Page 1273 - Softbound_Edition_19_en

Proportional flow control valve
Proportional flow control valve

ACTUATION HYDRAULIC SPECIFICATIONS
Actuation Proportional solenoid, wet pin push Working pressure p = 350 bar
max
type, pressure tight Maximum volume flow Q = 70 l/min
max
Execution MKY45 / 18x60 (data sheet 1.1-183) Volume flow direction 1 → 2
MKU45 / 18x60 (data sheet 1.1-184) Leakage oil See characteristics
Connection Cable gland for cable Ø 6,5…14 mm Nominal volume flow Q = 55 l/min
N
Attention! The UL execution is always supplied without cable range
gland Hysteresis ≤ 8 % at optimal dither signal
Repeatability ≤ 3 % at optimal dither signal
Fluid Mineral oil, other fluid on request
2
2
PERFORMANCE SPECIFICATIONS Viscosity range 12 mm /s…320 mm /s
Oil viscosity u = 30 mm /s Temperature range Operation as T4
2
fluid NBR -25…+70 °C (L15 / L17)
Q = f (I) Volume flow signal characteristics FKM -20…+70 °C (L15 / L17)
Q [l/min] Contamination Class 18 / 16 / 13
60 K4154 Q N = 55 l/min efficiency
50 Filtration Required filtration grade ß 6…10 ≥ 75,
40 see data sheet 1.0-50
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100 I [%]

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
60
50 300
40 200
30
20 100
10
0
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]

Note! With the L15 / L17 execution for ambient temperatures
up to 70 °C, the performance specifications have been
evaluated with an ambient temperature of 50 °C

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to ISO 7789–33–01–0–98

110 M33 x 2
s36
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 3/4 Edition: 21 21 2.6-655 E
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