Flow Switches – Air Flow
Air Flow Switches Series AFE-1

Features and Benefits
- For industrial hazardous environment applications requiring a NEMA 7 (Class I, Division I, Group C and D) or NEMA 9 (Class II, Division I, Group E, F, and G) rated flow switch for medium velocity
- 1⁄2″ NPT conduit connection
- Paddle fits 8″ (203mm) minimum duct size
- Brass, steel and aluminum construction
- Single pole, double throw snap switch
- Magnetic switching mechanism eliminates need for bellows
- Sensitivity adjusting screw makes flow adjustment easy
- Maximum ambient temperature 120°F (49°C)
- Maximum duct temperature 275°F (135°C)
Installation/Operation Manuals
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ESP-Systemwize
Ready to select pumps as well as suction diffusers, triple duty valves, heat exchangers, air/dirt separators, PIC valves, and parts? Click below to open the new Bell & Gossett ESP-Systemwize selection tool and enter your duty points to begin selecting the most energy efficient system: ESP-SystemwizeSizing Tools:
- CAD Drawing Library for 2D and 3D dimensional drawings in many formats
- System Syzer
- System Syzer Psychrometry
- Steam-Pipe
- Steam-Loss
- Flash-Steam
- Condensate-Pipe
Steam + Water Pressure Reducing Values
- Steam-2000 Pressure and Temperature Regulator
- Steam-1140 Temperature Regulator
- Water-1140 Temperature Regulator
- Steam-Traps
Software Tool and Application Support/Suggest Enhancements
Please click the button below to report issues and suggest enhancements. Support RequestSystem Selection and Technical Product Support
Consult your local Bell & Gossett Representative for additional assistance.