Page 227 - Softbound_Edition_19_en

Solenoid operated spool valve
Solenoid operated spool valve

ACTUATION MANUAL OVERRIDE
Actuation Switching solenoid, wet pin push type, ◆ Integrated (–) Actuation pin integrated in the armature tube.
pressure tight Actuation by pressing the pin
Execution V.E37 / 19 x 50 (Data sheet 1.1-168) ◆ Push-button (HF1) Integrated in the knurled nut. Actuation by
N.S35 / 19 x 50 (Data sheet 1.1-175) pressing the push-button
Connection Connector socket EN 175301 – 803 ◆ Spindle (HS1) Integrated in the knurled nut. Actuation by turning
the spindle (continuously variable valve actuation)
Connector socket AMP Junior-Timer
Connector Deutsch DT04 – 2P Attention! The actuation of the manual override is possible up to a
tank pressure of:
40 bar Integrated (–)
40 bar Push-button (HF1)
100 bar Spindle (HS1)

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
p = f (Q) Performance limits Q = f (Q) Leakage volume flow characteristics
L
Measured with nominal voltage -10 % per control edge
p [bar] Q [cm /min]
3
350 K1035 AB1 / AB2 60 K1037
ACB
300 ADB 50
250 40
200 30
150
100 20
50 10
0 0
0 5 10 15 20 Q [l/min] 0 50 100 150 200 p [bar]

Δp = f (Q) Pressure drop volume flow characteristics Volume flow direction
p [bar] Symbol P - A P - B P - T A - T B - T
20 K1036 AB1 / AB2 3 3 - 3 3
3
15 2 ACB / AC1 / CB2 2 2 - 2 2
ADB / AD1 / DB2 3 3 - 1 1
10
1
5

0
0 5 10 15 20 Q [l/min]

Switching times, influence of the soft switching Switching times, influence of the soft switching
Solenoid energised Solenoid deenergised
Measured with WWMFA04-ACB-G24 compared Measured with WWMFA04-ACB-G24 compared
with WDMFA04-ACB-G24 at Q = 10 l/min with WDMFA04-ACB-G24 at Q = 10 l/min
U [V] U [V]
24 24
0 0
p [bar] p [bar]
E
E
100 K1049_e 100 K1050_e
80 Soft-switching valve 80 Standard valve
60 60
40 Standard valve 40
20 20 Soft-switching valve
0 0
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]

www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 22 13 1.4-13 E
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