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Proportional flow control valve Proportional flow control valve
Proportional flow control valve

SYMBOL ACTUATION PERFORMANCE SPECIFICATIONS
Simplified Detailed Actuation Proportional solenoid, wet pin push Oil viscosity u = 30 mm /s
2
2 2 type, pressure tight Q = f (I) Volume flow adjustment characteristics DN ∆p = f (Q) Pressure drop volume flow characteristic
Execution W.S37 / 19 x 50 (Data sheet 1.1-173) ∆p = 100 bar p [bar]
M.S35 / 19 x 50 (Data sheet 1.1-174) Q [l/min] 50 K0982
Connection Connector socket EN 175301 – 803 120 K0981_1 2 1 (l = 100%)
1 40 1 2 (l = 0%)
Connector socket AMP Junior-Timer 100 30
Connector Deutsch DT04 – 2P 80
60 20
40 10
1 20 0
0 0 20 40 60 80 100 120 Q [l/min]
0 10 20 30 40 50 60 70 80 90 100 l [%]

Q = f (p) Volume flow pressure characteristics Q = f (p) Leakage volume flow characteristics
L
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS Q [l/min] Q [cm /min]
3
120 K0983_1 50 K0984
Designation Proportional 2-way flow control poppet Working pressure p = 350 bar 100
max
valve Maximum volume flow See characteristic 80 l = 100% 40
Construction Pilot operated Minimum volume flow See characteristic 60 l = 75% 30
Mounting Screw-in cartridge construction Volume flow direction 2 → 1 40 l = 60% 20
Nominal size M33 x 2 according to ISO 7789 Leakage oil See characteristic 20 l = 45% 10
Actuation Proportional solenoid Nominal volume flow Q = 80 l/min 0 0
N
Ambient temperature -25…+70 °C range 0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]
Weight 0,71 kg Hysteresis ≤ 5 % at optimal dither signal (100 bar)
MTTFd 150 years Fluid Mineral oil, other fluid on request
Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM) ACCESSORIES SURFACE TREATMENT
Contamination Class 18 / 16 / 13 Proportional amplifier Register 1.13 ◆ The cartridge body, the slip-on coil and the armature tube are
efficiency zinc-nickel coated
Filtration Required filtration grade ß 6…10 ≥ 75, Electric plug B (black) Article no. 219.2002
see data sheet 1.0-50 Threaded body Data sheet 2.9-205
Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50
SEALING MATERIAL
NBR or FKM (Viton) as standard, choice in the type code

MANUAL OVERRIDE ELECTRICAL SPECIFICATIONS
HB4,5 Protection class Connection execution D: IP65
Optionally: Screw plug (HB0), no actuation possible Connection execution J: IP66 INSTALLATION NOTES STANDARDS
Connection execution G: IP67 and IP69K Mounting type Screw-in cartridge M33 x 2 Cartridge cavity ISO 7789
Relative duty factor 100 % DF Mounting position Any, preferably horizontal Solenoids DIN VDE 0580
Standard nominal 12 VDC, 24 VDC Tightening torque M = 130 Nm Screw-in cartridge Connection execution D EN 175301 – 803
D
voltage M = 5 Nm knurled nut Protection class EN 60 529
D
Limiting current at I = 1320 mA (U = 12VDC) M = 9,5 Nm HB0 Contamination efficiency ISO 4406
N
G
50 °C I = 660 mA (U = 24VDC) D
G N M = 5,5 Nm HB4,5
D
Note! Other electrical specifications see data sheet 1.1-173
(slip-on coil W) and 1.1-174 (slip-on coil M)

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 20 38 2.6-661 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 20 38 2.6-661 E
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