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Proportional pressure relief valve
Proportional pressure relief valve

Proportional pressure relief cartridge with
integrated electronics M22 x 1,5
◆ pilot operated ISO 7789
◆ Q = 100 l/min
max
◆ p = 400 bar
max
◆ p = 350 bar
N max

DESCRIPTION APPLICATION
Pilot operated proportional pressure relief valve with integrated Proportional pressure relief valves with integrated electronics are
electronics as screw-in cartridge for cavity according to ISO perfectly suitable for demanding applications in which the pressure
7789. When the operating pressure adjusted by means of the pro- frequently has to be changed. They are used in applications where
portional solenoid is reached, the valve opens and connects the high valve-to-valve reproducibility, easy installation, comfortable
protected line with the drain to the tank. The back pressure in T operation and high precision are very important. The integrated
(2) affects the pressure in P (1). This proportional valve is very controller reliefs the machine control and operates the pressure
sensitively adjustable and suitable for high pressures. The Plug & control in a closed loop circuit. The applications are in the industri-
Play valves are factory set and adjusted and have therefore a al as well as in the mobile hydraulics for the smooth control of
high valve-to-valve reproducibility. The control takes place via an hydraulic actuations. The screw-in cartridge is perfectly suitable
analogue interface or a fieldbus interface (CANopen, J1939 or for installation in control blocks and is installed in sandwich-
Profibus DP). The parameterisation takes place by means of the (vertical stacked systems) and in flange plates (corresponding data
free of cost parameterisation and diagnostics software «PASO» sheets in this register). For machining the cartridge cavity in steel
or via fieldbus interface. The USB parameterisation interface is and aluminum blocks, cavity tools are available (hire or purchase).
accessible through a screw plug. As an option, these valves are Please refer to the data sheets in register 2.13.
available with integrated controller. As feedback value genera-
tors sensors with voltage or current output can be connected Note! „PASO” is a Windows programm in the flow diagram
directly. The available controller structures are optimised for style, which enables the intuitive adjustment and storing
of all variable parameters. The data remain saved in
applications with hydraulic actuations. case of a power failure and can also be reproduced and
transferred to other DSV.

SYMBOL ACTUATION
Actuation Proportional solenoid, wet pin push
(T) 2 type, pressure tight
Connection Via device receptacle

(P) 1

ELECTRICAL SPECIFICATIONS MANUAL OVERRIDE

Protection class IP67 with suitable mating connector and HB4,5 as standard
closed housing cover
Ramps Adjustable
Parameterisation Via fieldbus or USB
Supply voltage 12 VDC, 24 VDC
Note! Exact electrical specifications and detailed description
of «DSV» electronics can be found on data sheet
1.13-76.

www.wandfluh.com Illustrations are not binding Data subject to change 1/6 Edition: 20 40 2.3-537 E
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