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Proportional
Proportional pressure reducing valve
pressure reducing valves

Proportional pressure reducing valve
Screw-in cartridge construction M33x2
• Integrated amplifier or controller electronics ISO 7789
• Pilot operated
• Q max = 160 l/min
• p max = 400 bar
• p = 350 bar
N red max

DESCRIPTION FUNCTION APPLICATION
Pilot operated proportional pressure reducing The proportional pressure reducing valve Proportional pressure reducing valves with
valve with integrated electronics as screw-in controls the pressure in port A (1). Proportio- integrated electronics are perfectly suitable for
cartridge. Thread M22x1,5 for cavity according nally to the seolenoid current, the solenoid demanding applications in which the pressure
ti ISO 7789. The Plug & Play valves are factory force and the pressure in port A (1) rise. The frequently has to be changed. They are used
set and adjusted and have a high valve-to- valve functions practically independently of the in applications where high valve-to-valve re-
valve reproducibility. With protection IP67 for pressure in port P (2). The control takes place producibility, easy installation, comfortable ope-
the electronics, these valves are suitable for- via an analog interface or a fieldbus interface ration and high precision are very important.
harsh environmental conditions. As standard, (CANopen, J1939 or Profibus DP). The pa- The applications are in the industrial as well as
4 pressure ranges are available. The adjust- rameterisation takes place by means of the in the mobile hydraulics. The proportional pres-
ment takes place by a Wandfluh proportional free of cost parameterisation and diagnostics sure reducing cartridge is perfectly suitable for
solenoid (VDE standard 0580). The cartridge software «PASO» or via Feldbus interface. The installation in control blocks as well as in flange
body as well as the solenoid made of steel USB parameterisation interface is accessible and sandwich valves of the size NG10 (please
are zinc coated and therefore rust protected. through a cover flap. «PASO» is a Windows refer to separate data sheets in register 2.3).
The electronics housing is made of aluminium. programm in the flow diagram style, which For machining the cartridge cavity in steel and
Optionally these valves are available with inte- enables the intuitive adjustment and storing aluminum blocks, cavity tools are available
grated controller. As feedback value generator, of all variable parameters. The data remain (hire or purchase). Please refer to the data
sensors with voltage or current output can be saved in case of a power failure and can also sheets in register 2.13.
directly connected. The available controller be reproduced and transferred to other DSVs.
structures are optimised for the utilisation with
hydraulic drives.

TYPE CODE
M V P PM33 - - / M E - HB4,5 #
Pressure reducing valve
Pilot operated
Proportional
Screw-in thread M33x2
Nominal pressure range p N red 100 bar 100
200 bar 200
275 bar 275
350 bar 350
Nominal voltage U 12 VDC G12
N
24 VDC G24
Slip-on coil Metal housing, square
Connection execution Integrated electronics
Hardware configuration
With analog command value signal (0…+10 V preset) A1
With CANopen according to DSP-408 C1
With Profibus DP in accordance with Fluid Power Technology P1
With CAN J1939 (on request) J1
Function
Amplifier
Controller with current feedback value signal (0...20 mA / 4...20 mA) R1
Controller with voltage feedback value signal (0...10 V) R2
Dichtwerkstoff 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 2.3-652E 1/4
CH-3714 Frutigen Edition 17 01
Page 1067