Bosch Rexroth | 4WRTE16E200L-4X6EG24ETK31A1M
4WRTE16E200L-4X/6EG24ETK31/A1M
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The 4WRTE16E200L-4X/6EG24ETK31/A1M valve belongs to the 4WRTE Directional Control Valves series and is produced by Bosch Rexroth. It meters flow to hydraulic actuators in closed-loop automation circuits. The valve follows nominal size 16, allowing installation on NG16 manifolds. A recommended maximum flow of 460 l/min supports high-throughput lines without excessive pressure drop. Ports A and B withstand 350 bar, while port T tolerates up to 10 bar, defining safe limits for service conditions. Internal pilot supply and return, identified as version ET, remove the need for external pilot lines. During full command at 315 bar the pilot stage draws 14 l/min, and spool displacement requires 2.9 cm³ of pilot oil, so servo amplifiers can be sized accurately.
Precision characteristics include hysteresis not exceeding 0.1 % and response sensitivity within 0.05 %, giving consistent positioning over the valve stroke. The coil is energized by a 24 V DC supply, and a ±10 V command interface labeled A1 accepts analog control signals from motion controllers. Electrical connection is made through a DIN EN 175201-804 K31 plug, which also carries the spool position feedback lines. Spool position monitoring is provided, allowing the control system to verify actual displacement. An IP65 housing protects internal components against dust ingress and low-pressure water jets, making the unit suitable for machine-mounted environments. Fluid cleanliness should meet ISO 4406 class 18/16/13 to maintain the stated accuracy. The assembly weighs 11.2 kg, which aids stable mounting without separate support brackets.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 18/16/13
Connector Type
DIN EN 175201-804 (K31)
Electrical Interface
±10 V (A1)
Hysteresis
≤ 0.1%
Maximum Flow (recommended)
460 l/min
Nominal Size
16 (NG16)
Pilot Oil Flow (0–100%, 315 Bar)
14 l/min
Pilot Oil Version
ET (Internal Supply/Return)
Pilot Oil Volume (0–100%)
2.9 cm³
Port T Static Pressure Max
10 bar
Ports A/b Max Pressure
350 bar
Protection Class
IP65
Response Sensitivity
≤ 0.05%
Spool Position Monitoring
Yes
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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