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…ET…
The pilot oil supply is implemented internally from channel P of the main valve. The pilot oil return is implemented internally - via channel T - into the tank. In the subplate, ports X and Y are closed.
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: NG25
- Spool return in the main valve: By means of springs
- Piston symbol: J: 3 spool positions
- Component series: 7X
- 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: 110 V AC/DC
- manual override: N9: with concealed manual override
- Pilot oil flow: ET
- Pilot oil supply: internal
- Pilot oil return: internal
- Switching time adjustment: without
- Electrical connection: DK25L: Mini-change connector, 5-pole
- Throttle insert: B10: Throttle-Ø 1,0 mm Connection P
- Preload valve: without preload valve
- Pressure reducing valve: without Pressure reducing valve
- Seal material: FKM
- AN: Porting pattern according to ANSI B93.9
- Ambient temperature range: -30 ... +50|°C
- Storage temperature range: -20 ... +70|°C
- Hydraulic fluid temperature range: -20 ... +80|°C
