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

TYPE CODE PERFORMANCE SPECIFICATIONS EXECUTION L9 (MEASURED AT 40 °C)
2
M V B PM22 - - / / - # Oil viscosity u = 30 mm /s
Pressure reducing valve p = f (Q) Pressure volume flow characteristics p = f (n) Pressure adjustment characteristics
red
red
Pilot operated Maximal adjustable pressure Measured at Q = 1 l/min
p [bar] p [%]
Proportional, explosion proof execution Ex d 400 K0435_1 100 K1005
Screw-in cartridge M22 x 1,5 300 P N red = 280 bar 80
60
Execution L9 L15 / L17 200 P N red = 220 bar 40
P N red = 160 bar
Nominal pressure range p N red [bar] 20 160 20 200
50 220 63 275 100 P N red = 80 bar 20
80 280 100 350 0 P N red = 50 bar 0
P N red = 20 bar
60 40 20 0 20 40 60 0 20 40 60 80 100 l [%]
Nominal voltage U 12 VDC G12 A  T Q [l/min] P  A
N
24 VDC G24

Ambient temperature up to: p = f (Q) Pressure volume flow characteristics Q = f (p) Leakage volume flow characteristic
L
red
Nominal power P 9 W L9 40 °C or 90 °C Minimal adjustable pressure A (1) → T (3) (pressure in P (2) = 350 bar)
N
15 W L15 70 °C *Consumer resistance depending on the system Q [cm /min]
3
17 W L17 70 °C (only UL / CSA)
p [bar] a: P N red = 160/220/280 bar b: P N red = 20/50/80 bar 1000 K0760_1
Certification ATEX, IECEx, EAC, 40 K0443_1 a 800
CCC UL / CSA UL 600
Australia AU MA MA 30 b
20 400
Sealing material NBR 200
FKM (Viton) D1 10  ∗
0
100
50
Options without 0 0 P N red = 20/50/80 bar 150 200 250 300 350 p [bar]
amplifier M248 60 40 20 0 20 40 60 P N red = 160/220/280 bar
A  T Q [l/min] P  A
Design index (subject to change)
2.3-635 PERFORMANCE SPECIFICATIONS EXECUTION L15 / L17 (MEASURED AT 50 °C)
Oil viscosity u = 30 mm /s
2
ELECTRICAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
p = f (Q) Pressure volume flow characteristics p = f (n) Pressure adjustment characteristics
Protection class IP65 / 66 / 67 Working pressure p = 400 bar red Maximal adjustable pressure red Measured at Q = 1 l/min
max
Relative duty factor 100 % DF Nominal pressure Execution L9 p [bar]
Voltage tolerance ± 10 % with regard to nominal voltage range p N red = 20; 50; 80; 160; 220; 280 bar 400 K0434 100 p [%]
K1002
Standard nominal 12 VDC, 24 VDC Execution L15 / L17 P N = 350 bar 80
voltage p N red = 20; 63; 100; 200; 275; 350 bar 300 P N = 275 bar 60
Limiting current at… °C L9, 40 °C Volume flow range Q = 0…60 l/min 200 P N = 200 bar
I = 625 mA (12 VDC) Leakage oil See characteristics 100 P N = 100 bar 40
G
I = 305 mA (24 VDC) Hysteresis ≤ 5 % at optimal dither signal P N = 63 bar 20
G
L15 / 17, 50 °C Repeatability ≤ 2 % at optimal dither signal 0 P N = 20 bar 0
0
40
20
I = 950 mA (12 VDC) Fluid Mineral oil, other fluid on request 60 40 A  T Q [l/min] 20 P  A 60 0 20 40 60 80 100 l [%]
G
I = 450 mA (24 VDC) Viscosity range 12 mm /s…320 mm /s
2
2
G
L15 / 17, 70 °C Temperature range Operation as T6
I = 910 mA (12 VDC) fluid NBR -25…+40 °C (L9) p = f (Q) Pressure volume flow characteristics Q = f (p) Leakage volume flow characteristic
L
red
G
I = 420 mA (24 VDC) Minimal adjustable pressure A (1) → T (3) (pressure in P (2) = 350 bar)
G FKM -20…+40 °C (L9) *Consumer resistance depending on the system
3
Standard nominal 9 W, 15 W, 17 W Operation as T4 Q [cm /min]
power NBR -25…+70 °C (L9 or L15 / L17) p [bar] a: P N red = 200/275/350 bar b: P N red = 20/63/100 bar 1000 K0760_2
Temperature class Nominal power 9 W: T1…T6 FKM -20…+70 °C (L15 / L17) 40 K0443_2 a 800
Nominal power 15 W / 17 W: T1…T4 FKM -20…+70 °C (L9) 30 600
Note! Other electrical specifications see data sheet 1.1-183 Contamination Class 18 / 16 / 13 20 b 400
and 1.1-184 efficiency 200
Filtration Required filtration grade ß 6…10 ≥ 75, 10  ∗ 0
see data sheet 1.0-50 0 0 50 100 150 200 250 300 350 p [bar]
60 40 20 0 20 40 60 P N red = 20/63/100 bar
P N red = 200/275/350 bar
A  T Q [l/min] P  A

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 21 21 2.3-635 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 19 19 2.3-635 E
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