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Proportional flow control valve Proportional flow control valve
Proportional flow control valve

TYPE CODE ACTUATION HYDRAULIC SPECIFICATIONS
Q N B PM33 - - / / - # Actuation Proportional solenoid, wet pin push Working pressure p = 350 bar
max
Flow control valve type, pressure tight Maximum volume flow Q = 70 l/min
max
Execution MKY45 / 18x60 (data sheet 1.1-183) Volume flow direction 1 → 2
Normally closed
MKU45 / 18x60 (data sheet 1.1-184) Leakage oil See characteristics
Proportional, explosion proof Connection Cable gland for cable Ø 6,5…14 mm Nominal volume flow Q = 55 l/min
N
Screw-in cartridge M33 x 2 Attention! The UL execution is always supplied without cable range
gland Hysteresis ≤ 8 % at optimal dither signal
Nominal volume flow rate Q 55 l/min 55 Repeatability ≤ 3 % at optimal dither signal
N
Fluid Mineral oil, other fluid on request
Nominal voltage U N 12 VDC G12
2
2
24 VDC G24 PERFORMANCE SPECIFICATIONS Viscosity range 12 mm /s…320 mm /s
Oil viscosity u = 30 mm /s Temperature range Operation as T4
2
Ambient temperature up to: fluid NBR -25…+70 °C (L15 / L17)
Nominal power P 15 W L15 70 °C Q = f (I) Volume flow signal characteristics FKM -20…+70 °C (L15 / L17)
N
17 W L17 70 °C (only UL / CSA)
Q [l/min] Contamination Class 18 / 16 / 13
Certification ATEX, IECEx, EAC, CCC 60 K4154 Q N = 55 l/min efficiency
Australia AU UL / CSA UL 50 Filtration Required filtration grade ß 6…10 ≥ 75,
MA MA 40 see data sheet 1.0-50
30
Sealing material NBR
FKM (Viton) D1 20
10
Options without 0
amplifier M248 0 10 20 30 40 50 60 70 80 90 100 I [%]

Design index (subject to change)
2.6-655
Q = f (p) Volume flow pressure characteristics Q = f (p) Leakage volume flow characteristics
L
Q [l/min] Q [cm /min]
3
70 K4155 400 K0980
GENERAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS 60
Designation Proportional 2-way flow control valve Protection class IP65 / 66 / 67 50 300
Construction Direct operated Relative duty factor 100 % DF 40 200
30
Mounting Screw-in cartridge construction Voltage tolerance ± 10 % with regard to nominal voltage 20 100
Nominal size M33 x 2 according to ISO 7789 Standard nominal 12 VDC, 24 VDC 10
Actuation Proportional solenoid voltage 0 0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]
Ambient temperature Operation as T4 Limiting current at… °C L15 / 17, 50 °C
-25…+70 °C (L15 / L17) I = 950 mA (12 VDC) Note! With the L15 / L17 execution for ambient temperatures
G
Weight 2,3 kg I = 450 mA (24 VDC) up to 70 °C, the performance specifications have been
G
MTTFd 150 years L15 / 17, 70 °C evaluated with an ambient temperature of 50 °C
I = 910 mA (12 VDC)
G
I = 420 mA (24 VDC)
G DIMENSIONS HYDRAULIC CONNECTION
Standard nominal 15 W, 17 W Cavity drawing according to ISO 7789–33–01–0–98
power
Temperature class Nominal power 15 W / 17 W: T1…T4 110 M33 x 2
s36
Note! Other electrical specifications see data sheet 1.1-183
and 1.1-184 71 M33x2
94 (2) (2)

(1)
23
(1)
15 12 17 18 10 18 40 30 60 (1)
MD=5.5Nm MD= 9Nm
60
100 51 Note! For detailed cavity drawing and cavity tools see data
157 sheet 2.13-1005

www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 21 21 2.6-655 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 21 2.6-655 E
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