Page 1239 - Softbound_Edition_19_en

Proportional flow control valve
Proportional flow control valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Q = f (I) Volume flow signal characteristics QN Q = f (I) Volume flow signal characteristics QO
Q [l/min] Q [l/min]
40 K0963 4 K4220
30 3
Q = 25 l/min
N
20 2 Q N = 3,2 l/min
Q = 16 l/min
N
10 Q = 8 l/min 1
N
Q = 3,2 l/min
N
0 0
0 10 20 30 40 50 60 70 80 90 100 I [%] 0 10 20 30 40 50 60 70 80 90 100 I [%]

Q = f (p) Volume flow pressure characteristics QN + QO Q = f (p) Leakage volume flow characteristics QN + QO
L
I = I G Q [cm /min]
3
Q [l/min] 100 K0965
40 K0964 80
30 60
Q = 25 l/min 40
N
20
Q N = 16 l/min
20
10 Q N = 8 l/min 0
0 Q = 3,2 l/min 0 50 100 150 200 250 300 350 p [bar]
N
0 50 100 150 200 250 300 350 p [bar]

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–22–01–0–98

M22x1.5
s30

15 (2)
76.8 MD=5.5Nm M22x1.5 (2)
37.1 (1)
(1)
W = (1)

12 17 10 18 50 70 60 Note! For detailed cavity drawing and cavity tools see data
MD=5Nm sheet 2.13-1008
78.5 37.5
122.1
PARTS LIST
HB0 Position Article Description
15
MD= 9.5Nm 10 206.2… W.S37 / 19 x 50
260.5… M.S35 / 19 x 50
12 154.2700 Knurled nut
74.8 15 253.8000 HB4,5 manual override
239.2033
HB0 Screw plug
35 17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
M = 18 160.2170 O-ring ID 17,17 x 1,78 (NBR)
50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
10 160.6188 O-ring ID 18,77 x 1,78 (FKM)
60 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM)
70 049.3196 Backup ring rd 16,1 x 19 x 1,4

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 19 30 2.6-631 E
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