Bosch Rexroth | 4WRP6E28S-1XG24Z4M
4WRP6E28S-1X/G24Z4/M
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The 4WRP6E28S-1X/G24Z4/M valve belongs to the 4WRP Solenoid Valves series and is manufactured by Bosch Rexroth. Intended for hydraulic automation, it meters flow to actuators while maintaining pressure stability. A 24 V DC power supply energizes the coil, whose 3 Ω resistance at 20 °C sets the inrush current. The driver may be limited to a maximum solenoid current of 2.7 A, and the electrical load peaks at 40 VA, so cabinet power budgeting is straightforward. Continuous energization is possible because the cyclic duration factor is 100 %. The spool follows a progressive (S) flow characteristic, giving fine control around the neutral region. At a differential of 5 bar per notch, the valve passes a nominal flow of 28 l/min. Its NG6 size suits compact manifolds, and a working pressure of 315 bar on ports A and B accommodates high-pressure circuits.
Environmental protection is rated IP65 when the DIN 43650 (M16 × 1.5) connector is installed, shielding the enclosure from dust and water jets. Mounting follows the ISO 4401-03-02-0-94 interface, allowing direct installation on standardized subplates. Sealing is handled by NBR material, supporting common hydraulic oils. An AC/AC LVDT position transducer tracks spool movement for closed-loop control. The return line tolerates up to 250 bar, ensuring safe tank port operation in restrictive circuits. A mass of 2.8 kg permits manual handling during assembly without lifting equipment.
Technical Specifications
Coil Resistance (r20)
3 Ω
Cyclic Duration Factor
100%
Degree Of Protection
IP65
Flow Characteristic
Progressive (S)
Max Power Consumption
40 VA
Max Pressure (t)
250 bar
Max Solenoid Current
2.7 A
Max Working Pressure (p, A, B)
315 bar
Mounting Interface
ISO 4401-03-02-0-94
Nominal Flow (Δp 5 Bar/notch)
28 l/min
Position Transducer Type
LVDT (AC/AC)
Power Supply
24 V DC
Seal Material
NBR
Size
NG6
Solenoid Connector
DIN 43650 (M16 x 1.5)
Weight
2.8 kg
1620 Old Apex Road
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