Bosch Rexroth Z4WE Serie Manual De Instrucciones página 27

RE 24753/08.08 Z4WEH; Z4WH
Unit dimensions: Type Z4WH10 (dimensions in mm)
52,5
4 x Ø6,6
17
7
ca. 60
1 Nameplate of complete valve
2 Nameplate of pilot valve
3 Main valve
4 Sandwich plate for external pilot control (to be used at
operating pressure > 210 bar)
5 Pressure reducing valve "D3"
(must be used in the case of pilot pressures above
250 bar; only with version "Z4WEH")
Material no.:
NBR seals: R900323180
FKM seals: R900323664
6 Space required to remove mating connector
7 Switching time adjustment (for throttle check valve, see
data sheet RE 27506); depending on the installation po-
sition, meter-in or meter-out control (illustration: meter-in
control)
8 R-ring plate
9 Pilot valve (see data sheet RE 23178)
– Type 4WE 6 J.. for symbol E62
– Type 4WE 6 Y.. for symbol E50, E51, E52, E63, E68
Dimensions () for valve with AC solenoid
1
159
F2
F1
P
A
B
TA TB
F3
F4
15
171
X Y
16 18
Hydraulics
3
14
4 x M5; 10
8
10 Dimension for valve without manual override
11 Dimension for valve with manual override "N"; dimen-
sions () for valve with AC solenoid
12 Dimension for valve with concealed manual override
"N9"; dimensions () for valve with AC solenoid without
manual override
13 Solenoids "a" and "b" (can be rotated 90°)
14 Identical seal rings for ports A, B, P, TA and TB
15 Identical seal rings for ports A, B, P and T
16 Pilot oil subplate
17 Valve mounting bores
Valve mounting screws (separate order)
4 hexagon socket head cap screws ISO 4762 - M6 - 10.9
18 Valve mounting screws (separate order)
4 hexagon socket head cap screws ISO 4762 - M5 - 10.9
Note!
The length and tightening torque of the valve mounting
screws must be calculated taking account of the components
mounted.
11/12
Bosch Rexroth AG
50
27