AFF Nozzles

FM-Approved Flat Fan Fire Protection and (Extra) Wide Angle Nozzles

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Design Features of the AFF Deflected Flat Fan Fire Protection and (Extra) Wide Angle Nozzle

Spray Characteristics of the AFF Fire Protection and (Extra) Wide Angle Nozzle

  • Extra-wide 145° spray angle
  • Medium-impact spray
  • Spray discharge deflected 75° from inlet axis
  • Coarse atomization
Common Materials:
316, Brass

Fan

Select a nozzle number below for performance graph, drawings, and to request a quote.
Nozzle Number Connection Sizes Spray Angles gpm @ psi     (density: 1 SG)
50 psi 75 psi 100 psi 125 psi 150 psi
AFF 1.18 1/2″ 145° 8.34 10.2 11.8 13.2 14.5
AFF 1.66 1/2″ 145° 11.7 14.4 16.6 18.6 20.3
AFF 2.53 1/2″ 145° 17.9 21.9 25.3 28.3 31.0
AFF 3.35 3/4″ 145° 23.7 29.0 33.5 37.5 41.0
AFF 4.43 3/4″ 145° 31.3 38.4 44.3 49.5 54.3
AFF 5.69 3/4″ 145° 40.2 49.3 56.9 63.6 69.7