FQB2 Mass Flow Controller
The 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.
Max Flow (SCFM)
Max P1 (PSI)
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|Max Inlet Pressure||150 PSI (10.34 Bar)|
|Lowest Control Flow||3 to 30 SCFM (85-850 LPM)|
|Port Size||1/4″ to 1-1/2″ NPT (BSPP Available)|
|Durability||Immune to shock & vibration (up to 20 Gs)|
|Ambient Temps||32-158°F (0-70°C)|
|Media Temps||32-122°F (0-50°C)|
|Turn-Down Ratio||10:1 (inquire about 20:1)|
|Power Requirement||17-24 VDC|