Bosch Rexroth | 4WEH16D7XOF6EW110N9ES2K4-CSA
4WEH16D7X/OF6EW110N9ES2K4 CSA
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The 4WEH16D7X/OF6EW110N9ES2K4 CSA valve is part of the WEH Directional Spool Valves series from Bosch Rexroth and serves as an electro-hydraulic device for hydraulic automation. The main spool is returned by a spring, and the assembly provides two spool positions defined by symbol D in the NG16 size. It withstands a maximum operating pressure of 280 bar on ports P, A, and B and accommodates flow rates up to 300 l/min. Electrical actuation is supplied by a 110 V AC, 50/60 Hz solenoid, enabling direct connection to standard industrial power sources.
A subplate mounting style matches interface ISO 4401-07-07-0-05 for quick installation. Termination is completed through a DIN EN 175301-803 K4 connector, while a concealed manual override allows local shifting when power is absent. Pilot oil is supplied internally, and the return is routed externally with the y port rated for 160 bar. Switching time can be adjusted via discharge control S2 to fine-tune response for circuit requirements.
Technical Specifications
Actuation Type
Electro-Hydraulic
Control Spool Return (main)
Spring
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed
Max Flow
300 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Return Pressure (y)
160 bar
Mounting Interface
ISO 4401-07-07-0-05
Mounting Type
Subplate
Nominal Size
NG16
Pilot Oil Return
External
Pilot Oil Supply
Internal
Spool Positions
2
Spool Symbol
D
Supply Voltage
110 V AC (50/60 Hz)
Switching Time Adjustment
Discharge Control (S2)
1620 Old Apex Road
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