Bosch Rexroth | Z2FRM6AB2-2X6QRV
Z2FRM6AB2-2X/6QRV
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The Z2FRM6AB2-2X/6QRV valve belongs to the Z2FRM 2-Way Flow Control Valves series from Bosch Rexroth and meters hydraulic oil to maintain set flow rates in automation circuits. Flow passes through channel A, and an integrated check valve blocks reverse movement to protect actuators. The unit withstands operating pressures up to 315 bar so it can sit directly in high-pressure lines, while a maximum flow capacity of 6 l/min defines the top end of its regulating range. At the opposite extreme, it still controls as low as 50 cm³/min, letting designers tune slow actuator motions. Flow remains stable within ±3 percent of the preset value, supporting repeatable machine cycles, provided a minimum pressure differential of 18 bar is available at peak flow. Technicians access the metering spindle with a 3 mm hex wrench, allowing fine adjustment without special tools.
During assembly, the cartridge is tightened to 50 Nm, securing the valve body against leakage and loosening under load. The component mounts to manifolds that follow porting pattern ISO 4401-03-02-0-05, simplifying integration with standard subplates. Internal clearances require oil cleanliness no worse than class 20/18/15 per ISO 4406 to avoid premature wear. Safe service temperatures span –20 °C to +80 °C, and the design accommodates fluids with viscosities from 10 to 800 mm²/s, covering most mineral and synthetic hydraulic oils. FKM seals resist temperature swings and common additives, maintaining elasticity over the product’s life. A mass of 1.3 kg keeps handling straightforward when installing the valve into compact hydraulic manifolds.
Technical Specifications
Adjustment Hex Size
3 mm (SW3)
Cartridge Tightening Torque
50 Nm
Check Valve
Yes
Flow Control Channel
A
Fluid Cleanliness Class
20/18/15 (ISO 4406)
Hydraulic Fluid Temp Range
-20 to +80 °C
Max Flow
6 l/min
Max Operating Pressure
315 bar
Min Flow
50 cm³/min
Min Pressure Differential (qv Max)
18 bar
Porting Pattern (component Side)
ISO 4401-03-02-0-05
Pressure Stability
±3% (qV max)
Seal Material
FKM
Viscosity Range
10 to 800 mm²/s
Weight
1.3 kg
1620 Old Apex Road
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