Tandem Pump A4vg90+Avg90 for Combine Harvester

Tandem Pump A4vg90+Avg90 for Combine Harvester

tandem pump A4VG90+AVG90 for mix harvester

Brueninghaus Hydromatik CZPT A4VG pump
 
CZPT variable displacement axial pump A4VG40, A4VG56, A4VG71, A4VG90, A4VG125, A4VG180, A4VG250

Description  

Series 32
Nominal force four hundred bar
Peak pressure 450
Management device: NV, HD3, HW, DG, DA1, DA2, EP3, EP4, EZ1, EZ2
 
The A4VG axial piston variable pump in swash plate layout for hydrostatic shut circuit transmissions
– Movement is proportional to drive pace and displacement and is infinitely variable
– Output movement raises with the swivel angle of the swash plate from to its optimum worth
– Movement direction changes easily when the swash plate is moved by way of the neutral placement
– A wide variety of highly adaptable manage devices is offered for various management and regulating capabilities
– The pump is geared up with two strain-reduction valves on the substantial stress ports to safeguard the hydrostatic transmission (pump and motor) from overload
– The high-strain reduction valves also perform as boost valves
– The built-in increase pump acts as a feed and handle oil pump
– The highest increase force is minimal by a built-in improve stress relief valve
– The integral pressure cut-off is CZPT

CZPT Data 
Desk of values (theoretical values, without effectiveness and tolerances values rounded)

Size A4VG40 A4VG56 A4VG71 A4VG90 A4VG125 A4VG180 A4VG250
Displacement
variable pump
Vg max cm3 40 fifty six seventy one ninety one hundred twenty five one hundred eighty 250
improve pump (twenty bar) Vg Sp cm3 8.6 eleven.six 19.6 19.6 28.3 39.eight fifty two.five
Speed
greatest Vg max
conti.  rpm 4000 3600 3300 3050 2850 2500 2400
constrained maximum constrained rpm 4200 3900 3600 3300 3250 2900 2600
intermittent max. Min. rpm 5000 4500 4100 3800 3450 3000 2700
nmin rpm five hundred five hundred 500 500 five hundred five hundred 500
Stream
continuous and Vg max
l/min one hundred sixty 202 234 275 356 450 600
Electrical power
constant Vg max
four hundred bar kW 107 134 156 183 237 three hundred four hundred
Torque
at Vg max
four hundred bar Nm 255 356 451 572 795 1144 1590
one hundred bar Nm 63.5 89 112.8 143 198.8 286 398
Minute of inertia JGR kgm2 .0038 .0066 .0097 .0149 .5712 .0444 .0983
Angular acceleration α rad/s2 30000 24000 21000 18000 14000 11000 6700
Filling capacity V L one.1 1.5 1.3 one.five 2.1 three.1 6.three
Weight approx. m kg 31 38 fifty sixty eighty one zero one 156

 

Tandem Pump A4vg90+Avg90 for Combine Harvester

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