Bosch Rexroth | 4WRZE16E100-7X6EG24N9ETK31A1V
4WRZE16E100-7X/6EG24N9ETK31/A1V
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The 4WRZE16E100-7X/6EG24N9ETK31/A1V valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and modulates hydraulic flow and direction in automated power units. The valve is built in size 16, providing a nominal flow of 100 l/min at a 10 bar pressure drop so that actuators receive consistent volume when commands change. A ±10 V command signal input lets servo amplifiers issue precise spool positions, while the internal electronics run on a 24 V DC supply to separate signal control from power stages. The ISO 4401-07-06-0-94 mounting interface matches common subplates, which simplifies installation in standard manifolds. The main stage withstands 350 bar so systems can operate at high working pressure, and the return port tolerates up to 30 bar internally to handle back-pressure in closed circuits. Pilot operation is handled by an internal ET supply and drain path; the pilot valve size 6 meters 5.5 l/min from step 0 to 100 percent to shift the main spool without external plumbing.
Protection and service features address long-term reliability. An IP65 rating guards the coil and electronics against dust ingress and water jets during machine wash-down, and the electrical connection uses the DIN EN 175201-804 interface so wiring harnesses remain uniform across the installation. The coil endures temperatures up to 150 °C, allowing operation near hot manifolds without premature insulation failure, while FKM seals resist mineral oils and elevated temperature to limit leakage. A concealed manual override lets technicians move the spool during commissioning without disturbing factory settings. The assembly weighs 13.6 kg in this size, which suits rigid mounting while still permitting single-person handling. These characteristics combine to provide a proportional valve that integrates into hydraulic automation with minimal external components and dependable environmental resistance.
Technical Specifications
Command Signal Input
±10 V
Degree Of Protection
IP65
Electrical Connection
DIN EN 175201-804
Main Valve Max Pressure
350 bar
Manual Override
Concealed
Max Coil Temperature
150 °C
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (Δp=10 Bar)
100 l/min
Pilot Oil Flow @ Step 0→100%
5.5 l/min
Pilot Oil Supply/drain
Internal (ET)
Pilot Valve Size
6
Return Port T Max Pressure (internal)
30 bar
Seal Material
FKM
Supply Voltage (electronics)
24 V DC
Valve Size
16
Weight (wrze Size 16)
13.6 kg
1620 Old Apex Road
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