Bosch rexroth A4VSO 10 Series - Page 88

BoschRexrothAG, RE 92050-01-X-B2/2019-08-23
12 A4VSO Series 10, 11 and 30 | Axial piston variable pump
DFR - Pressure and flow controller (see92060)
DFR - Pressure and flow controller
(see92060)
▼ Circuit diagram
This controller keeps the flow of the pump constant even
under changing operating conditions.
The flow control is overlaid by a mechanically adjustable
pressure controller.
Optional:
Connection from X
F
to the tank plugged (DFR1)
▼ Characteristic curve
p
q
v min
q
v max
R(L)TU S M
S
K
1
K
2
B
B
1
M
B
X
F
B
not included in the scope of delivery
LR2 - Power controller with hyperbolic
characteristic curve
(see92064)
▼ Circuit diagram
The hyperbolic power controller keeps the specified drive
power constant at the same drive speed.
Optional:
Pressure control (LR2D), remotely controllable (LR2G);
Flow control (LR2F, LR2S);
Hydraulic two-point control (LR2Z)
Not available from RE 92064:
LR2.Y (electric relief valve)
▼ Characteristic curve
V
g min
V
g max
p
R(L)TU S M
S
K
1
K
2
M
B
B
B
1
R
KV
Notice
▶ All additional components from 92060 and 92064 must
correspond to the ATEX classification for the
application concerned.