Rexroth Hydraulic Pump A4vtg71 with Good Quality and Low Price

Rexroth Hydraulic Pump A4vtg71 with Good Quality and Low Price

CZPT hydraulic PUMP  A4VTG71  with Good CZPT and Low Cost

Concrete mixer hydraulic piston pump A4VTG71, A4VGT90


Shut circuit
Series 32
Dimensions seventy one, 90
Nominal strain 5800 psi (four hundred bar)
Greatest pressure 6500 psi (450 bar)
Control gadget: (HW) Proportional management hydraulic, mechanical servo, hexagon shaft with lever to the rear.
(EP) Proportional handle electrical, with crisis actuation and spring return.
For the drum push in cell concrete mixers A4VTG071, A4VGT090 collection.
-Variable axial piston pump of swash plate design and style for hydrostatic drives in closed circuit
-The stream is proportional to the travel pace and displacement.
-The flow will increase as the angle of the swash plate is adjusted from zero to its highest benefit.
-Circulation path adjustments effortlessly when the swash plate is moved via the neutral place.
-Two strain-reduction valves are offered on the high strain ports to safeguard the hydrostatic transmission (pump and motor) from overload.
-The large-pressure relief valves also function as boost valves.
-The integrated enhance pump acts as a feed pump and control strain provide.
-The maximum boost pressure is restricted by a constructed-in increase strain-reduction valve.
-Tapered shaft choice for immediate drive shaft yoke set up.
CZPT Data 
Table of values (theoretical values, without having effectiveness and tolerances values rounded)

Variable pump Vg max cm3 seventy one ninety
auxiliary pump Vg H cm3 18,7 25,7
Max. pace at Vg max Nmax continuous rpm 3300 3050
Restricted max. Nmax constrained rpm 3600 3300
Intermittent max. Nmax continuous rpm 4100 3800
minimum speed Nmin rpm 500 500
Stream at Nmax Dauer and Vg max Qmax L/min 234 275
Energy at Nmax Dauer D p = 400 bar Pmax kW 156 183
Torque at Vg max      D p = 400 bar CZPT Nm 451 572
(Variable pump without having aux. pump)  D p = one hundred bar T Nm 112,eight 143
Second of inertia (about drive axis) J kgm2 ,0072 ,5716


Rexroth Hydraulic Pump A4vtg71 with Good Quality and Low Price

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