Bosch Rexroth | 4WRLE27Q4-430M-3XG24ETK0A1M
4WRLE27Q4-430M-3X/G24ETK0/A1M
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The 4WRLE27Q4-430M-3X/G24ETK0/A1M valve is produced by Bosch Rexroth for the 4WRL Solenoid Valves series and meters hydraulic flow in automated motion circuits. Nominal size 27 defines the spool and body dimensions suitable for high capacity manifolds. The porting pattern follows ISO 4401-08-08-0-05 so the unit can bolt directly onto standardized subplates. Each working port p, A, B, and T is cut to 32 mm to minimize pressure loss at high volume conditions. A maximum flow of 1850 l/min supports rapid actuator speeds, while a rated flow of 430 l/min at a 5 bar differential delivers stable proportional control during normal machine cycles. Pilot port X tolerates pressures up to 280 bar to accommodate high system supply, and return ports t and Y withstand 250 bar to ensure safe back-pressure handling. The valve weighs 21 kg, which must be considered when selecting mounting hardware.
Electrical control features are designed for compatibility with standard motion controllers. A supply voltage of 24 V DC powers the solenoid and onboard electronics. The coil accepts a ±10 V command signal so analog outputs from servo amplifiers can drive spool position. An input impedance of 100 kΩ imposes only a light load on the driving card, preserving signal integrity. Power draw does not exceed 40 VA, allowing compact power supplies to operate the valve. Continuous energization is permitted because the relative duty cycle is 100%. The enclosure carries an IP65 rating, giving dust-tight sealing and protection against water jets in factory environments. Hydraulic fluid must meet ISO 4406 class 18/16/13 cleanliness to maintain spool accuracy and lifespan, and a mean time to dangerous failure of 75 years contributes to high overall machine reliability.
Technical Specifications
Command Value Input
±10 V
Fluid Cleanliness Class
ISO 4406 18/16/13
Input Impedance
100 kΩ
Max Power Consumption
40 VA
Max Pressure (port X)
280 bar
Max Pressure (t, Y)
250 bar
Maximum Flow
1850 l/min
Mttfd
75 Years
Nominal Size
27
Port Diameter (p, A, B, T)
32 mm
Porting Pattern
ISO 4401-08-08-0-05
Protection Class
IP65
Rated Flow (Δp=5 Bar)
430 l/min
Relative Duty Cycle
100%
Supply Voltage
24 V DC
Weight
21 kg
1620 Old Apex Road
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