Bosch Rexroth | 4WRLE35X1000M-3XG24K0A1M-812
4WRLE35X1000M-3X/G24K0/A1M-812
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The 4WRLE35X1000M-3X/G24K0/A1M-812 valve belongs to the 4WRL Solenoid Valves series and is produced by Bosch Rexroth for directional and flow control in hydraulic automation systems. It is sized NG35, enabling high-volume circuits, and delivers a rated flow of 1000 l/min for steady operation. For short-duration peaks the housing accommodates a maximum flow of 4700 l/min. The integrated electronics accept a ±10 V command input in the A1 configuration, and a ±10 V actual value output mirrors spool position for closed-loop tasks. A 24 V DC supply voltage energizes the proportional solenoid, while a pilot oil volume of 33.2 cm³ is required to move the spool from zero to full stroke. Stable actuation is maintained when the pilot line reaches at least 10 bar, and main ports P, A, and B withstand up to 350 bar when an external pilot supply is used.
With internal piloting selected, the allowable pressure at ports P, A, and B is limited to 280 bar, and port X is also rated for 280 bar, whereas return ports T and Y can handle 250 bar. System cleanliness must not exceed class 18/16/13 per ISO 4406 so that spool clearance surfaces remain free of abrasive particles. The solenoid surface may reach 120 °C during continuous duty, a factor to consider for component spacing and wire insulation. Operation remains reliable at ambient relative humidity up to 95%, supporting installation in damp production areas. The unit weighs 80 kg, requiring secure mounting points and lifting equipment during service. These limits collectively define safe operating boundaries and help integrators match the valve to pumps, actuators, and reservoir conditions in demanding hydraulic machinery.
Technical Specifications
Actual Value Output
±10 V
Cleanliness Class (iso 4406)
18/16/13
Command Input
±10 V (A1)
Max Pressure P/a/b (external Pilot)
350 bar
Max Pressure P/a/b (internal Pilot)
280 bar
Max Pressure Port X
280 bar
Max Pressure Ports T/y
250 bar
Max Relative Humidity
95%
Max Solenoid Surface Temp
120 °C
Maximum Flow
4700 l/min
Minimum Pilot Pressure
10 bar
Pilot Oil Volume (0-100%)
33.2 cm³
Rated Flow
1000 l/min
Size
NG35
Supply Voltage
24 V DC
Weight
80 kg
1620 Old Apex Road
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