Bosch Rexroth | FD32PA2XB06V12
FD32PA2X/B06V12
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The FD32PA2X/B06V12 valve belongs to the FD Check Valves series from Bosch Rexroth and serves to block or allow flow in hydraulic automation circuits. It mounts on a sub-plate (PA), matching the ISO 5781-10-13-0-00 pattern for straightforward manifold integration. Flow passages a and b are 30 mm in diameter, and a control or measuring line can be connected through G 1/4 threads. A 0.6 mm orifice meters pilot oil, while the 1:20 control-to-load area ratio multiplies pilot pressure for dependable opening. The primary seal is a 37.69 × 3.53 mm O-ring made of FKM, providing chemical and temperature resistance. The valve begins to open from port a to b at a cracking pressure of 2 bar, permitting low-pressure startup circulation.
The unit handles a maximum flow of 560 l/min and tolerates 350 bar on ports a and x, with port b rated for 420 bar so it can isolate high-pressure return lines. Control port x may also be pressurized up to 350 bar to force reverse flow when needed, while reverse actuation from b to a requires a pre-opening pressure of 20 bar to prevent unintended backflow. Correct installation demands mounting screws tightened to 75 Nm, and the 24 kg mass should be supported during assembly to avoid strain on the manifold. These limits keep the valve within safe mechanical and hydraulic operating ranges in heavy-duty systems.
Technical Specifications
Area Ratio (control/load)
1:20
Control/measuring Port Threads
G 1/4
Cracking Pressure (a To B)
2 bar
Maximum Control Pressure (x)
350 bar
Maximum Flow (a,b)
560 l/min
Maximum Operating Pressure (a,x)
350 bar
Maximum Operating Pressure (b)
420 bar
Mounting Type
Sub-Plate (PA)
O-ring Size
37.69 × 3.53 mm
Orifice Diameter
0.6 mm
Port Diameter (a,b)
30 mm
Porting Pattern
ISO 5781-10-13-0-00
Pre-opening Pressure (b To A)
20 bar
Sealing Material
FKM (fluorocarbon rubber)
Tightening Torque (mounting Screws)
75 Nm
Weight
24 kg
1620 Old Apex Road
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