Bosch Rexroth | 4WRTE16W8-200L-4X6EG24EK31A5M
4WRTE16W8-200L-4X/6EG24EK31/A5M
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The 4WRTE16W8-200L-4X/6EG24EK31/A5M valve belongs to the 4WRTE Directional Control Valves series produced by Bosch Rexroth for proportional hydraulic automation. It is supplied in nominal size NG16, matching manifold cavities that require this flow cross-section. A porting pattern of ISO 4401-07-07-0-05 allows direct mounting on standard subplates without re-machining. The valve tolerates operating pressures up to 350 bar so it can direct flow in high-pressure circuits. A recommended maximum flow of 460 l/min enables service on large cylinders or motors without excessive pressure drop. Pilot oil is taken internally from port E, removing the need for an external supply line, while pilot oil is returned externally through port Y to keep the pilot stage free of backpressure. A pilot oil flow of 14 l/min sustains stable spool actuation during dynamic commands, and an IP65 housing shields the coil and electronics from dust and water spray.
Electronic control is provided by a 24 V DC supply, and maximum current consumption of 1.6 A sets the load requirement for the power source. The A5 interface accepts a ±10 V command signal with an enable input, giving the user analog positioning capability. A DIN EN 175201-804 (K31) connector forms the electrical termination so wiring can be completed quickly with a standard plug. Residual ripple is limited to 2.5 Vpp, helping the proportional amplifier maintain accurate spool position. The coil can reach 150 °C without damage, permitting installation close to hot hydraulic blocks. To keep all moving parts reliable, hydraulic fluid cleanliness must be at least ISO 4406 (c) 18/16/13. The assembled unit weighs 11.2 kg, a value to consider when selecting mounting brackets or subplate stiffness.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 18/16/13
Current Consumption
1.6 A (max)
Electrical Connection
DIN EN 175201-804 (K31)
Electronics Interface
A5 (±10 V, Enable)
Max Coil Temperature
150 °C
Max Operating Pressure
350 bar
Nominal Size
NG16
Pilot Oil Flow
14 l/min
Pilot Oil Return
External (Port Y)
Pilot Oil Supply
Internal (E)
Porting Pattern
ISO 4401-07-07-0-05
Protection Class
IP65
Recommended Max Flow
460 l/min
Residual Ripple
2.5 Vpp (max)
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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