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Belimo B261+AFRX24-MFT N4 : 2-Way 2-1/2" Characterized Control Valve (CCV), Cv Rating 60, (120 GPM @ Δ 4 psi), Stainless Steel Trim + Fail-Safe Actuator, 24VAC/DC, Programmable (2-10VDC Default) Control Signal, NEMA 4X Enclosure, 5-Year Warranty

Belimo

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B261+AFRX24-MFT N4
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Belimo B261+AFRX24-MFT N4 : 2-Way 2-1/2" Characterized Control Valve (CCV), Cv Rating 60, (120 GPM @ Δ 4 psi), Stainless Steel Trim + Fail-Safe Actuator, 24VAC/DC, Programmable (2-10VDC Default) Control Signal, NEMA 4X Enclosure, 5-Year Warranty

Ideal for air handling units, fan coil units, and various HVAC applications, the Belimo CCV ensures efficient heating or cooling coil regulation. Its versatility extends to Unit Ventilators, VAV box re-heat coils, and bypass loops, making it a cornerstone of hydronic systems with variable flow requirements.

Key Benefits of the Belimo Characterizing Disc:

  • Equal percentage flow characteristic for precise control.
  • Enhanced control stability with the characterizing disc.
  • Comparable Cv values to globe valves of the same size.
  • Reduced need for multiple pipe reductions.
  • Prevents control loop "hunting," ensuring longevity of components and optimizing energy consumption.

Belimo B261 Valve Specifications

Pattern 2-way
Cv 60
End Fitting Internal thread
Fluid Chilled or hot water, up to 60% glycol
Body Pressure Rating 400 psi
Trim Stainless Steel
Valve Size 2.5" [65]

 

Belimo AFRX24-MFT N4 Valve Actuator Specifications

Voltage AC/DC AC/DC 24 V
Power Consumption (Running) 7.5 W
Power Consumption (Holding) 3 W
Power Consumption For Wire Sizing 10 VA
Control Type MFT Programmable
Manual Override 5 mm hex crank (3/16" Allen), supplied
Running Time (Motor) 95 s / 90°
Running Time (Fail-safe) <20 s
Protection category IP66
Degree Of Protection NEMA NEMA 4
Enclosure Type UL Enclosure Type 4

 

Datasheets

pdf logo Belimo B261+AFRX24-MFT N4 Technical Data Sheet
pdf logo Installation instructions - CCV Pin Removal (M4 vs. M5) LR..., AR..., AFR...
pdf logo Installation Instructions - CCV
pdf logo Belimo Ball Valve Master Format
pdf logo CCV Accessories Documentation
Valve Pattern:
2-Way
Valve Size:
2-1/2 Inch
CV Rating:
60
GPM:
120 @ Δ 4 psi
Material:
Stainless Steel
Actuator Type:
Fail-Safe
Voltage:
24VAC/DC
Control Signal:
MFT Programmable
Auxillary Switch:
None
Enclosure:
NEMA 4X