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FQB2 Mass Flow Controller
Brand: Proportion-Air, IncThe FQB2 Mass Flow Controller is another complete flow control package from Proportion-Air.
The FQB2 electronically modulates the pilot of any of a variety of mechanical flow amplifiers (Generally, the PSR-Series).
Proportion-Air selects the appropriate mechanical flow amplifier based on your specific application’s flow control parameters.
An F-series air flow transducer is used to feed an electronic signal representing the mass flow rate of air back to the FQB2 control valve circuit.
This makes a complete flow control package which electronically controls the flow of air independent of supply pressure or varying system restrictions.
The FQB2 mass flow controller has a standard turndown ratio of 10:1 – Ask about our 20:1 turndown ratio option.
Specifications
Brand
Maximum Inlet Pressure
- 150 psi (10.34 bar)
Accuracy
- ± 4 % of Full Scale
Repeatability
- ± 0.25 % of Full Scale
Lowest Control Flow
- 3 - 30 scfm (85-850 LPM)
Port Size
- 1/4” - 1-1/2” NPT (BSPP Available)
Durability
- Immune to Shock & Vibration (up to 20 Gs)
Ambient Temperature
- 32° to 158° F (0° to 70° C)
Media Temperatures
- 32° to 122° F (0° to 50° C)
Turn-Down Ratio
- 10:1
Filtration
- 40 micron
Power Requirement
- 17-24 Vdc