Bosch Rexroth | FES25CA-3X200QK4M
FES25CA-3X/200QK4M
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The FES25CA-3X/200QK4M throttle valve is produced by Bosch Rexroth within the FES Throttle Valves series. It meters hydraulic flow to automate actuator speed and can be energized by a 24 V DC solenoid, so control cabinets can use standard power supplies. During operation the solenoid draws a nominal 1000 mA, and its coil shows 12.7 Ω at 20 °C, rising to 19.3 Ω when hot, values that determine the driver’s output stage. A DIN EN 175301-803 plug provides the electrical connection, making field wiring straightforward. The enclosure carries an IP65 rating to prevent dust ingress and water jets from affecting service life. NBR seals are fitted to ensure compatibility with common mineral oils. Switching requires 3.9 cm³ of pilot oil, which defines valve response time, and the assembly weighs 3.8 kg, allowing installation without lifting equipment.
The hydraulic limits of the FES25CA-3X/200QK4M suit high-pressure circuits; ports a and b accept up to 315 bar, and pilot port x tolerates the same 315 bar, so the unit can be installed directly in main lines. When the pressure drop is 10 bar, the passage from port A to B supports 360 L/min, while the reverse flow from B to A is limited to 330 L/min, figures that guide sizing for cylinders or motors. Continuous operation requires at least 12 bar at inlet A or 15 bar at inlet B, ensuring stable throttling in both directions. The pilot stage demands no more than 5.0 L/min through port Y, which keeps control oil consumption low and simplifies manifold design.
Technical Specifications
Coil Resistance (20 °c)
12.7 Ω
Coil Resistance (max Hot)
19.3 Ω
Electrical Connection
DIN EN 175301-803
Max Flow A→b (Δp=10 Bar)
360 L/min
Max Flow B→a (Δp=10 Bar)
330 L/min
Max Operating Pressure (a,b)
315 bar
Max Pilot Oil Flow In Port Y
5.0 L/min
Max Pilot Pressure (x)
315 bar
Min Inlet Pressure A (a→b)
12 bar
Min Inlet Pressure B (b→a)
15 bar
Nominal Solenoid Current
1000 mA
Pilot Oil Volume For Switching
3.9 cm3
Seal Material
NBR
Solenoid Voltage
24 V DC
Type Of Protection
IP65
Weight
3.8 kg
1620 Old Apex Road
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