Page 392 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve Proportional spool valve

TYPE CODE HYDRAULIC SPECIFICATIONS STANDARDS
WD B F A06 - - - / / - K9 # 1 Working pressure p = 350 bar Explosion protection Directive 2014 / 34 / EU (ATEX)
max
Spool valve, direct operated Tank pressure p = 160 bar Flameproof enclosure EN / IEC / UL 60079-1, 31
T max
Proportional, explosion proof execution Ex d Maximum volume flow Q max = 30 l/min, see characteristics Cable entry EN 60079-0, 1, 7, 15, 31
Nominal volume flow Q = 6 l/min, 12 l/min, 20 l/min (L15 / L17) Mounting interface ISO 4401-03
N
Flange construction Q = 3 l/min, 7 l/min, 14 l/min (L9 ACB-S) Protection class EN 60 529
N
Q = 5 l/min, 10 l/min, 16 l/min (L9 Contamination efficiency ISO 4406
International standard interface ISO, NG6 N
ADB-V)
Designation of symbols acc. to table Leakage oil On request
Hysteresis L15 / 70°C: ≤ 10 % at optimal dither
Nominal volume flow Q L15 / L17 L9 ACB-S L9 ADB-V
N signal
6 l/min 6 3 l/min 3 5 l/min 5 L9 / 40°C: ≤ 12 % at optimal dither signal
12 l/min 12 7 l/min 7 10 l/min 10 SURFACE TREATMENT
20 l/min 20 14 l/min 14 16 l/min 16 L9 / 90°C: ≤ 14 % at optimal dither signal
◆ The valve body, the cover and the socket head screws are made
Fluid Mineral oil, other fluid on request
Nominal voltage U N 12 VDC G12 2 2 of stainless steel
24 VDC G24 Viscosity range 12 mm /s…320 mm /s ◆ The slip-on coil and the armature tube are zinc nickel coated
Temperature range Operation as T6
Ambient temperature up to: fluid NBR -25…+40 °C (L9)
Nominal power P N 9 W L9 40 °C or 90 °C FKM -20…+40 °C (L9)
15 W L15 70 °C Operation as T4
17 W L17 70 °C (only UL / CSA)
NBR -25…+70 °C (L9 or L15 / L17) SEALING MATERIAL
Certification ATEX, IECEx, CCC, EAC FKM -20…+70 °C (L9 or L15 / L17) NBR or FKM (Viton) as standard, choice in the type code
Australia AU UL / CSA UL Contamination Class 18 / 16 / 13
MA MA
efficiency
Sealing material NBR Filtration Required filtration grade ß 6…10 ≥ 75,
FKM (Viton) D1 see data sheet 1.0-50
Amplifier M248
Attention! With the execution L9 for ambient temperatures up to 90
Stainless °C (L9/90 °C), Q is not reached
N
Design index (subject to change)
1.10-88S

GENERAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS
Designation Proportional spool valve Protection class IP65 / 66 / 67
Construction Direct operated Relative duty factor 100 % DF PERFORMANCE SPECIFICATIONS
2
Mounting Flange construction Voltage tolerance ± 10 % with regard to nominal voltage Oil viscosity u = 30 mm /s
Nominal size NG6 according to ISO 4401-03 Standard nominal 12 VDC, 24 VDC Q = f (p) Volume flow pressure characteristics Q = f (p) Volume flow pressure characteristics
Actuation Ex-protection proportional solenoid voltage I = I G I = I G
Ambient temperature Operation as T6 Limiting current at… °C L15 / L17 / 70 °C: Measured at 50 °C Measured at 50 °C
-25…+40 °C (L9) I = 445 mA (U = 24VDC) ACB-S, AC1-S, CB2-S ACB-S, AC1-S, CB2-S
G
N
Operation as T4 I = 890 mA (U = 12VDC) Execution L15 / L17 Execution L9
N
G
-25…+90 °C (L9) L9 / 40 °C: Q [l/min] Q [l/min]
-25…+70 °C (L15 / L17) I = 305 mA (U = 24VDC) 30 K4223 30 K4224
G
N
Weight 3,1 kg (1 solenoid) I = 610 mA (U = 12VDC) 25 Q N = 20 l/min 25
G
N
4,9 kg (2 solenoids) L9 / 90 °C: 20 20 Q N = 14 l/min
MTTFd 150 years I = 265 mA (U = 24VDC) 15 Q N = 12 l/min 15
N
G
I = 530 mA (U = 12VDC) 10 10 Q N = 7 l/min
N
G
Standard nominal 9 W, 15 W, 17 W 5 Q N = 6 l/min 5 Q N = 3 l/min
power 0 p [bar] 0 p [bar]
Temperature class Nominal power 9 W: T1…T6 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350
Nominal power 15 W / 17 W: T1…T4
Note! Other electrical specifications see data sheet 1.1-183
and 1.1-184
www.wandfluh.com Illustrations are not binding Data subject to change 2/6 Edition: 21 18 1.10-88S E www.wandfluh.com Illustrations are not binding Data subject to change 3/6 Edition: 21 18 1.10-88S E
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