Bosch Rexroth | 4WRL16EZ180S-3XG24Z4M-763
4WRL16EZ180S-3X/G24Z4/M-763
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The 4WRL16EZ180S-3X/G24Z4/M-763 valve belongs to the 4WRL Solenoid Valves series from Bosch Rexroth and modulates hydraulic flow and pressure in automated circuits. Its solenoid operates on a 24 V DC supply so that standard machine power rails can drive the coil, and a maximum coil demand of 2.7 A defines the rating for the amplifier channel. Electrical termination is handled through a DIN 43560-AM2 interface, while the threaded M16 × 1.5 (2P + PE) connector secures the cable and provides a protective earth. An IP65 enclosure rating shields internal components from dust and low-pressure water jets, supporting use on exposed manifolds. The hydraulic fluid must meet ISO 4406 cleanliness code 18/16/13 to keep the precision spool free of contamination. Acceptable fluid temperature spans –20 °C to +80 °C, and NBR seals sustain tightness across this range when the valve is filled with standard mineral oil.
The main stage carries up to 450 l/min so it can supply large cylinders or motors, while an internal pilot path of 12 l/min is sufficient for fast spool actuation without oversizing the pilot pump. Working ports p, a, and b tolerate pressures to 350 bar, allowing the assembly to control high-force actuators; return and pilot ports t, x, and y are limited to 250 bar to safeguard internal galleries. The pilot supply must stay between 10 bar and 250 bar to maintain consistent positioning force on the main control spool. Installation follows the ISO 4401-07-06-0-94 mounting pattern so the unit bolts directly to NG16 subplates used throughout industrial hydraulic systems.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Electrical Connection
DIN 43560-AM2
Fluid Temperature Range
–20 to +80 °C
Max Flow (qmax)
450 l/min
Max Solenoid Current
2.7 A
Maximum Pilot Pressure
250 bar
Maximum Pressure (p/a/b)
350 bar
Maximum Pressure (t/x/y)
250 bar
Minimum Pilot Pressure
10 bar
Mounting Pattern
ISO 4401-07-06-0-94
Pilot Valve Flow (qn)
12 l/min
Protection Class
IP65
Seal Material
NBR
Solenoid Connector
M16x1.5 (2P+PE)
Supply Voltage
24 V DC
1620 Old Apex Road
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