Bosch Rexroth | 4WRZE16W6-100-7X6EG24N9K31A1V
4WRZE16W6-100-7X/6EG24N9K31/A1V
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The 4WRZE16W6-100-7X/6EG24N9K31/A1V proportional directional valve belongs to the WRZ Proportional Directional Valves series produced by Bosch Rexroth for hydraulic automation tasks that require precise flow metering and rapid directional changes. It passes a nominal flow of 100 l/min at a pressure drop of 10 bar, and it tolerates a main line pressure of 350 bar to suit high-pressure circuits. External pilot oil supply and drain keep spool control independent of load fluctuations, while a command value input of ±10 V provides an analog interface for motion controllers. The solenoid windings draw from a 24 V DC source; their 2 Ω resistance at 20 °C works with a maximum current of 2.5 A to generate the required magnetic force. Continuous operation is possible because the duty cycle is 100%. A concealed manual override permits local actuation during commissioning without exposing the mechanism to accidental activation.
The valve operates between −20 °C and +50 °C ambient temperature so it can be mounted in unconditioned machine halls. Connection is made through a DIN EN 175201-804 plug, and the housing carries an IP65 rating to block dust and low-pressure water jets. Circuit designers can route tank return externally up to 250 bar or internally when back-pressure remains below 30 bar, allowing flexibility in manifold layouts. FKM seals resist common hydraulic oils and elevated temperatures, extending service life. The unit’s external pilot arrangement also limits heat transfer to the control stage, and the protected electrical interface maintains signal integrity under industrial vibration.
Technical Specifications
Ambient Temperature Max
+50 °C
Ambient Temperature Min
-20 °C
Coil Resistance (20 °c)
2 Ω
Command Value Input
±10 V
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Manual Override
Concealed
Max Current (valve)
2.5 A
Nominal Flow (Δp = 10 Bar)
100 l/min
Operating Pressure (main)
350 bar
Pilot Oil Supply/drain
External
Return Pressure Port T (external)
250 bar
Return Pressure Port T (internal)
30 bar
Seals
FKM
Supply Voltage
24 V DC
Type Of Protection
IP65
1620 Old Apex Road
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