Bosch Rexroth | 4WRL16E1-180S-3XG24Z4M-755
4WRL16E1-180S-3X/G24Z4/M-755
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The 4WRL16E1-180S-3X/G24Z4/M-755 valve is manufactured by Bosch Rexroth for the 4WRL Solenoid Valves series and serves to meter hydraulic flow and pressure in automated machinery. The valve is built in size NG16, giving it a capacity suited to medium lines, and it handles up to 450 l/min to drive fast actuator motion. It bolts directly to manifolds through the ISO 4401-07-06-0-94 interface, which simplifies substitution in standardized blocks. Main ports P, A, and B withstand 350 bar so the unit fits high-pressure circuits, while return and auxiliary ports T, X, and Y are limited to 250 bar to protect pilot and tank paths. The solenoid draws as much as 2.7 A from an external 24 V DC amplifier to achieve full magnetic force, and a 100 % cyclic duration factor permits continuous energizing without thermal overload. A weight of 10 kg helps the assembly stay rigid on the manifold under dynamic load changes.
The control stage uses external pilot oil on both the x and y lines, which lets designers tap clean supply pressure and avoid contaminating internal passages. Stable spool movement is ensured because the pilot circuit must remain between 10 bar and 250 bar; the lower threshold guarantees actuation, and the upper value matches the pilot section’s mechanical rating. An IP65 protection class allows the valve to operate in wet industrial areas when its connectors are sealed. The power coil terminates with a DIN 43650/ISO 4400 two-pole plus earth plug for straightforward wiring, and the integrated position transducer uses a four-pin Pg7 connector to relay feedback to the amplifier. NBR seals are used so the valve remains compatible with standard mineral hydraulic oils and maintains leakage control over temperature shifts. Together, these characteristics support closed-loop position or force control tasks in demanding hydraulic automation.
Technical Specifications
Cyclic Duration Factor
100%
Degree Of Protection
IP65
Max Pilot Pressure
250 bar
Max Pressure (t, X, Y)
250 bar
Max Solenoid Current
2.7 A
Max Working Pressure (p, A, B)
350 bar
Maximum Flow (qmax)
450 l/min
Min Pilot Pressure
10 bar
Mounting Interface
ISO 4401-07-06-0-94
Pilot Oil Version
x External, y External
Position Transducer Connector
Pg7 (4P)
Power Supply
24 V DC (External Amplifier)
Seal Material
NBR
Size
NG16
Solenoid Connector
DIN 43650/ISO 4400 (2P+PE)
Weight
10 kg
1620 Old Apex Road
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