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Proportional throttle valve Proportional throttle valve
Proportional throttle valve

PERFORMANCE SPECIFICATIONS DIMENSIONS
Oil viscosity u = 30 mm /s With analog interface, 12 pole connector With analog interface, 7 pole connector
2
Amplifier and controller Amplifier and controller
Q = f (s) Volume flow adjustment characteristics Q = f (p) Volume flow pressure characteristics
∆p = 20 bar / s corresponds to command value Command value signal = 100 % 25,30 20,21 40 X2
signal Q [l/min] X2
Q [l/min] 75 K0611_1 X1 X1
75 K1136 60
Q = 63 l/min
N
60 45 X4 128.4 X4
45 Q N = 32 l/min 30 Q N = 63 l/min 110.4 s36 M33x2
30 15 Q N = 32 l/min (2)
15
15 0 45 MD=5.5Nm (1) 45
0   0 50 100 150 200 250 300 350 p [bar]
0 10 20 30 40 50 60 70 80 90 100 s [%]
12
MD=5Nm 17 96.3 18 50 60 70 X4 (controller only)
∆p = f (Q) Pressure drop volume flow characteristic 110.8
Command value signal = 100 % 151.2 49.7
200.9
p [bar]
N
20 K0778_1 Q = 32 l/min Q N = 63 l/min
With fieldbus interface With fieldbus interface
15 Amplifier Controller
10 X2 X2
5 X1 X1
0 X3 X3
0 15 30 45 60 75 Q [l/min] 110.4
128.4 X4
45

45
FACTORY SETTINGS
Dither set for optimum hysteresis
◆ = Deadband: solenoid switched off at command value signal < 5 %
● = Opening pressure at command value signal + 10 % HYDRAULIC CONNECTION PARTS LIST
■ = Flow at ∆p = 20 bar at 70% command value signal Cavity drawing according to ISO 7789–33–01–0–98 Position Article Description
24 l/min at nominal volume flow rate Q 32 l/min
N 12 154.2700 Knurled nut
34 l/min at nominal volume flow rate Q 63 l/min M33 x 2
N 15 253.8000 Manual override HB4,5
17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
18 160.2220 O-ring ID 21,95 x 1,78 (NBR)
(2)
20 223.1317 Dummy plug M16 x 1,5
21 160.6131 O-ring ID 13,00 x 1,5 (FKM)
25 062.0102 Cover
(1)
(1) 30 072.0021 Gasket 33,2 x 59,9 x 2
40 208.0100 Socket head screw M4 x 10
Note! For detailed cavity drawing and cavity tools see data 50 160.2298 O-ring ID 29,82 x 2,62 (NBR)
sheet 2.13-1005 160.6296 O-ring ID 29,82 x 2,62 (FMK)
60 160.2238 O-ring ID 23,81 x 2,62 (NBR)
160.6238 O-ring ID 23,81 x 2,62 (FMK)
70 049.3297 Backup ring rd 24,5 x 29 x 1,4

www.wandfluh.com Illustrations are not binding Data subject to change 4/6 Edition: 22 46 2.6-561 E www.wandfluh.com Illustrations are not binding Data subject to change 5/6 Edition: 22 46 2.6-561 E
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