FF Nozzles

Deflected Flat Fan Fire Protection Nozzles and (Extra) Wide Angle Nozzles

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

  • One-piece construction
  • Clog-resistant
  • Durable
  • 3/8" FFs in Brass are available with UL approval
  • Male connection
  • For FM-approved flat fan nozzles, see the AFF series

Spray Characteristics of the FF 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:
303, 316, Brass, PVC, PTFE

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)
3 psi 5 psi 20 psi 40 psi 100 psi 200 psi
FF 016 1/8″ 105° .014 .018 .035 .050 .079 .112
FF 024 1/8″ 105° .027 .035 .071 .100 .158 .223
FF 028 1/8″ 105° .041 .053 .106 .150 .237 .335
FF 033 1/8″ 105° .055 .071 .141 .200 .316 .447
FF 041 1/8″ 145° .082 .106 .212 .300 .474 .670
FF 046 1/8″ 145° .109 .141 .283 .400 .632 .894
FF 052 1/8″ 145° .137 .177 .354 .500 .791 1.12
FF 057 1/8″ 145° .164 .212 .424 .600 .949 1.34
FF 065 1/8″ 145° .218 .282 .563 .797 1.26 1.78
FF 073 1/8″, 1/4″ 145° .274 .353 .707 .999 1.58 2.23
FF 093 1/8″, 1/4″ 145° .410 .530 1.06 1.50 2.37 3.35
FF 104 1/8″, 1/4″ 145° .547 .707 1.41 2.00 3.16 4.47
FF 116 1/8″, 1/4″ 145° .656 .847 1.69 2.40 3.79 5.36
FF 125 1/8″, 1/4″ 145° .684 .883 1.77 2.50 3.95 5.59
FF 129 1/8″, 1/4″ 145° .821 1.06 2.12 3.00 4.74 6.70
FF 141 1/8″, 1/4″ 145° .986 1.27 2.54 3.60 5.69 8.05
FF 148 1/8″, 1/4″ 145° 1.09 1.41 2.83 4.00 6.32 8.94
FF 156 1/4″ 145° 1.21 1.56 3.11 4.40 6.96 9.84
FF 161 1/4″ 145° 1.31 1.70 3.39 4.80 7.59 10.7
FF 173 1/4″ 145° 1.48 1.91 3.82 5.40 8.54 12.1
FF 187 3/8″ 145° 1.64 2.12 4.24 6.00 9.49 13.4
FF 196 3/8″ 145° 1.92 2.48 4.96 7.02 11.1 15.7
FF 209 3/8″, 1/2″ 145° 2.04 2.64 5.28 7.46 11.8 16.7
FF 218 3/8″, 1/2″ 145° 2.18 2.82 5.63 7.97 12.6 17.8
FF 221 3/8″ 145° 2.46 3.18 6.35 8.98 14.2 20.1
FF 250 1/2″ 145° 2.88 3.71 7.42 10.5 16.6 23.5
FF 256 1/2″ 145° 3.29 4.25 8.50 12.0 19.0 26.9
FF 281 1/2″ 145° 3.83 4.94 9.88 14.0 22.1 31.3
FF 312 1/2″ 145° 4.38 5.66 11.3 16.0 25.3 35.8
FF 316 3/4″ 145° 4.94 6.37 12.7 18.0 28.5 40.3
FF 332 3/4″ 145° 5.47 7.07 14.1 20.0 31.6 44.7
FF 348 3/4″ 145° 6.03 7.78 15.6 22.0 34.8 49.2
FF 375 1/2″, 3/4″ 145° 6.56 8.47 16.9 24.0 37.9 53.6
FF 406 3/4″ 145° 7.67 9.91 19.8 28.0 44.3 62.6
FF 437 3/4″ 145° 8.76 11.3 22.6 32.0 50.6 71.6
FF 453 3/4″ 145° 9.86 12.7 25.4 36.0 56.9 80.5
FF 484 3/4″ 145° 11.5 14.8 29.7 42.0 66.4 93.9
FF 500 3/4″ 145° 13.1 17.0 33.9 48.0 75.9 107
FF 578 1″ 145° 16.4 21.2 42.4 60.0 94.9 134
FF 625 1″ 145° 19.9 25.7 51.4 72.7 115 163
FF 703 1″ 145° 24.6 31.8 63.5 89.8 142 201
FF 750 1″ 145° 28.8 37.1 74.2 105 166 235

Available Spray Patterns:

Resources: