Bosch Rexroth | FESE40CA-3X670LK0B1M-1
FESE40CA-3X/670LK0B1M-1
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The FESE40CA-3X/670LK0B1M-1 belongs to the FES Throttle Valves series from Bosch Rexroth and is intended to regulate hydraulic flow in automated machinery. It is a 2-way proportional throttle valve built for precise control, supplied in size 40 for cavities prepared to the DIN ISO 7368 interface. A main spool area ratio of 2:1 defines the force balance during modulation. With a pressure drop of 10 bar the valve provides a nominal flow of 670 L/min, while the directional maxima reach 680 L/min from port A to B and 585 L/min from port B to A. Consistent throttling is maintained when inlet pressure stays above 15 bar for flow from A to B and 20 bar for the reverse direction.
The design tolerates operating pressures up to 315 bar, and the same 315 bar limit applies to pilot port X for synchronized circuit ratings. Pilot control oil demand is limited to 10 L/min through port Y, and a pilot volume of 12 cm³ covers the full 0–100 percent stroke. NBR sealing resists common hydraulic fluids, and electrical actuation is connected through a DIN 43651 component plug. The assembled valve weighs 8.4 kg, offering sturdy construction while remaining manageable for installation and maintenance.
Technical Specifications
Area Ratio (main Spool)
2:1
Electrical Connection
DIN 43651 Component Plug
Max Flow A→b (Δp = 10 Bar)
680 L/min
Max Flow B→a (Δp = 10 Bar)
585 L/min
Max Operating Pressure
315 bar
Max Pilot Oil Flow (port Y)
10 L/min
Max Pilot Pressure (port X)
315 bar
Min Inlet Pressure (a→b)
15 bar
Min Inlet Pressure (b→a)
20 bar
Mounting Interface
DIN ISO 7368
Nominal Flow (Δp = 10 Bar)
670 L/min
Pilot Oil Volume (0–100%)
12 cm³
Seal Material
NBR
Size
40
Valve Type
2-Way Proportional Throttle Valve
Weight
8.4 kg
1620 Old Apex Road
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