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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve

DIMENSIONS HYDRAULIC CONNECTION Proportional pressure reducing cartridge with
Cavity drawing according to ISO 7789–22–04–0–98 integrated electronics M22 x 1,5
◆ pilot operated ISO 7789
M22x1.5 ◆ Q = 40 l/min
s30 max
◆ p = 400 bar
max
15 M22x1.5 ◆ p = 350 bar
76.8 MD=5.5Nm (3) (2) (3) N red max
37.1
(1) (2)
W = DESCRIPTION APPLICATION
Pilot operated proportional pressure reducing valve with integ­ Proportional pressure reducing valves with integrated electronics
12 17 10 18 50 70 60 90 80 (1)
MD=5Nm rated electronics in screw­in cartridge construction for cavity are perfectly suitable for demanding applications in which the
78.4 61 (1) according to ISO 7789. Proportionally to the solenoid current, the pressure frequently has to be changed. They are used in applica­

145.6 solenoid force and the pressure in port A (1) rise. The valve func­ tions where high valve­to­valve reproducibility, easy installation,
Note! For detailed cavity drawing and cavity tools see data tions practically independently of the pressure in port P (2). Pres­ comfortable operation and high precision are very important. The
sheet 2.13-1004
HB0 sure increase in the consumer port A (1) to above the adjusted integrated controller reliefs the machine control and operates the
value, e.g. through an active consumer, is avoided by discharging pressure control in a closed loop circuit. The applications are in the
15
MD= 9.5Nm excess oil to the tank T (3). With the solenoid deenergised, the oil industrial as well as in the mobile hydraulics for the smooth control
74.8 flows freely from consumer port A (1) to port T (3). The Plug & Play of hydraulic actuations. The screw­in cartridge is perfectly suitab­

35 valves are factory set and adjusted and have therefore a high val ­ le for installation in control blocks and is installed in sandwich­
ve­to­valve reproducibility. The control takes place via an analogue (vertical stacked systems) and in flange plates (corresponding data
M= interface or a fieldbus interface (CANopen, J1939 or Profibus DP). sheets in this register). For machining the cartridge cavity in steel
The parameterisation takes place by means of the free of cost para ­ and aluminum blocks, cavity tools are available (hire or purchase).
10 meterisation and diagnostics software «PASO» or via fieldbus Please refer to the data sheets in register 2.13.
interface. The USB parameterisation interface is accessible
through a screw plug. As an option, these valves are available with Note! „PASO” is a Windows programm in the flow diagram
PARTS LIST integrated controller. As feedback value generators sensors with style, which enables the intuitive adjustment and storing
Position Article Description voltage or current output can be connected directly. The available of all variable parameters. The data remain saved in
controller structures are optimised for applications with hydraulic case of a power failure and can also be reproduced and
10 206.2… W.S37 / 19 x 50 actuations. transferred to other DSV.
260.5… M.S35 / 19 x 50
12 154.2700 Knurled nut
15 253.8000 HB4,5 manual override
239.2033 HB0 Screw plug SYMBOL ACTUATION
17 160.2187 O-ring ID 18,72 x 2,62 (NBR) Actuation Proportional solenoid, wet pin push
18 160.2170 O-ring ID 17,17 x 1,78 (NBR) (A) 1 type, pressure tight
50 160.2188 O-ring ID 18,77 x 1,78 (NBR) Connection Via device receptacle
160.6188 O-ring ID 18,77 x 1,78 (FKM)
60 160.2156 O-ring ID 15,60 x 1,78 (NBR)
160.6156 O-ring ID 15,60 x 1,78 (FKM) (P) 2 (T) 3
70 049.3196 Backup ring rd 16,1 x 19 x 1,4
80 160.2140 O-ring ID 14,00 x 1,78 (NBR)
160.6141 O-ring ID 14,00 x 1,78 (FKM)
90 049.3176 Backup ring rd 14,1 x 17 x 1,4 ELECTRICAL SPECIFICATIONS
Protection class IP67 with suitable mating connector and
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
1.13­76.

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 18 47 2.3-641 E www.wandfluh.com Illustrations are not binding Data subject to change 1/6 Edition: 20 22 2.3-643 E
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