REXROTH /BOSCH Hydraulic and Electronic Components

Page 19

Bosch Rexroth AG

19

Hydraulics

Pumps

Variable displacement pumps n n n n n n n n n n

Sizes NG12 to 107, series 1 and 4 (type A2VK) Sizes NG12 and 28, series 10 (type A7VK) Axial piston bent-axis design Open and closed circuits High-pressure pump for delivering polyurethane components High dosing accuracy of the delivery volumes Enhanced corrosion protection Manual control with precision indicator and clamping device Dual shaft seal made of special material Good volumetric efficiency

Type A2VK/A7VK Type A2VK Size

12

28

55

107 250

Nominal pressure

pN

bar

250

250

250

Peak pressure

pmax

bar

315

315

315

315

Displacement

Vg max

cm³

11.6

28.1

54.8

107

n = 1500 rpm

qV max

l/min

17.4

42.2

82.2

160.5

n = 1800 rpm

qV max

l/min

20.9

50.6

98.6

192.5

n = 1500 rpm

Pmax

kW

7.3

17.6

34.3

66.9

n = 1800 rpm

Pmax

kW

8.7

21.1

41.1

80.3

m

kg

19

36

64

117

Nominal pressure

pN

bar

Peak pressure

pmax

bar

315

315

Displacement

Vg max

cm³

11.6

28.1

Flow Power Δp = 250 bar Weight (approx.) Type A7VK Size

Flow Power Δp = 250 bar Weight (approx.)

12

28

250

250

n = 1500 rpm

qV max

l/min

17.4

42.2

n = 1800 rpm

qV max

l/min

20.9

50.6

n = 1500 rpm

Pmax

kW

7.3

17.6

n = 1800 rpm

Pmax

kW

8.7

21.1

m

kg

12.5

22.1

Detailed information: Type A2VK: RE 94001 Type A7VK: RE 94010


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