Page 263 - Softbound_Edition_19_en

Spool valve
Spool valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limits Q = f (Q) Leakage volume flow characteristics
L
per control edge
p [bar] Q [cm /min]
3
350 K4266 60 K4267
300 50
250 40
200 30
150
100 20
50 10
0 0
0 10 20 30 40 50 60 70 80 Q [l/min] 0 50 100 150 200 250 300 350 p [bar]

Δp = f (Q) Pressure drop volume flow characteristics

p [bar]
30 K4268
25
20
15
10
5
0
0 10 20 30 40 50 60 70 80 Q [l/min]

DIMENSIONS PARTS LIST
Position Article Description
8.9° 8.9° 10 253.2000 Hand control head BHII
30 246.1121 Socket head screw M4 x 20 DIN 912
21.5N 40 249.1007 Socket head screw M4 x 63
50 238.0202 Socket head screw M8 x 1 DIN 908
80 160.2093 O-ring ID 9,25 x 1,78 (NBR)
160.6092 O-ring ID 9,25 x 1,78 (FKM)

9.5
156
5.2
MD= 5.2Nm 50
8

35 45 49
41

46 40 10 20.8 80 30
MD= 2.6Nm MD= 2.6Nm
40.8
55.8 68 20.8
148.6

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 43 1.5-41 E
Page 263