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

TYPE CODE ACTUATION HYDRAULIC SPECIFICATIONS
WD F B04 - - - / - # Actuation Switching solenoid, wet pin push type, Working pressure p = 350 bar
max
Spool valve, direct operated pressure tight Tank pressure p = 100 bar
Tmax
Execution Economy: V.E37 / 19 x 40 (Data sheet Maximum volume flow Q = 30 l/min, see characteristics
Slip-on coil, Economy E max
Slip-on coil, Medium M 1.1-168) Leakage oil See characteristics
Medium: V.E37 / 19 x 50 (Data sheet Fluid Mineral oil, other fluid on request
Flange construction 1.1-168) Viscosity range 12 mm /s…320 mm /s
2
2
N.S35 / 19 x 50 (Data sheet 1.1-175)
International standard interface ISO, NG4 Temperature range -25…+70 °C (NBR)
Connection Connector socket EN 175301 – 803 fluid -20…+70 °C (FKM)
Designation of symbols acc. to table Connector socket AMP Junior-Timer Contamination Class 20 / 18 / 14
Connector Deutsch DT04 – 2P
Spool specification Standard efficiency
Low Leakage 1/x Filtration Required filtration grade ß 10…16 ≥ 75,
see data sheet 1.0-50
Nominal voltage U 12 VDC G12 115 VAC R115
N
24 VDC G24 230 VAC R230
without coil X5
PERFORMANCE SPECIFICATIONS
Slip-on coil Metal housing, round with one-sided collar V (only G12 and G24) Oil viscosity u = 30 mm /s
2
Metal housing, square with one-sided collar N
p = f (Q) Performance limits p = f (Q) Performance limits
Connection execution Connector socket EN 175301-803 / ISO 4400 D Measured with nominal voltage -10 % Measured with nominal voltage -10 %
Connector socket AMP Junior-Timer J (only G24) Economy Medium
Connector Deutsch DT04 - 2P G (only for U ≤ 75 VDC)
N
p [bar] ADB BEA/AFB AB1 AB3 p [bar] ADB/BEA AB1
Sealing material NBR 350 K1118 ACB 350 K1119 AB3
FKM (Viton) D1 300 AGB 300 ACB
AFB
250 250 AGB
Manual override Integrated 200 200
Push-button HF1 150 150
Spindle HS1 100 100
50 50
Design index (subject to change) 0 0
1.2-53 0 5 10 15 20 Q [l/min] 0 5 10 15 20 25 30 Q [l/min]

p = f (Q) Performance limits
GENERAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS Measured with nominal voltage -10 %
Low Leakage
Designation 4/2-, 4/3-spool valve Protection class Connection execution D: IP65
Construction Direct operated Connection execution J: IP66 p [bar] AB1 AB3
Mounting Flange construction Connection execution G: IP67 and IP69K 350 K1120 ADB
300
Nominal size NG4 according to ISO 4401-02 Relative duty factor 100 % DF 250
Actuation Switching solenoid Switching frequency 15'000 / h 200
7
Ambient temperature -25…+70 °C Service life time 10 (number of switching cycles, 150
100
if > +50 °C, then no undervoltage is theoretically) 50
admissible Voltage tolerance ± 10 % with regard to nominal voltage 0
Weight 0,83 kg (1 solenoid Economy) Standard nominal 12 VDC, 24VDC, 115 VAC, 230 VAC 0 2 4 6 8 10 Q [l/min]
0,90 kg (1 solenoid Medium) voltage AC = 50 to 60 Hz, rectifier integrated in
1,12 kg (2 solenoids Economy) the connector socket Δp = f (Q) Pressure drop volume flow characteristics Volume flow direction
1,24 kg (2 solenoids Medium) Note! Other electrical specifications see data sheet 1.1-168 Economy/Medium
MTTFd 150 years (slip-on coil V) and 1.1-175 (slip-on coil N) Symbol P - A P - B P - T A - T B - T
p [bar] AB1 / AB2 / AB3 2 2 - 1 1
30 K1121 4 2 ACB / AC1 / CB2 2 2 - 1 1
25 1
20 3 ADB / AD1 / DB2 2 2 - 1 1
15 BEA / BE1 / EA2 2 2 4 2 2
10 AFB / AF1 / FB2 1 1 3 3 3
5 AGB / AG1 / GB2 3 3 - 1 1
0
0 5 10 15 20 25 30 Q [l/min]

www.wandfluh.com Illustrations are not binding Data subject to change 2/5 Edition: 21 40 1.2-53 E www.wandfluh.com Illustrations are not binding Data subject to change 3/5 Edition: 21 40 1.2-53 E
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