Page 236 - Softbound_Edition_19_en

Solenoid operated spool valve
Solenoid operated spool valve Solenoid operated spool valve

PERFORMANCE SPECIFICATIONS DIMENSIONS
Oil viscosity u = 30 mm /s 4/3-way valve (spring centred) 4/2-way valve (spring reset)
2
p = f (Q) Performance limits Volume flow direction A B A 9.5 130
140
Measured with nominal voltage -10 % Symbol P - A P - B P - T A -T B - T 100 140 120 MD=5.2Nm 5.2
E 8
p [bar] BEA ACB / ADB AB1 / AB2 AB1 / AB2 3 3 - 3 3
350 K1041 ACB / AC1 / CB2 5 5 - 5 5 83
300 ADB / AD1 / DB2 4 4 - 4 4 45
250 AFB W = 41 49
200 AFB / AF1 / FB2 2 2 2 1 1
150 BEA / BE1 / EA2 2 2 6 2 2
100 10 70 60 10 50
50 208
0 MD=5Nm 20 50 68 13
0 10 20 30 40 50 60 Q [l/min] HF1 51 HS1 57 151
37 37
90
80 A
Δp = f (Q) Pressure drop volume flow characteristics Q = f (Q) Leakage volume flow characteristics
L
per control edge
86
p [bar] Q [cm /min] 45
3
25 K1042 6 180 K1043
160 M =
20 5 140
4 120
15 3 2 100 10
10 80
60
1 40 17 53
5 20 151
0 0 E = Air bleed screw
0 10 20 30 40 50 60 Q [l/min] 0 50 100 150 200 250 300 350 p [bar]
Orifices in valve body influence the switching times

HYDRAULIC CONNECTION PARTS LIST
Switching times, influence of the soft switching Switching times, influence of the soft switching
Solenoid energised Solenoid deenergised Position Article Description
Measured with WWMFA06-ACB-G24 in comparison Measured with WWMFA06-ACB-G24 compared 17.8 10 206.1... W.E45 / 23 x 50
with WDMFA06-ACB-G24 at Q = 30 l/min with WDMFA06-ACB-G24 at Q = 30 l/min T 206.7... M.S45 / 23 x 50

U [V] U [V] A B 50 160.2093 O-ring ID 9,25 x 1,78 (NBR)
24 24 31 21 32.5 160.6092 O-ring ID 9,25 x 1,78 (FKM)
0 0 P 60 160.2222 O-ring ID 22,22 x 2,62 (NBR)
p [bar] p [bar]
E
E
100 K1051_e Soft-switching valve Orifice 0,5 mm 100 K1052_e 21.5 70 154.2701 Knurled nut M23 x 1,5 x 19,7
80 Soft-switching valve Orifice 0,3 mm 80 Standard 40.5 80 253.7004 Push-button
Valve
60 60
40 Standard 40 90 253.7002 Spindle
valve
20 20 Soft-switching valve Orifice 0,5 mm 100 246.1012 Socket head screws zinc-coated blue
0 0 Soft-switching valve Orifice 0,3 mm DIN84A M4 x 12
0 0 0,1 0,2 0,3 0,4 0,5 t [s] 0 0 0,1 0,2 0,3 0,4 0,5 t [s]
120 118.1023 Orifice M4 / 0,5 x 4St

118.1029 Orifice M4 / 0,3 x 4St
130 246.1007 Socket head screw zinc-coated blue M4 x 6
DIN84 A
140 049.2040 Bonded seal ID 4,1 x 7,2 x 1

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 4/5 Edition: 22 10 1.4-32 E www.wandfluh.com Illustrations are not binding Data subject to change 5/5 Edition: 22 10 1.4-32 E
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