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

TYPE CODE ACTUATION HYDRAULIC SPECIFICATIONS
WD F A04 - - - / - # Actuation Switching solenoid, wet pin push type, Working pressure p = 350 bar (P < 20 bar)
T
max
Spool valve, direct operated pressure tight p = 315 bar (P > 20 bar)
max
T
Execution Economy: V.E37 / 19 x 40 (Data sheet Tank pressure p = 100 bar
Slip-on coil, Economy E Tmax
Slip-on coil, Medium M 1.1-168) Maximum volume flow Q = 30 l/min, see characteristics
max
Medium: V.E37 / 19 x 50 (Data sheet Leakage oil See characteristics
Flange construction 1.1-168) Fluid Mineral oil, other fluid on request
N.S35 / 19 x 50 (Data sheet 1.1-175)
2
2
Mounting interface acc. to Wandfluh standard, NG4-Mini Viscosity range 12 mm /s…320 mm /s
Connection Connector socket EN 175301 – 803 Temperature range -25…+70 °C (NBR)
Designation of symbols acc. to table Connector socket AMP Junior-Timer fluid -20…+70 °C (FKM)
Connector Deutsch DT04 – 2P
Spool specification Standard Contamination Class 20 / 18 / 14
Low Leakage 1/x efficiency
Filtration Required filtration grade ß 10…16 ≥ 75,
Nominal voltage U 12 VDC G12 115 VAC R115 see data sheet 1.0-50
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] AFB AB1 p [bar] ADB/BEA/AFB
Sealing material NBR 350 K1026 AB3/ACB 350 K1027
FKM (Viton) D1 300 ADB/AGB 300 AB1/AB3
250 250 ACB/AGB
Manual override Integrated 200 200
Push-button HF1 150 BEA 150
Spindle HS1 100 100
50 50
Surface protection Standard 0 0
Zinc-nickel K8 0 5 10 15 20 Q [l/min] 0 5 10 15 20 25 30 Q [l/min]

Design index (subject to change)
1.2-33 p = f (Q) Performance limits
Measured with nominal voltage -10 %
Low Leakage
GENERAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS p [bar]
Designation 4/2-, 4/3-spool valve Protection class Connection execution D: IP65 350 K1028 AB3
Construction Direct operated Connection execution J: IP66 300 ADB
Mounting Flange construction Connection execution G: IP67 and IP69K 250
200
Nominal size NG4-Mini according to Wandfluh Relative duty factor 100 % DF 150 AB1
standard Switching frequency 15'000 / h 100
7
Actuation Switching solenoid Service life time 10 (number of switching cycles, 50
Ambient temperature -25…+70 °C theoretically) 0 0 2 4 6 8 10 Q [l/min]
if > +50 °C, then no undervoltage is Voltage tolerance ± 10 % with regard to nominal voltage
admissible Standard nominal 12 VDC, 24VDC, 115 VAC, 230 VAC
Weight 0,83 kg (1 solenoid Economy) voltage AC = 50 to 60 Hz, rectifier integrated in Δp = f (Q) Pressure drop volume flow characteristics Volume flow direction
0,90 kg (1 solenoid Medium) the connector socket Economy / Medium Symbol P - A P - B P - T A - T B - T
1,12 kg (2 solenoids Economy) Note! Other electrical specifications see data sheet 1.1-168 p [bar] AB1 / AB2 / AB3 2 2 - 1 1
1,24 kg (2 solenoids Medium) (slip-on coil V) and 1.1-175 (slip-on coil N) 30 K1029 4 2 ACB / AC1 / CB2 2 2 - 1 1
MTTFd 150 years 25 1 ADB / AD1 / DB2 2 2 - 1 1
20
15 3 BEA / BE1 / EA2 1 1 4 1 1
10 AFB / AF1 / FB2 1 1 3 1 1
5 AGB / AG1 / GB2 1 1 - 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 1.2-33 E www.wandfluh.com Illustrations are not binding Data subject to change 3/5 Edition: 21 40 1.2-33 E
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