Page 1285 - Softbound_Edition_19_en

Proportional flow control valve
Proportional flow control valves

Proportional 3-way flow control valve
Screw-in cartridge
• Direct operated, pressure compensated m33 x 2
• Q max = 100 l/min, p max = 350 bar ISO 7789
• Q N max = 63 l/min

DESCRIPTION FuNCTION APPLICATION
Direct operated, pressure compensated pro- The 3-way flow control valve serves for maintai- Proportional flow control valves are suitable for
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
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-
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-
tional solenoid (VDE standard 0580). The cart- overheating of the hydraulic system. The po- and sandwich valves of the size NG10. Cavity
ridge body is made of steel. A special surface wer controlled, proportional solenoid running tools are available for machining the cartridge
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- opens the throttle segments in the cartridge purchase). Please refer to the data sheets in
friction characteristics of the pressure compen- body. Proportional to the current demand of the Reg. 2.13 of our documen-
sating- and throttle spool. The solenoid coil is proportional solenoid, the throttle aperture tation.
zinc- /nickel-coated. changes, and with this the volume flow. In case
of a current-free solenoid, the throttle spool is
held in closed position by a spring. For driving
the valve, Wandfluh proportional amplifiers are
available (see Register 1.13).

TyPE CODE
Q D P PM33 - - / - #
Flow control valve
3-way
Proportional
Screw-in cartridge M33 x 2
32 l/min 32
Nominal volume flow rates Q N
63 l/min 63
12 VDC G12
Nominal voltage U N
24 VDC G24
without coil X5
Slip-on coil Metal housing, round W
10
M33x2
62,2 s36 Metal housing, square M *
20 Connection execution Connector socket EN 175301-803 / ISO 4400 D
(3)
(2)
Connector socket AMP Junior-Timer J
15 Connector Deutsch DT04-2P G
(1)
Sealing material NBR
22,5 FKM (Viton) D1
Manual override Armature tube closed (standard)
Screwed sealing plug 70 HB0
2,2 92 79,7
Manual emergency actuation 90 HB4.5
171,7
Design-Index (Subject to change) 50 60
18
17
80
* Only available in conjunction with other nominal voltages
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 = 80 Nm for screw-in cartridge
D
2 M = 7 Nm for knurled nut
D
Weight m = 1,00 kg
Flow direction see symbol
2
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
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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