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Proportional flow control valve
Proportional flow control valves

Proportional 3-way flow control valve M33x2
Screw-in cartridge ISO 7789
• Integrated amplifier electronics
• Direct operated, pressure compensated
• Q max = 100 l/min, p max = 350 bar
• Q N max = 63 l/min

DESCRIPTION FUNCTION APPLICATION
Direct operated, pressure compensated propor- The 3-way flow control valve is designed to Proportional flow control valves are suitable for
tional flow control valvewith integrated electro- keep the oil flow to any actuator constant irre- precise feed control system where the supply
nics as a screw-in cartridge with a thread M33x2 spective of the load. Surplus volume flow will volume flow needs to be kept constant even
for cavity acc. to ISO 7789. These plug & play be diverted to the tank line thus saving energy. when the load fluctuates. They are imple-
valves are factory set and adjusted. High valve- Proportionally to the command signal applied mented in systems calling for good valve-
to-valve reproducibility. Housing for electronics to the electronics spool stroke, metering open- to-valve reproducibility, easy installation, com-
with protection class IP67 for harsh environ- ing and volume flow increase. The control con- fortable operation and high precision in indust-
ment. Two flow ranges are available. The vol- nection is provided by an analog interface or a rial hydraulics as well as in mobile hydraulics.
ume flow is adjusted by a Wandfluh proportional fieldbus interface (CANopen, J1939 or Profi- The screw-in cartridge is very suitable for
solenoid (VDE standard 0580). Allmost linear bus DP). Parameter setting and diagnosis with mounting in control blocks, flange bodies and
flow increase and low hysteresis are typical for the free-of-charge software «PASO» or via sandwich plates of the size NG10. Cavity tools
this valve. The cartridge and the solenoid made fieldbus interface. The USB parameterisation are available for machining cartridge cavities
of steel are zinc coated and therefore rustpro- interface is accessible through a cover flap. (hire or purchase).Please refer to the data
tected. The housing for the elctronics is made «PASO» is a Windows program in the flow dia- sheets in register 2.13.
of aluminium. gram style, which enables the intuitive setting
and storing of all variable parameters. The data
remain saved in case of a power failure and
can also be reproduced and transferred to
other DSVs.

TYPE CODE
Q D P PM33 - - / M E - HB4.5 #
Flow control valve
3-way
Proportional
Screw-in thread M33x2
32 l/min 32
Nominal volume flow rate Q N
63 l/min 63
12 VDC G12
Nominal voltage U N
24 VDC G24
Slip-on coil Metal housing, square
Connection execution Metal housing, square
Hardware configuration
With analog signal (0…+10 V factory set) A1
With CANopen acc. to DSP-408 C1
With Profibus DP in accordance with Fluid Power Technology P1
With CAN J1939 (on request) J1
Sealing material NBR
FKM (Vitron) D1
Manual override
Design-Index (Subject to change)

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 2.6-668E 1/4
CH-3714 Frutigen Edition 17 01
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