Directional spool valve Series 4WEHThe valve type WEH is a directional spool valve with electro-hydraulic actuation. They control the start, stop and direction of a flow.
Pilot oil supply
Type 4WEH…
The pilot oil supply is implemented externally - via channel X - from a separate pressure supply. The pilot oil return is implemented externally - via channel Y - into the tank.
Features
- für Plattenaufbau
- Lage der Anschlüsse nach ISO 4401 und NFPA T3.5.1 R2
- Anschlussplatten nach Datenblättern RD 45054 bis RD 45060– Induktive Stellungsschalter und Näherungssensoren (kontakt- und berührungslos), siehe RD 24830
Technical Details
- Type of actuation: Electro-hydraulic
- Working pressure max.: 280|bar
- 4-way version
- Size: NG10
- Spool return in the main valve: By means of springs
- Piston symbol: J: 3 spool positions
- Component series: 4X
- Control spool return in the pilot control valve with 2 spool positions and 2 solenoids: No code: with spring return
- Pilot control valve: 6E: High-power valve (RD 23178)
- Voltage: 230 V AC/DC
- manual override: N9: with concealed manual override
- Pilot oil flow: No code
- Pilot oil supply: external
- Pilot oil return: external
- Switching time adjustment: S2: as discharge control
- Electrical connection: K4: Without mating connector; connector DIN EN 175301-803
- Throttle insert: without
- Preload valve: without preload valve
- Pressure reducing valve: without Pressure reducing valve
- Seal material: NBR
- Ambient temperature range: -30 ... +50|°C
- Storage temperature range: -20 ... +70|°C
- Hydraulic fluid temperature range: -30 ... +80|°C
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