Rexroth A7V Variable Displacement Pump for Komatsu Excavators

Rexroth A7V Variable Displacement Pump for Komatsu Excavators

A7v variable displacement pump

Variable displacement pump, axial piston, bent axis design and style, for hydrostatic trans missions in open up circuits.

The stream is proportional to the generate velocity and the displacement and is steplessly variable at continual travel speed.

Thorough programme of manage devices for every control and regulation operate.

Operation of the two mineral, and fireplace-resistant fluids.

Dimension twenty 28 40 55 58 80 seventy eight 107 117 one hundred sixty 250 355 five hundred
Rotation Direction(R Clockwise, L Anti-clock clever) L    R L    R L    R L    R L    R L    R L    R L    R L    R L    R L    R L    R L    R
Variety of manage   *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    *
DR Constant stress Manage *    * *    * *    * *    * *    * *    * *            
EL CZPTtric Manage *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *  
High definition CZPT pressure Management *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *  
MA Handbook pressure *    * *    * *    * *    * *    * *    * *    * *    * *    * *    * *    *    
Disp. Vgmax(ml/r) 20.five 28.1 40.1 fifty four.eight fifty eight.5 80 78 107 117 160 250 355 five hundred
Vgmin(ml/r) eight.one fifteen.8 23.one thirty.eight 46.one
Max velocity 3) At .09MPa one)
nmax .09 (r/min)
3800 2800 3200 2360 2850 2120 2540 1900 2240 1650 1400 1250 1120
At .10MPa 1)
nmax .ten(r/min)
4100 3000 3400 2500 3000 2240 2700 2000 2360 1750 1500 1320 1200
At .15MPa one) nmax .fifteen(r/min) 4750 3600 3750 3000 3350 2750 3000 2450 2650 2100 1850 1650 1500
Max Stream two) At nmax0.09
Qmax .09(l/min)
seventy six seventy six 124 a hundred twenty five 162 165 192 197 254 256 340 430 543
At nmax0.10
Qmax .ten(l/min)
eighty two 82 132 133 170 174 204 208 268 272 364 455 582
At nmax0.15
Qmax .15(l/min)
94 98 146 a hundred and sixty 191 213 227 254 301 326 449 568 728
Max Energy
P=35MPa
At Qmax .09
Pmax .09(kW)
46 46 seventy five 75 97 99 one hundred fifteen 119 153 154 204 259 327
At Qmax .ten
Pmax .ten(kW)
49 forty nine seventy nine eighty 102 105 122 125 161 164 219 274 350
At Qmax .15
Pmax .fifteen(kW)
57 fifty nine 89 96 115 128 137 153 181 196 270 342 438
FlowQ two) At nE =1450r/min(l/min) 28.2 39.5 fifty six.four 77.one eighty two.3 112.5 one hundred ten one hundred fifty.5 164.6 225 351.6 499 703
Energy
PP=35MPa
At nE =1450r/min(kW) 17 24 34 forty six fifty 68 sixty six 91 ninety nine 135 211 300 423
Torque
MP=10MPa
At Vgmax(N. m/10MPa) 32.six forty four.7 sixty three.8 87.1 93 127.two 124 one hundred seventy.one 186 254.4 397.five 564.five 795
At Vgmin(N. m/10MPa) 12.nine 25.one 36.7 49 73.3
Max Torque
Mmax
P=35MPa
At Vgmax (N. m) 114 156 233 305 326 445 434 595 651 890 1391 1976 2783
At Vgmin(N. m) forty five 88 129 171 275
Weight (kg) 19 19 28 28 44 forty four 53 53 seventy six seventy six a hundred and five one hundred sixty five 245

Rexroth A7V Variable Displacement Pump for Komatsu Excavators