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

DIMENSIONS HYDRAULIC CONNECTION Proportional 3-way flow control valve
Cavity drawing according to ISO 7789–33–01–0–98 Screw-in cartridge
• Direct operated, pressure compensated m33 x 2
M33 x 2 ISO 7789
s32 • Q max = 100 l/min, p max = 350 bar
15 • Q N max = 63 l/min
MD=5.5Nm M33x2
78.2 (2) (2)
37.1 (1) DESCRIPTION FuNCTION APPLICATION
Direct operated, pressure compensated pro- The 3-way flow control valve serves for maintai- Proportional flow control valves are suitable for
W= portional flow control valve as a screw-in cart- ning the speed of a consumer constant inde- feed control systems, where the consumer flow
ridge with a thread M33 x 2 for cavity acc. to pendent of the load. Superfluous pump output has to be maintained constant with a changing
(1) ISO 7789. Two flow ranges are available. The flow is fed into the return flow system in a cost load. The screw-in cartridge is suitable for in-
12 17 10 18 50 13 70 60 (1) volume flow is adjusted by a Wandfluh propor- saving manner, and as a result, prevents an stallation in control blocs as well as in flange-
MD=5Nm tional solenoid (VDE standard 0580). The cart- overheating of the hydraulic system. The po- and sandwich valves of the size NG10. Cavity
82.5 50.6 ridge body is made of steel. A special surface wer controlled, proportional solenoid running tools are available for machining the cartridge
Note! For detailed cavity drawing and cavity tools see data
139.6 sheet 2.13-1005 treatment guarantees a good protection against in oil acts directly on the throttle spool, which cavities in steel and aluminium (for hire or for
corrosion and wear as well as very good low-
purchase). Please refer to the data sheets in
opens the throttle segments in the cartridge
friction characteristics of the pressure compen- body. Proportional to the current demand of the Reg. 2.13 of our documen-
HB0 sating- and throttle spool. The solenoid coil is proportional solenoid, the throttle aperture tation.
15 zinc- /nickel-coated. changes, and with this the volume flow. In case
MD= 9.5Nm of a current-free solenoid, the throttle spool is
held in closed position by a spring. For driving
77.3 the valve, Wandfluh proportional amplifiers are
available (see Register 1.13).
35
M= TyPE CODE
Q D P PM33 - - / - #
10 Flow control valve

3-way
PARTS LIST Proportional
Position Article Description Screw-in cartridge M33 x 2
10 206.2… W.S37 / 19 x 50 Nominal volume flow rates Q N 32 l/min 32

63 l/min
63
260.5… M.S35 / 19 x 50
12 154.2700 Knurled nut Nominal voltage U N 12 VDC G12
G24

24 VDC
13 212.0013 Plastic disc rd 7 x 1,5 without coil X5
15 253.8000 HB4,5 manual override Slip-on coil Metal housing, round W
10
M33x2
239.2033 HB0 Screw plug 62,2 s36 Metal housing, square M *
(3)
(2)
17 160.2187 O-ring ID 18,72 x 2,62 (NBR) 20 Connection execution Connector socket EN 175301-803 / ISO 4400 D J
Connector socket AMP Junior-Timer

18 160.2170 O-ring ID 17,17 x 1,78 (NBR) 15 Connector Deutsch DT04-2P (1) G
50 160.2298 O-ring ID 29,82 x 2,62 (NBR) Sealing material NBR
160.8298 O-ring ID 29,82 x 2,62 (FMK) 22,5 FKM (Viton) D1
Manual override Armature tube closed (standard)
60 160.2252 O-ring ID 25,12 x 1,78 (NBR) Screwed sealing plug 70 HB0
160.8252 O-ring ID 25,12 x 1,78 (FKM) 2,2 92 Manual emergency actuation 90 HB4.5
79,7
70 049.3296 Back-up ring rd 26,1 x 29,4 x 1,4 Design-Index (Subject to change) 171,7
18
50
17
80
* Only available in conjunction with other nominal voltages 60
and connection versions. (See data sheet 1.1-181)
SymbOLS GENERAL SPECIFICATIONS
simplified detailed Description 3-way proportional flow control valve
Construction Screw-in cartridge for cavity acc. to ISO 7789
Operation Proportional solenoid
Mounting Screw-in thread M33 x 2
Ambient temperature -20…50 °C
1 3 Mounting position any
1 3 Fastening torque M D = 80 Nm for screw-in cartridge
2 M = 7 Nm for knurled nut
D
Weight m = 1,00 kg
Flow direction see symbol
Wandfluh AG Postfach CH-3714 Frutigen 2
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 20 38 2.6-661 E Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.6-666E 1/3
CH-3714 Frutigen Edition 12 23
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