Bosch Rexroth | 4WRTE16V125L-4X6EG24TK31A1M
4WRTE16V125L-4X/6EG24TK31/A1M
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The 4WRTE16V125L-4X/6EG24TK31/A1M is manufactured by Bosch Rexroth for the 4WRTE Directional Control Valves series and is applied to meter flow and direct pressure in hydraulic automation loops. Its NG 16 size establishes the installation envelope and sets a flow range appropriate for mid-frame actuators. A porting pattern of ISO 4401-07-07-0-05 matches common sub-plates so the valve drops into existing manifolds without adapter blocks. The recommended maximum flow of 460 l/min supports rapid cylinder movement, while a maximum operating pressure of 350 bar lets the unit handle high-load clamping and forming tasks. External pilot-oil supply keeps the control stage free from main-line pressure spikes, and internal pilot-oil return removes the need for a separate drain hose. A ±10 V control interface gives proportional spool positioning from most motion controllers, and the DIN EN 175201-804 (K31) electrical connector provides a keyed plug that resists vibration in mobile or stationary machinery.
The coil is energized from a 24 V DC nominal feed; acceptable supply spans 18 V DC to 35 V DC to accommodate regulated or battery sources. Power consumption is 72 VA, and maximum current draw of 1.6 A defines the output rating needed from the drive module. A 4 A time-lag fuse is specified to clear faults without nuisance trips during inrush. Maximum coil temperature of 150 °C prevents insulation breakdown when the valve operates in hot oil or enclosed cabinets. Total mass is 11.2 kg, which technicians must consider for overhead mounting or service removal. Together these electrical limits ensure reliable spool control while the mechanical values cited earlier deliver consistent hydraulic performance.
Technical Specifications
Control Interface
±10 V (A1)
Current Consumption (max)
1.6 A
Electrical Connection
DIN EN 175201-804 (K31)
Max Flow (recommended)
460 l/min
Max Operating Pressure (p,a,b)
350 bar
Maximum Coil Temperature
150 °C
Pilot Oil Return
Internal
Pilot Oil Supply
External
Porting Pattern
ISO 4401-07-07-0-05
Power Consumption
72 VA
Required Fuse
4 A (time-lag)
Size
NG 16
Supply Voltage (lower Limit)
18 V DC
Supply Voltage (nominal)
24 V DC
Supply Voltage (upper Limit)
35 V DC
Weight
11.2 kg
1620 Old Apex Road
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