Bosch Rexroth | FD32FA2XB06V
FD32FA2X/B06V
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The FD32FA2X/B06V check valve belongs to the FD Check Valves series and is manufactured by Bosch Rexroth for directional control in hydraulic automation. It installs with SAE flange connections so the body can handle high flow paths on sub-plates. Threads conform to ISO 228/1, supporting standard tubing interfaces. A G1/4 control port accepts the pilot line, and a separate G1/4 measuring port provides access for gauges or sensors. The internal area ratio of 1:20 multiplies pilot pressure to lift the poppet efficiently, while the valve begins opening when 20 bar is applied to the control port. Forward flow from A to B starts once the cracking differential reaches 2 bar, and a 0.6 mm damping orifice moderates pilot flow to keep opening movement stable.
The unit tolerates 350 bar on port A and 420 bar on port B, enabling use in high-pressure supply and load circuits. Pilot control pressure at port X may rise to 350 bar without damaging the actuation chamber, and a rated flow of 560 l/min for size 32 permits rapid actuator movement in large machines. The valve is intended for mineral oil HL or HLP fluids specified by DIN 51524, and the required cleanliness class is ISO 4406 20/18/15 to protect the sealing edges. FKM seals resist heat and oil aging, maintaining closure integrity over extended service intervals, while a primer coat in RAL 5010 provides corrosion protection and makes the component easy to identify on crowded manifolds.
Technical Specifications
Area Ratio (pre-opening:load)
1:20
Begin Opening Control Pressure
20 bar
Cleanliness Level
ISO 4406 (c) 20/18/15
Control Port Thread
G1/4
Cracking Pressure A→b
2 bar
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Max Control Pressure (port X)
350 bar
Max Flow (size 32)
560 l/min
Max Operating Pressure (port A)
350 bar
Max Operating Pressure (port B)
420 bar
Measuring Port Thread
G1/4
Mounting Type
SAE Flange Connections
Orifice Diameter
0.6 mm
Primer Color
RAL 5010
Sealing Material
FKM
Thread Standard
ISO 228/1
1620 Old Apex Road
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