Bosch Rexroth | 4WRDE16V125L-5X6L24TK9WG152MR
4WRDE16V125L-5X/6L24TK9/WG152MR
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The 4WRDE16V125L-5X/6L24TK9/WG152MR valve is produced by Bosch Rexroth in the 4WRDE Directional Control Valves series for closed-loop hydraulic automation tasks. It belongs to size 16, giving a mounting face that matches medium-flow manifolds. The ISO 4401-07-07-0-05 porting pattern aligns the body with standardized subplates, while 20 mm port bores permit low-restriction flow paths. A maximum flow rate of 460 l/min allows the valve to command large actuators, and a pilot stage limited to 15.6 l/min minimizes control circuit demand. During a full command step from 0 to 100 %, the pilot stage displaces 2.9 cm³ of oil, ensuring precise spool positioning. A built-in dither frequency of 400 Hz reduces static friction and improves hysteresis. Electronics are powered from a nominal 24 V DC supply and remain operational between 18 V DC and 36 V DC to tolerate line variation.
The enclosure reaches an IP65 rating when the specified connector is fitted, so dust and low-pressure water jets do not harm internal components. Service temperature spans from −20 °C to 60 °C, allowing use in cold starts and warm machine housings. The valve tolerates up to 95 % relative humidity without condensation, preventing moisture damage to electronic modules. Resistance to vibration of 10 g lets it remain stable on frames with high dynamic loads, and a weight of 10.5 kg provides mass for secure gasket seating without exceeding manual handling limits. These environmental attributes protect the hydraulic function under demanding operating conditions.
Technical Specifications
Dither Frequency
400 Hz
Ingress Protection
IP65 (With Connector)
Max Ambient Temperature
60 °C
Max Flow
460 l/min
Max Pilot Oil Flow
15.6 l/min
Max Relative Humidity
95% (No Condensation)
Min Ambient Temperature
–20 °C
Pilot Oil Volume (0–100%)
2.9 cm³
Port Bore Diameter (a/b/p/t)
20 mm
Porting Pattern
ISO 4401-07-07-0-05
Size
16
Supply Voltage
24 VDC
Supply Voltage Max
36 VDC
Supply Voltage Min
18 VDC
Vibration Resistance
10 g
Weight
10.5 kg
1620 Old Apex Road
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