| Media: | Oil |
|---|---|
| Temperature: | Ordinary Temperature |
| Actuator: | Pneumatic |
|
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4/3-, 4/2- or 3/2-way version
Porting pattern according to ISO 4401-03-02-0-05 (with
or without locating hole) and NFPA T3.5.1 R2-2002 D03
High-power solenoid, optionally rotatable by 90°
Electrical connection as individual or central connection
Manual override, optional
Spool position monitoring, optional
CE conformity according to the Low-Voltage Directive
2014/35/EU for electrical voltages > 50 VAC or
> 75 VDC
Solenoid coil as approved component with UR marking
according to UL 906, edition 1982, optional
Approval according to C22.2 No. 139-1982, optional
The directional valves of type WE are solenoid-actuated directional spool valves that can be used as electro-magnetic component. They control start, stop and direction of a flow. The directional valves basically consist of the housing (1), one or two electronic solenoids (2), the control spool (3), and the return springs (4). In the de-energized condition, the control spool (3) is held in the central position or in the initial position by the return springs (4) (except for version "O"). If the wet-pin electronic solenoid (2) is supplied with power, the control spool (3) moves out of its rest position into the required end position. In this way, the required direction of flow according to the selected symbol is released. After the electronic solenoid (2) has been switched off, the control spool (3) is pushed back into its central position or into its initial position (except for valves with "OF" detent and valves without type "O" spring). A manual override (5) allows for the manual switching of the valve without solenoid energization. For unobjectionable functioning, the hydraulic system has to be bled properly. Without spring return "O" (only possible with symbols A, C and D) This version is a directional valve with two spool positions and two electronic solenoids without detent. The valve without spring return at the control spool (3) has no defined basic position in the de-energized condition.
|
Size |
6 | ||
|
Weight |
Valve with one solenoid |
kg |
1.45 |
|
Valve with two solenoids |
kg |
1.95 | |
|
Installation position |
any | ||
|
Ambient temperature range |
NBR seals |
°C |
-20 … +50 |
|
FKM seals |
°C |
-15 … +50 | |
|
Version for HFC hydraulic fluid |
°C |
-20 … +50 | |
|
Low-temperature version 1) |
°C |
-40 … +50 | |
|
Storage temperature range |
°C |
+5 … +40 | |
|
MTTFD values according to EN ISO 13849 2) |
Years |
300 | |
| 1) | For the use at low temperatures, see Project planning information |
| 2) | For further details, see data sheet 08012 |
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| Quantity(pieces) | 1 - 5 | >5 |
| Lead time (days) | 10 | To be negotiated |
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