Page 948 - Softbound_Edition_19_en

Proportional
pressure relief valves

Proportional inverse pressure relief valve
Screw-in cartridge
• Pilot operated M22x1,5
• Nominal pressure adjustable +20 % / -30 % ISO 7789
• Q max = 100 l/min
• p max = 400 bar
• p = 200 bar
N max

DESCRIPTION fUNCTION aPPlICaTION
Pilot operated proportional pressure relief When the operating pressure set by the pro- The valve has its application in hydraulic sy-
valve with inverse function. Thread M22x1,5 portional solenoid is reached, the main spool stems, in which the pressure frequently has
and cavity according to ISO 7789. As standard opens and connects the protected line with the to be changed. The facility for electric remote
versions, 4 pressure levels are available. return line to the tank. The back pressure in T controlling of the valve in conjunction with
The adjustment takes place by means of a (2) influences the pressure in P (1). This pilot process control systems enables economic
Wandfluh proportional solenoid (VDE-standard operated proportional pressure relief valve can problem solutions with repeatable sequences.
0580). The cartridge body made of steel is be adjusted very sensitively and is suitable for Installation of the screw-in cartridge in control
zinc coated and therefore rust-protected. The large volume flows and high pressures. To con- blocks.
solenoid coil is made of plastic. trol the valve, Wandfluh proportional amplifiers Cavity tools are available for machining the ca-
are available (see register 1.13). vities in steel and aluminium (hire or purchase).
Please refer to the data sheets in register 2.13.

TyPe CODe
B N I PM22 - - / K - #
Pressure relief valvel
Pilot operated, inverse
Proportional
Screw-in cartridge M22x1,5
Nominal pressure range p N 63 bar 63
100 bar 100
160 bar 160
200 bar 200
Nominal voltage U N 12 VDC G12
24 VDC G24
without coil X5
Slip-on coil Plastic housing round
Connection execution Connector socket EN 175301-803 / ISO 4400 D
Connector socketAMP Junior-Timer J
Connector Deutsch DT04-2P G (only for G24)
Sealing material NBR
FKM (Viton) D1
Design-Index (Subject to change

GENERal SPECIfICaTIONS SyMbOlS
Description Pilot operated proportional pressure
relief valve with inverse function
Construction Screw-in cartridge for cavity to ISO 7789 1(P)
Actuation Proportional solenoid
Mounting Screw-in thread M22x1,5
Ambient temperature -20…+50 °C
Mounting position any, preferably horizontal
Fastening torque M = 50 Nm for screw-in cartridge
D
M = 3 ± 1,2 Nm for knurled nut 2(T)
D
M = 9,5 Nm for hexagon nut
D
Weight m = 0,45kg

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 2.3-533E 1/3
CH-3714 Frutigen Edition 13 48

10

53.5 20 s27 M22x1.5 50 2(T) 70 60

1(P)

19.5

~5 38
15 17 ~117.7