Bosch Rexroth | 4WRZE10W6-50-7X6EG24N9ETK31F1D3M
4WRZE10W6-50-7X/6EG24N9ETK31/F1D3M
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The 4WRZE10W6-50-7X/6EG24N9ETK31/F1D3M valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series. Designed to modulate actuator movement in hydraulic automation, it accepts a 4 to 20 mA command signal so the controller can translate process variables directly into spool position. A supply voltage of 24 V DC powers the integrated electronics, while the DIN EN 175201-804 electrical connector provides standard interface for quick wiring in control cabinets. The W6 spool symbol defines the flow paths selected by the proportional magnets, and the nominal size 10 body balances compact dimensions with ample channel area. Installation follows the ISO 4401-05-05-0-94 mounting interface, allowing the valve to mate with common subplates without adaptation. When local intervention is required, a concealed manual override permits manual shifting without exposing moving parts, and the internal pilot supply and drain layout eliminates the need for external pilot lines.
In service, the valve passes 50 l/min at a 10 bar differential, giving predictable circuit response for medium flow systems. The main ports withstand operating pressures up to 315 bar, and an internal drain return pressure limit of 30 bar keeps pilot stages within stable limits. Maximum hysteresis of 6 % ensures repeatable positioning under varying loads, aided by NBR seals that resist mineral oil while keeping leakage low. An IP65 enclosure rating blocks dust and low-pressure water jets so the electronics remain reliable on the machine frame. The coil is rated for temperatures up to 150 °C, supporting continuous duty near hot hydraulic reservoirs, and the overall weight of 8.0 kg provides sufficient mass to damp vibration during rapid spool transitions.
Technical Specifications
Command Signal
4 to 20 mA
Electrical Connection
DIN EN 175201-804
Hysteresis (max)
6%
Ingress Protection
IP65
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Operating Pressure (main)
315 bar
Mounting Interface
ISO 4401-05-05-0-94
Nominal Flow (10 Bar Δp)
50 l/min
Nominal Size
10
Pilot Supply/drain
Internal/Internal
Return Pressure (t, Internal Drain)
30 bar
Seals
NBR
Spool Symbol
W6
Supply Voltage
24 V DC
Valve Weight
8.0 kg
1620 Old Apex Road
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