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Proportional spool valve
Proportional spool valve
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation Proportional spool valve Working pressure p = 350 bar
max
Construction Pilot operated Tank pressure p = 160 bar (type of pilot operation
T max
Mounting Flange construction ae and xi)
Nominal size NG10 according to ISO 4401-05 p T max = 100 bar (type of pilot operation ti
Actuation Ex-protection proportional solenoid and xe)
Ambient temperature Operation as T6 Pilot pressure p = 25...350 bar
v
-25…+40 °C (L9) Connection X:
Operation as T4 p = 25...200 bar
v
-25…+90 °C (L9) Pressure pilot oil drain Minimum 25 bar lower than p v
-25…+70 °C (L15 / L17) Maximum volume flow Q = 200 l/min, see characteristics
max
Weight 5,2 kg (1 solenoid) Leakage oil See characteristics
7,0 kg (2 solenoids) Fluid Mineral oil, other fluid on request
MTTFd 150 years Viscosity range 12 mm /s…320 mm /s
2
2
Temperature range Operation as T6
fluid NBR -25…+40 °C (L9)
FKM -20…+40 °C (L9)
Operation as T4
NBR -25…+70 °C (L9 or L15 / L17)
FKM -20…+70 °C (L9 or L15 / L17)
Contamination Class 18 / 16 / 13
efficiency
Filtration Required filtration grade ß 6…10 ≥ 75,
see data sheet 1.0-50
Attention! With the execution L9 for ambient temperatures up to 90
°C (L9/90 °C), Q is not reached
N
ELECTRICAL SPECIFICATIONS MANUAL OVERRIDE
Protection class IP65 / 66 / 67 HB4,5 as standard
Relative duty factor 100 % DF Optionally: HN (K)
Voltage tolerance ± 10 % with regard to nominal voltage → see data sheet 1.1-311
Standard nominal 12 VDC, 24 VDC
voltage
Limiting current at… °C L9, 40 °C SURFACE TREATMENT
I = 625 mA (12 VDC) ◆ The main valve body, the distance plate, the screw plugs, the
G
I = 305 mA (24 VDC) slip-on coil and the armature tube are zinc-nickel coated
G
L15 / 17, 50 °C ◆ The pilot valve body is coated with a two component paint
I = 950 mA (12 VDC)
G
I = 450 mA (24 VDC)
G
L15 / 17, 70 °C
I = 910 mA (12 VDC) SEALING MATERIAL
G
I = 420 mA (24 VDC) NBR or FKM (Viton) as standard, choice in the type code
G
Standard nominal 9 W, 15 W, 17 W
power
Temperature class Nominal power 9 W: T1…T6
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 3/5 Edition: 21 18 1.10-3520 E
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