Appendix 8F Local Losses Table 8F-1 Local losses 2" 3" 4" 5" 6" 7" 8" 10" 12" + Pipe Size  Elbows Bend, 45 deg, Std. steel 0.29 0.26 0.23 0.23 0.21 0.2 0.2 0.19 0.18 or plastic Bend, 45 deg, long 0.19 0.19 0.18 0.18 0.18 0.17 0.17 0.17 0.16 radius Bend, 90 deg. Std. steel 0.38 0.34 0.31 0.3 0.28 0.27 0.26 0.25 0.24 or plastic Bend, 90 deg. long 0.27 0.25 0.22 0.2 0.18 0.17 0.15 0.14 0.13 radius Bend, 90 deg. Miter 0.8 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 Entrance Entrance, Bell mouth 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 headwall Entrance, Rounded 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 headwall Entrance, Sharp 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 cornered headwall Entrance, Sharp 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 projecting Exit Exit all 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 TEES Tee, Hydrant (off) 0.6 0.6 0.5 0.4 0.3 0.3 0.3 0.3 0.3 Tee, Branching 1.6 1.3 1.2 1.1 1 0.9 0.9 0.8 0.8 Tee, line flow 0.8 0.7 0.6 0.6 0.5 0.5 0.5 0.4 0.4 Valves Alfalfa valve (Plate 2 2 2 2 2 2 2 2 2 type) Alfalfa valve with hood 4 4 4 4 4 4 4 4 4 (Estimate)
Appendix 8F Local Losses Table 8F-1 Local losses Pipe Size  2" 3" 4" 5" 6" 7" 8" 10" 12" + Elbows Bend, 45 deg, Std. steel or plastic 0.29 0.26 0.23 0.23 0.21 0.2 0.2 0.19 0.18 Bend, 45 deg, long radius 0.19 0.19 0.18 0.18 0.18 0.17 0.17 0.17 0.16 Bend, 90 deg. Std. steel or plastic 0.38 0.34 0.31 0.3 0.28 0.27 0.26 0.25 0.24 Bend, 90 deg. long radius 0.27 0.25 0.22 0.2 0.18 0.17 0.15 0.14 0.13 Bend, 90 deg. Miter 0.8 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 Entrance Entrance, Bell mouth headwall 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 Entrance, Rounded headwall 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 Entrance, Sharp cornered headwall 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Entrance, Sharp projecting 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 Exit Exit all 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 TEES Tee, Hydrant (off) 0.6 0.6 0.5 0.4 0.3 0.3 0.3 0.3 0.3 Tee, Branching 1.6 1.3 1.2 1.1 1 0.9 0.9 0.8 0.8 Tee, line flow 0.8 0.7 0.6 0.6 0.5 0.5 0.5 0.4 0.4 Valves Alfalfa valve (Plate type) 2 2 2 2 2 2 2 2 2 Alfalfa valve with hood (Estimate) 4 4 4 4 4 4 4 4 4
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