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Solenoid operated spool valve
Solenoid operated spool valve

ELECTRICAL SPECIFICATIONS SURFACE TREATMENT
Protection class IP65 / 66 / 67 -The valve body, the cover and the socket head screws are made of
Relative duty factor 100 % DF stainless steel
Switching frequency 12'000 / h -The slip-on coil and the armature tube are zinc nickel coated
Optionally K10:
Voltage tolerance ± 10 % with regard to nominal voltage -The coil is made of stainless steel
Standard nominal 12 VDC, 24VDC, 115 VAC, 230 VAC
voltage AC = 50 to 60 Hz ± 2 %, with built-in SEALING MATERIAL
two-way rectifier
Standard nominal 9 W, 15 W, 17 W NBR or FKM (Viton) as standard, choice in the type code
power INBETRIEBNAHME
Temperature class Nominal power 9 W: T1…T6
Nominal power 15 W / 17 W: T1…T4 Attention! The solenoid coil must only be put into operation, if the
requirements of the operating instructions supplied are
Note! Other electrical specifications see data sheet 1.1-183, observed to their full extent. In case of non-observance,
1.1-183S and 1.1-184 no liability can be assumed.

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limits p = f (Q) Performance limits L9
Measured with nominal voltage -10% Measured with nominal voltage -10%
at 50 °C (steady-state temperature) at 40 °C (steady-state temperature)
Execution L9 90 °C on request

p [bar] AB1 / AB2 ADB ACB AB3/BEA p [bar] ADB ACB AB3
350 K4196 350 K4197
300 300
250 250 AB1 / AB2
200 200
150 150
100 100
50 50
0 0
0 10 20 30 40 50 Q [l/min] 0 5 10 15 20 25 30 Q [l/min]

Δp = f (Q) Pressure drop volume flow characteristic Volume flow direction
per control edge Symbol P-A P-B P-T A-T B-T
p [bar] AB1 / AB3 2 2 - 3 3
20 K4291 4 ACB 1 1 - 2 2
18 3
16 ADB 1 1 - 1 1
14 2
12 1 BEA 1 1 4 2 2
10
8
6
4
2 Q = f (Q) Leakage volume flow characteristics
0 L
0 5 10 15 20 25 30 35 40 45 50 Q [l/min] P → T

Q [cm /min]
3
L
300 K4199
250
Note! With the L15 / L17 execution for ambient temperatures BEA
up to 70 °C, the performance specifications have been 200
evaluated with an ambient temperature of 50 °C 150 AB1 / AB2
100 AB3
Attention! For valves for the temperature ranges „-40 °C to…” 50 ACB / ADB
(Z604) the leakage volume flow can be up to eight times 0 p [bar]
higher. 0 50 100 150 200 250 300 350

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 23 12 1.3-34S E
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