AFF

FM-APPROVED FAN SPRAY NOZZLE FOR FIRE PROTECTION
Detail Fan Spray Pattern Icon

DESIGN FEATURES

One-piece construction

Clog-resistant

All 1/2" AFF NPT nozzles require a line strainer designed to entrap material 1/8" and larger.

All AFF nozzles are Factory Mutual approved


HOW SPRAY PATTERN IS ACHIEVED

The spray pattern is formed by deflecting off an external surface, creating an extra-wide fan spray pattern

Spray discharge deflected 75° from the inlet axis

Available Spray Angle
145°
Flow Rate Range
8.34 to 69.7 gpm
Available Connection Types
  • Pipe: 1/2, 3/4
  • Connection Methods: Thread (NPT, BSP, Male)
Materials
Brass, 316
Flow Rates, Spray Angles, Connections
Fan
Select a nozzle number below for performance graph, drawings, and to request a quote.
Flow rate (gpm/lpm) is calculated at differential pressure (psi/bar).
Nozzle Number
Connection Sizes
Spray Angles
Flow Rate (gpm) @ Differential Pressure (psi) (Density: 1 SG)
50 psi
75 psi
100 psi
150 psi
Pipe: 1/2
145°
8.34
10.2
11.8
14.5
Pipe: 1/2
145°
11.7
14.4
16.6
20.3
Pipe: 1/2
145°
17.9
21.9
25.3
31.0
Pipe: 3/4
145°
23.7
29.0
33.5
41.0
Pipe: 3/4
145°
31.3
38.4
44.3
54.3
Pipe: 3/4
145°
40.2
49.3
56.9
69.7
Nozzle Spray Videos
  • High Performance Nozzles for Fire Protection

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