Page 1006 - Softbound_Edition_19_en

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

TYPE CODE PERFORMANCE SPECIFICATIONS
2
M D B PM16 - - / / - # Oil viscosity u = 30 mm /s
Pressure reducing valve p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics
red
red
Direct operated Maximal adjustable pressure Maximal adjustable pressure
25 bar execution 40 bar execution
Proportional, explosion proof execution Ex d *Limit of the operating range *Limit of the operating range
p [bar] p [bar]
Screw-in cartridge M16 x 1,5
30 K1145 60 K1144
Nominal pressure range p N red 25 bar 25
40 bar 40 20 40

Nominal voltage U 12 VDC G12  ∗ ∗
N 10 20 
24 VDC G24
Ambient temperature up to: 0 0
Nominal power P 15 W L15 70 °C 6 4 2 0 2 4 6 6 4 2 0 2 4 6
N
17 W L17 70 °C (only UL / CSA) A  T Q [l/min] P  A A  T Q [l/min] P  A
21 W L21 50 °C
Certification ATEX, IECEx, EAC
CCC UL / CSA UL p = f (n) Pressure adjustment characteristics p = f (n) Pressure adjustment characteristics
Australia AU MA MA red red
Measured at Q = 0 l/min (static) Measured at Q = 0 l/min (static)
Sealing material NBR 25 bar execution 40 bar execution
FKM (Viton) D1 **Slightly increased hysteresis **Slightly increased hysteresis
p [bar] p [bar]
Options without 30 K4148 L21 50 K4149 L21
amplifier M248
25 40
System pressure max. 210 bar 20 L15 / L17 30 L15 / L17
System pressure max. 350 bar Z406 15
10 20
Design index (subject to change) 5 10
2.3-602 ** **
0 0
ELECTRICAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS 0 10 20 30 40 50 60 70 80 90 100 l [%] 0 10 20 30 40 50 60 70 80 90 100 l [%]
Protection class IP65 / 66 / 67 Working pressure p = 210 bar (350 bar)
max
Relative duty factor 100 % DF Nominal pressure P = 25 bar, 40 bar
N red
Voltage tolerance ± 10 % with regard to nominal voltage range
Standard nominal 12 VDC, 24 VDC Minimum adjustable < 0,5 bar STANDARDS SURFACE TREATMENT
voltage pressure Cartridge cavity Wandfluh standard ◆ The cartridge body is gas-nitro carburised
Limiting current at… °C L15 / 17, 50 °C Volume flow range Q = 0…6 l/min Explosion protection Directive 2014 / 34 / EU (ATEX) ◆ The slip-on coil and the armature tube are zinc-nickel coated
I = 950 mA (12 VDC) Leakage oil 25 bar execution at p = 210 bar Flameproof enclosure EN / IEC / UL 60079-1, 31
sys
G
I = 450 mA (24 VDC) p = 0 bar: < 10 ml/min
G red Cable entry EN 60079-0, 1, 7, 15, 31
L15 / 17, 70 °C p = 25 bar: < 50 ml/min Protection class EN 60 529
red
I = 910 mA (12 VDC) 40 bar execution at p = 210 bar Contamination ISO 4406
G
sys
I = 420 mA (24 VDC) p = 0 bar: < 10 ml/min
G red efficiency
L21, 50 °C p = 45 bar: < 40 ml/min
red
I = 1230 mA (12 VDC) Hysteresis ≤ 4 % at optimal dither signal
G
I = 600 mA (24 VDC)
G Repeatability ≤ 1 % at optimal dither signal COMMISSIONING INSTALLATION NOTES
Standard nominal 15 W, 17 W, 21 W Fluid Mineral oil, other fluid on request
power Viscosity range 12 mm /s…320 mm /s Attention! The solenoid coil must only be put into operation, if the Mounting type Screw-in cartridge type M16 x 1,5
2
2
Temperature class T1…T4 Temperature range -25…+70 °C (NBR; L15 / 17) requirements of the operating instructions supplied are Mounting position Any, preferably horizontal
observed to their full extent. In case of non-observance,
Note! Other electrical specifications see data sheet 1.1-183 fluid -20…+70 °C (FKM; L15 / 17) no liability can be assumed. Tightening torque M = 30 Nm screw-in cartridge
D
M = 9 Nm Knurled nut
and 1.1-184 -25…+50 °C (NBR; L21) D
-20…+50 °C (FKM; L21)
Contamination Class 18 / 16 / 13
efficiency
Filtration Required filtration grade ß 6…10 ≥ 75,
see data sheet 1.0-50
www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 21 21 2.3-602 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 21 2.3-602 E
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