Proportional pressure reducing valve
www.wandfluh.com Illustrations are not binding Data subject to change 1/2 Edition: 18 19 2.3-50600 E
Proportional pressure reducing cartridge inverse
◆ pilot operated
◆ Q
max
= 60 l/min
◆ p
max
= 400 bar
◆ p
N red max
= 350 bar
M22 x 1,5
ISO 7789
TYPE CODE
M V I PM22 - 350 - G24 / WD #
Pressure reducing valve
Pilot operated
Proportional, inverse
Screw-in cartridge M22 x 1,5
Nominal pressure range p
N red
Nominal voltage U
N
Slip-on coil Metal housing round
Connection execution Connector socket EN 175301-803 / ISO 4400
Design index (subject to change)
2.3-50600
GENERAL SPECIFICATIONS
Designation Proportional pressure reducing valve
Construction Pilot operated
Mounting Screw-in cartridge construction
Nominal size M22 x 1,5 according to ISO 7789
Actuation Proportional solenoid
Ambient temperature -25…+70 °C (NBR)
-20…+70 °C (FKM)
Weight 0,53 kg
MTTFd 150 years
HYDRAULIC SPECIFICATIONS
Working pressure p
max
= 400 bar
Nominal pressure
range
P
N red
= 350 bar
Volume flow range Q = 0…60 l/min
Fluid Mineral oil, other fluid on request
Viscosity range 12 mm
2
/s…320 mm
2
/s
Temperature range
fluid
-20…+70 °C
Contamination
eciency
Class 18 / 16 / 13
Filtration Required filtration grade ß 6…10 ≥ 75,
see data sheet 1.0-50
SYMBOL
(T) 3
(A) 1
(P) 2
ELECTRICAL SPECIFICATIONS
Protection class Connection execution D: IP65
Relative duty factor 100 % DF
Standard nominal
voltage
24 VDC
Limiting current at
50 °C
I
G
= 660 mA (U
N
= 24VDC)
Note!
Other electrical specifications see data sheet 1.1-173
(slip-on coil W) and 1.1-174 (slip-on coil M)
PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm
2
/s
p
red
= f (Q) Pressure volume flow characteristics
Maximal adjustable pressure
400
300
200
100
0
60 40 20 0 20 40 60
K4187
p [bar]
Q [l/min]
A T P A
P
N = 350 bar
p
red
= f (Q) Pressure volume flow characteristics
Minimal adjustable pressure
*Consumer resistance depending on the system
40
30
20
10
0
60 40 20 0 20 40 60
K4188
p [bar]
Q [l/min]
A T P A
∗
p
N red = 350 bar
p
red
= f (n) Pressure adjustment characteristics
Measured at Q = 0 l/min (static)
K4189
p / p
N
[bar]
I / I
N
[%]
80 907050 6030 400 10 20 100
120
100
80
60
40
20
0
Proportional pressure reducing valve
www.wandfluh.com Illustrations are not binding Data subject to change 2/2 Edition: 18 19 2.3-50600 E
HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–22–04–0–98
(1)
(2)
(1)
(3)
M22x1.5
Note!
For detailed cavity drawing and cavity tools see data
sheet 2.13-1004
SURFACE TREATMENT
◆ The cartridge body, the slip-on coil and the armature tube are
zinc-nickel coated
Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com
DIMENSIONS
W =
37.1
78.4 59.9
173
34.7
76.8
s30
M22x1.5
(2)
(1)
(3)
INSTALLATION NOTES
Mounting type Screw-in cartridge M22 x 1,5
Mounting position Any, preferably horizontal
Tightening torque M
D
= 50 Nm Screw-in cartridge
M
D
= 5 Nm knurled nut
