Bosch Rexroth | Z2FRM6BB2-2X32QRV
Z2FRM6BB2-2X/32QRV
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The Z2FRM6BB2-2X/32QRV flow control valve is supplied by Bosch Rexroth as part of the Z2FRM 2-Way Flow Control Valves series. It meters oil in hydraulic automation circuits to maintain constant flow in channel B. The unit is built in size 6 and is adjusted through an internal hexagon that accepts an SW3 key, allowing precise restriction settings in confined manifolds. It supports a maximum flow rate of 32 l/min and requires at least 7 bar pressure differential for minimum flow and 18 bar when the flow reaches its maximum rating. When correctly set, flow variation stays within ±3 percent, providing stable actuator speeds under changing load conditions.
The valve tolerates line pressures up to 315 bar and permits free reverse passage through an integrated check valve. It operates in ambient temperatures from ‑20 to +50 °C and handles hydraulic fluid temperatures between ‑20 and +80 °C. Acceptable fluid viscosity ranges from 10 to 800 mm²/s, and FKM seals prevent external leakage across that span. System cleanliness must not exceed ISO 4406 code 20/18/15 to limit wear on the throttling edge. With a weight of 1.3 kg, the component fits easily into stacked valve assemblies without imposing significant load on the manifold.
Technical Specifications
Adjustment Hexagon Size
SW3
Adjustment Type
Internal Hexagon
Ambient Temp Range
-20 to +50 °C
Check Valve
Yes
Cleanliness Class
ISO 4406 20/18/15
Flow Control Channel
B
Hydraulic Fluid Temp Range
-20 to +80 °C
Maximum Flow
32 l/min
Maximum Operating Pressure
315 bar
Min Pressure Differential (qvmax)
18 bar
Min Pressure Differential (qvmin)
7 bar
Pressure Stability (qvmax)
±3%
Seal Material
FKM
Size
6
Viscosity Range
10 to 800 mm²/s
Weight
1.3 kg
1620 Old Apex Road
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