Page 1248 - Softbound_Edition_19_en

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

SYMBOL CERTIFICATES PERFORMANCE SPECIFICATIONS
Simplified Detailed QN… Surface Mining Standard M248 Oil viscosity u = 30 mm /s
2
2 2 -25 °C Electronic Q = f (I) Volume flow signal characteristics Q = f (p) Volume flow pressure characteristics
to…
Q [l/min] Q [l/min]
ATEX x x x x 40 K1176 40 K1177
1 IECEx x x x x 30 30
CCC x x x x Q N = 25 l/min Q N = 25 l/min
EAC x x x x 20 Q N = 16 l/min 20 Q = 16 l/min
N
Australia x x x 10 Q N = 8 l/min 10 Q = 8 l/min
N
Q N = 3,2 l/min
MA x x x 0 0 Q N = 3,2 l/min
0 10 20 30 40 50 60 70 80 90 100 I [%] 0 50 100 150 200 250 300 350 p [bar]
UL / CSA x x
1 The certificates can be found on www.wandfluh.com

Q = f (p) Leakage volume flow characteristics
L
GENERAL SPECIFICATIONS ACTUATION Q [cm /min]
3
Designation Proportional 2-way flow control valve Actuation Proportional solenoid, wet pin push 100 K0965
Construction Direct operated type, pressure tight 80
Mounting Screw-in cartridge construction Execution MKY45 / 18x60 (data sheet 1.1-183) 60
Nominal size M22 x 1,5 according to ISO 7789 MKU45 / 18x60 (data sheet 1.1-184) 40
Actuation Ex-protection proportional solenoid Connection Cable gland for cable Ø 6,5…14 mm 20
Ambient temperature Operation as T4 Attention! The UL execution is always supplied without cable 0
-25…+70 °C (L15 / L17) gland 0 50 100 150 200 250 300 350 p [bar]
Weight 1,85 kg
MTTFd 150 years

ACCESSORIES SURFACE TREATMENT
Proportional amplifier Register 1.13 ◆ The cartridge body is gas-nitro-carburised
HYDRAULIC SPECIFICATIONS ELECTRICAL SPECIFICATIONS Flange body / sandwich plate Data sheet 2.6-820 ◆ The armature tube and the slip-on coil are zinc- / nickel-coated
Working pressure p = 350 bar Protection class IP65 / 66 / 67 NG4-Mini
max
Maximum volume flow Q = 28 l/min Relative duty factor 100 % DF Flange body / sandwich plate NG6 Data sheet 2.6-840
max
Minimum volume flow Q = 0,1 l/min Voltage tolerance ± 10 % with regard to nominal voltage Threaded body Data sheet 2.9-205
min
Volume flow direction 1 → 2 Standard nominal 12 VDC, 24 VDC Technical explanations Data sheet 1.0-100
Leakage oil See characteristics voltage Filtration Data sheet 1.0-50
Nominal volume flow Q = 3,2; 8; 16; 25 l/min Limiting current at L15 / 17, 50 °C
N
range 50 °C I = 950 mA (12 VDC)
G
Hysteresis ≤ 7 % at optimal dither signal I = 450 mA (24 VDC)
G
Repeatability ≤ 3 % at optimal dither signal L15 / 17, 70 °C
Fluid Mineral oil, other fluid on request I = 910 mA (12 VDC)
G
Viscosity range 12 mm /s…320 mm /s I = 420 mA (24 VDC) MANUAL OVERRIDE SEALING MATERIAL
2
2
G
Temperature range Operation as T4 Standard nominal 15 W, 17 W HB4,5 as standard NBR or FKM (Viton) as standard, choice in the type code
fluid NBR -25…+70 °C (L15 / L17) power
FKM -20…+70 °C (L15 / L17) Temperature class Nominal power 15 W / 17 W: T1…T4
Contamination Class 18 / 16 / 13 Note! Other electrical specifications see data sheet 1.1-183
efficiency and 1.1-184
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 2.6-634 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 21 21 2.6-634 E
Page 1248