Bosch Rexroth | 4WRZ16E100-7X6EG24N9ETK4M
4WRZ16E100-7X/6EG24N9ETK4/M
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The 4WRZ16E100-7X/6EG24N9ETK4/M valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series. It controls actuator flow in hydraulic automation systems. The valve uses size 16 cavities and withstands a maximum operating pressure of 350 bar. At a pressure drop of 10 bar it delivers a nominal flow of 100 l/min. The interface follows the ISO 4401-07-06-0-94 port pattern for standardized subplates. Electrical actuation is handled by a 24 V DC solenoid linked through a DIN EN 175301-803 plug, while the pilot stage corresponds to size 6 for compact control. The enclosure attains IP65 protection so installed electronics resist dust and low-pressure water jets.
The valve accepts mineral oil of the HL or HLP classes defined by DIN 51524 as its working fluid. Flow accuracy is aided by hysteresis not exceeding 6 %, and a concealed manual override enables spool shifting during commissioning without exposing moving parts. The pilot stage draws and returns oil internally, so both supply and drain remain within the main body. Port T tolerates internal drain pressures up to 30 bar without performance loss. NBR seals are fitted to contain fluid and protect the spool cavity. Total mass for subplate mounting is 13.4 kg, a value to consider when sizing manifold supports.
Technical Specifications
Electrical Connection
DIN EN 175301-803 Plug
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Hysteresis
≤ 6%
Manual Override
Concealed
Max Operating Pressure
350 bar
Nominal Flow (Δp 10 Bar)
100 l/min
Pilot Supply/drain
Internal Supply, Internal Drain
Pilot Valve Size
6
Port Pattern
ISO 4401-07-06-0-94
Port T Pressure (internal Drain)
30 bar
Protection Class
IP65
Seals
NBR
Size
16
Solenoid Voltage
24 V DC
Weight (subplate Mounting)
13.4 kg
1620 Old Apex Road
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