R978919412 Bosch Rexroth 4WEH16H7X/6EW110N9TK4=CSA Directional valve

Code: R978919412

Directional spool valve Series 4WEH

The 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…T…

The pilot oil supply is implemented externally - via channel X - from a separate pressure supply. The pilot oil return is implemented internally - via channel T - into the tank. In the subplate, port Y is 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: NG32
Spool return in the main valve: By means of springs
Piston symbol: G: 3 spool positions
Component series: 6X
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: T
Pilot oil supply: external
Pilot oil return: internal
Switching time adjustment: without
Electrical connection: DAL: Without mating connector; Thread connection 1/2“-14 NPT
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