Bosch Rexroth | 4WRTE16E1-125L-4X6EG24TK31A5M
4WRTE16E1-125L-4X/6EG24TK31/A5M
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The 4WRTE16E1-125L-4X/6EG24TK31/A5M directional control valve belongs to the 4WRTE Directional Control Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. External pilot oil supply and internal pilot oil return let the amplifier move the spool without influencing the main circuit flow. The interface follows the ISO 4401-07-07-0-05 pattern, and nominal size 16 provides passage dimensions suited to mid-range flow rates. Electronic control relies on a ±10 V command or feedback signal and operates from 18 VDC to 35 VDC, with 24 VDC as the reference level. Supply stability is ensured when residual ripple does not exceed 2.5 Vpp. Continuous current draw is limited to 1.6 A, while a 2.7 A impulse meets start-up demands, keeping total power below 72 VA.
Hydraulic performance reaches 350 bar on ports P, A, and B, and the external T port tolerates 250 bar, allowing the valve to direct high-pressure flows in presses, die-casting machines, or test rigs. The housing is sealed to IP65, preventing dust ingress and water spray from affecting the on-board electronics during routine wash-downs. Overall weight is 11.2 kg, giving the assembly enough mass for vibration damping yet permitting manual handling during maintenance. These characteristics, combined with the electronic and fluid power limits described earlier, allow the unit to maintain precise directional control while keeping thermal load, electrical consumption, and installation footprint within the scope of typical industrial manifolds.
Technical Specifications
Command/actual Signal
±10 V
Current Consumption Max
1.6 A
Impulse Current
2.7 A
Ip Rating
IP65
Max Operating Pressure (p,a,b)
350 bar
Max Power Consumption
72 VA
Max Pressure Port T (external)
250 bar
Nominal Size
16
Nominal Voltage
24 VDC
Pilot Oil Return
Internal
Pilot Oil Supply
External
Porting Pattern
ISO 4401-07-07-0-05
Residual Ripple Max
2.5 Vpp
Supply Voltage Max
35 VDC
Supply Voltage Min
18 VDC
Weight
11.2 kg
1620 Old Apex Road
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