Bosch Rexroth | Z2FS-10-3-31V
Z2FS-10-3-31/V
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The Z2FS-10-3-31/V is produced by Bosch Rexroth within the Z2FS Throttle Check Valves series and is applied in hydraulic automation to meter flow between manifold ports. The nominal size of 10 defines its interface dimension, while the ISO 4401-05-04-0-05 porting pattern aligns the body with standard NG10 subplates. A maximum operating pressure of 315 bar supports high-pressure circuits, and a maximum flow of 160 l/min sets the throughput limit. Port diameters of 8 mm on A and B, 10 mm on P, and 7.5 mm on Ta and Tb tailor the restriction for inlet, supply, and tank lines. The absence of a pilot oil duct simplifies the internal layout, and installation is permitted in any orientation to ease machine design and maintenance.
Flow adjustment is performed through a lockable rotary knob with scale so settings can be repeated after service. Bolt geometry of 4 × Ø6.5 mm holes on an 80 × 70 mm pattern centers the body and maintains clamping force, and four M6 ISO 4762-10.9 screws secure it to the subplate. FKM seals tolerate common hydraulic fluids and elevated temperatures to extend service life. Cleanliness class ISO 4406 (c) 20/18/15 limits particle contamination to protect throttling edges. The valve weighs 3.1 kg, allowing manual handling during assembly without special lifting aids.
Technical Specifications
Adjustment Type
Lockable Rotary Knob With Scale
Bolt Hole Size
4x Ø6.5 mm
Bolt Pattern
80 x 70 mm
Cleanliness Class
ISO 4406 (c) 20/18/15
Installation Position
Any
Max Flow
160 l/min
Max Operating Pressure
315 bar
Mounting Screws
4x M6 ISO 4762-10.9
Nominal Size
10
Pilot Oil Duct
None
Port Diameter A/b
8 mm
Port Diameter P
10 mm
Port Diameter Ta/tb
7.5 mm
Porting Pattern
ISO 4401-05-04-0-05
Seal Material
FKM
Weight
3.1 kg
1620 Old Apex Road
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