Bosch Rexroth | FESX32CA-1X320LZ4M
FESX32CA-1X/320LZ4M
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The FESX32CA-1X/320LZ4M throttle valve is supplied by Bosch Rexroth within the FES Throttle Valves series. It is installed in hydraulic systems to regulate flow between port A and port B in automated circuits. The cartridge connection style makes it suitable for manifold mounting, and the component is manufactured in nominal size 32 to handle large volumes. Flow follows a linear characteristic, so the change in opening area corresponds directly to the commanded stroke. Direction of flow is from A to B, with a nominal flow rate of 320 l/min at a 5 bar differential. The assembly permits a maximum flow of 1 000 l/min when fully opened. Ports A, B, and X can be pressurized up to 315 bar, while minimum supply pressures are 12 bar for A→B and 20 bar for B→A. A pilot valve demands 15 l/min to operate the main stage.
Electrical actuation is provided through a DIN 43650 / ISO 4400 connector with an M16 × 1.5 thread, and the solenoid winding presents 2.5 Ω at 20 °C. The coil draws up to 2.7 A, allowing proportional control of the throttling element. An IP65 enclosure rating protects the assembly against dust and water jets when the mating plug is fitted. Sealing is handled by NBR elastomers for compatibility with common mineral oils. Port Y is limited to 100 bar working pressure to safeguard the drain cavity. Overall mass is 5.1 kg, enabling straightforward handling during installation. These electrical, environmental, and mechanical figures complement the hydraulic capacities described earlier and define the valve’s performance envelope in mobile or industrial automation platforms.
Technical Specifications
Coil Resistance (20°c)
2.5 Ω
Connection Type
Cartridge
Degree Of Protection
IP65
Direction Of Flow
A→B
Electrical Connection
DIN 43650/ISO 4400 (M16x1.5)
Flow Characteristic
Linear
Max Working Pressure (a,b,x)
315 bar
Max Working Pressure (port Y)
100 bar
Maximum Flow
1000 l/min
Min Supply Pressure
A→B 12 bar; B→A 20 bar
Nominal Flow Rate
320 l/min (Δp 5 bar)
Nominal Size
32
Pilot Valve Supply Flow
15 l/min
Seals
NBR
Solenoid Max Current
2.7 A
Weight
5.1 kg
1620 Old Apex Road
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