Component Description
06-236115-001 3-33 October 2014
3-3.7.12 Discharge Nozzles
The 180° and 360° discharge nozzles are designed to provide the proper flow rate and
distribution of HFC-227ea to flood a hazard area. The 180° nozzle is engineered to provide a
180° discharge pattern for sidewall applications. The 360° nozzle offers a full 360° discharge
pattern for installations where nozzles are located in the center of the hazard. See Figure 3-38
and Figure 3-39 and Table 3-17 and Table 3-18 for further information.
Figure 3-38. 180° Discharge Nozzle
Figure 3-39. 360° Discharge Nozzle
Table 3-17. Dimensions–180° Discharge Nozzle
Pipe Size A B C D
½ in (12.70 mm) 1.25 in (31.75 mm) 1.25 in (31.75 mm) 1.687 in (42.85 mm) 2.0 in (50.80 mm)
¾ in (19.05 mm) 1.5 in (38.10 mm) 1.375 in (34.92 mm) 1.95 in (49.53 mm) 2.296 in (58.32 mm)
1 in (25.40 mm) 1.75 in (44.45 mm) 1.562 in (39.67 mm) 2.218 in (56.34 mm) 2.671 in(67.84 mm)
1¼ in (31.75 mm) 2.25 in (57.15 mm) 1.75 in (44.45 mm) 2.656 in (67.46 mm) 3.25 in (82.55 mm)
1½ in (38.10 mm) 2.5 in (63.5 mm) 1.95 in (49.53 mm) 2.95 in (74.93 mm) 3.625 in(92.07 mm)
2 in (50.80 mm) 3.0 in (76.2 mm) 1.968 in (49.98 mm) 2.875 in (73.02 mm) 3.656 in (92.86 mm)
Table 3-18. Dimensions–360° Discharge Nozzle
Pipe Size A B C D
½ in (12.70 mm) 1.250 in (31.75 mm) 1.468 in (37.30 mm) 1.937 in (49.20 mm) 1.250 in (31.75mm)
¾ in (19.05 mm) 1.500 in (38.10 mm) 1.578 in (40.08 mm) 2.125 in (53.97 mm) 1.500 in (38.10 mm)
1 in (25.40 mm) 1.750 in (44.45 mm) 1.718 in (43.64 mm) 2.375 in (60.32 mm) 1.750 in (44.45 mm)
1¼ in (31.75 mm) 2.250 in (57.15 mm) 1.950 in (49.53 mm) 2.751 in (69.88 mm) 2.250 in (57.15 mm)
1½ in (38.10 mm) 2.250 in (63.50 mm) 2.000 in (50.80 mm) 2.937 in (74.60 mm) 2.500 in (63.50 mm)
2 in (50.80 mm) 3.000 in (76.20 mm) 2.062 in (52.37 mm) 3.125 in (79.37 mm) 3.000 in (76.20 mm)
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