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Proportional flow control valve
Proportional flow control valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Q = f (I) Volume flow signal characteristics Q = f (p) Volume flow pressure characteristics
Q [l/min] Q [l/min]
4 K4282 3 K4282
2.5
3
2
2 1.5
1
1 0.5
0 0 p [bar]
0 10 20 30 40 50 60 70 80 90 100 I [%] 0 50 100 150 200 250 300 350

Q = f (p) Leakage volume flow characteristics
L
Q [cm /min]
3
80 K0577
60

40
20
0
0 50 100 150 200 250 300 350 p [bar]

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to Wandfluh standard

M18x1,5
30 s24

15
68.8 MD=5.5Nm M18x1.5 (2)
(2) (1)
29 (1) (1)

40 10 18 50 70 60 (1)
MD= 1.2Nm
10.3 60.8 47
Note! For detailed cavity drawing and cavity tools see data
118.1 sheet 2.13-1038

PARTS LIST
Position Article Description
10 256.2418 Proportional solenoid PI29V-G12
256.2453 Proportional solenoid PI29V-G24
15 253.8000 Manual override HB4,5
18 160.2120 O-ring ID 12,42 x 1,78 (NBR)
30 219.2002 Electric plug B (black)
50 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM)
60 160.2111 O-ring ID 11,11 x 1,78 (NBR)
160.6111 O-ring ID 11,11 x 1,78 (FKM)
70 049.3156 Backup ring rd 12,1 x 15 x 1,4 Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 22 11 2.6-610 E
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