off is standard

Technical Data 
Table of values (theoretical values, without efficiency and tolerances; values rounded)
Size A4VG40 A4VG56 A4VG71 A4VG90 A4VG125 A4VG180 A4VG250
Displacement
variable pump 		Vg max cm3 40 56 71 90 125 180 250
boost pump (20 bar) Vg Sp cm3 8.6 11.6 19.6 19.6 28.3 39.8 52.5
Speed
maximum Vg max 		conti.  rpm 4000 3600 3300 3050 2850 2500 2400
limited maximum limited rpm 4200 3900 3600 3300 3250 2900 2600
intermittent max. Min. rpm 5000 4500 4100 3800 3450 3000 2700
nmin rpm 500 500 500 500 500 500 500
Flow
continuous and Vg max 		l/min 160 202 234 275 356 450 600
Power
continuous Vg max		 400 bar kW 107 134 156 183 237 300 400
Torque
at Vg max 		400 bar Nm 255 356 451 572 795 1144 1590
100 bar Nm 63.5 89 112.8 143 198.8 286 398
Moment of inertia JGR kgm2 0.0038 0.0066 0.0097 0.0149 0.0232 0.0444 0.0983
Angular acceleration α rad/s2 30000 24000 21000 18000 14000 11000 6700
Filling capacity V L 1.1 1.5 1.3 1.5 2.1 3.1 6.3
Weight approx. m kg 31<

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