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4/2 and 4/3 proportional directional valves, direct operated, wit electrical position feedback, without integrated electronics (OBE) 4WRE
4/2 and 4/3 proportional directional valves, direct operated, wit electrical position feedback, without integrated electronics (OBE) 4WRE
-
Size 6
-
Component series 2X
-
Maximum operating pressure 315 bar
-
Maximum flow 80 l/min
Type |
4WRE | ||
Size |
6 | ||
Installation position |
any, preferably horizontal | ||
Ambient temperature range |
°C |
-20 … +70 | |
Storage temperature range |
°C |
-20 … +80 | |
Weight |
kg |
2.2 | |
MTTFd values according to EN ISO 13849 1) |
y |
150 |
hydraulic
Size |
6 | |||
Maximum operating pressure |
bar |
315 | ||
Maximum operating pressure |
Port P |
bar |
315 | |
Port T |
bar |
210 | ||
Port A |
bar |
315 | ||
Port B |
bar |
315 | ||
Maximum flow |
l/min |
80 | ||
Nominal flow |
l/min |
4 8 16 32 |
||
Hydraulic fluid |
see table below | |||
Hydraulic fluid temperature range |
°C |
-20 … +80 | ||
preferably |
°C |
+40 … +50 | ||
Viscosity range |
mm²/s |
20 … 380 | ||
preferably |
mm²/s |
30 … 46 | ||
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) |
Class 20/18/15 according to ISO 4406 (c) | |||
Hysteresis |
% |
≤ 0.1 | ||
Range of inversion |
% |
≤ 0.05 | ||
Response sensitivity |
% |
≤ 0.05 | ||
Zero shift upon change of: |
Hydraulic fluid temperature |
%/10 K |
≤ 0.15 | |
Operating pressure |
%/100 bar |
≤ 0.1 |
Hydraulic fluid |
Classification |
Suitable sealing materials |
Standards |
Mineral oils and related hydrocarbons |
HL, HLP |
NBR / FKM |
DIN 51524 |
Flame-resistant - containing water |
HFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620) |
NBR |
ISO 12922 |
Important information on hydraulic fluids: For more information and data on the use of other hydraulic fluids please contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature.
Flame-resistant - containing water: |
electrical
Size |
6 | ||
Voltage type |
Direct voltage | ||
Maximum current consumption |
of the amplifier |
A |
2 |
of the amplifier (impulse current) |
A |
3 | |
Solenoid coil resistance |
Cold value at 20°C |
Ω |
2.65 |
Maximum hot value |
Ω |
4.05 | |
Actuated time |
% |
100 | |
Maximum coil temperature 1) |
°C |
150 | |
Protection class according to DIN EN 60529 |
IP65 with plug-in connectors mounted and locked | ||
Power supply |
V |
24 | |
Supply voltage range |
V |
19,4 … 35 |