BOSCH RexrothVariable Displacement Pump A4VG
Features – Variable displacement axial piston pump of swashplate design for hydrostatic closed circuit transmissions – Flow is proportional to drive speed and displacement and is infinitely variable – Output flow increases with swivel angle from 0 to its maximum value – Swivelling the pump over centre smoothly changes the direction of flow – Availability of a highly adaptable range of control and regulating devices – The pump is equipped with two pressure relief valves on the high pressure ports to protect the hydrostatic transmission (pump and motor) from overloads – These valves also function as boost inlet valves – An integral auxiliary pump serves as boost and pilot oil pump – The maximum boost pressure is limited by a built-in boost pressure relief valve – The integral pressure cut-off is standard Series 3 Sizes A4VG28 A4VG40 A4VG56 A4VG71 A4VG90 A4VG125 A4VG180 A4VG250 Nominal pressure 400 bar Peak pressure 450 bar
We produce Rexroth Axial Piston Variable Pump Model: A4VG40, A4VG28, A4VG56, A4VG71, A4VG90, A4VG125, A4VG180, A4VG250 Rexroth A4VG pump. Cat Hydraulic 541-7655 2541378 5417655 3417655 254-1378 341-7655
Features
– Variable displacement axial piston pump of swashplate
design for hydrostatic closed circuit transmissions
– Flow is proportional to drive speed and displacement and is
infinitely variable
– Output flow increases with swivel angle from 0 to its
maximum value
– Swivelling the pump over centre smoothly changes the
direction of flow
– Availability of a highly adaptable range of control and
regulating devices
– The pump is equipped with two pressure relief valves on the
high pressure ports to protect the hydrostatic transmission
(pump and motor) from overloads
– These valves also function as boost inlet valves
– An integral auxiliary pump serves as boost and pilot oil pump
– The maximum boost pressure is limited by a built-in boost
pressure relief valve
– The integral pressure cut-off is standard
Series 3
Sizes A4VG28 A4VG40 A4VG56 A4VG71 A4VG90 A4VG125 A4VG180 A4VG250
Nominal pressure 400 bar
Peak pressure 450 bar
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