Related Resources: fluid flow
Flow of Water Through Nozzles
Flow of Water Through Nozzles in Cubic Feet per Second Table
Head in Feet, at Nozzle |
Pressure, lb/in.2 |
Theoretical Velocity, ft/s |
Diameter of Nozzle, Inches |
|||||||
1 |
1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
|||
5 |
2.17 |
17.93 |
0.10 |
0.22 |
0.39 |
0.61 |
0.88 |
1.20 |
1.56 |
1.98 |
10 |
4.33 |
25.36 |
0.14 |
0.31 |
0.55 |
0.86 |
1.24 |
1.69 |
2.21 |
2.80 |
20 |
8.66 |
35.87 |
0.20 |
0.44 |
0.78 |
1.22 |
1.76 |
2.40 |
3.13 |
3.96 |
30 |
12.99 |
43.93 |
0.24 |
0.54 |
0.96 |
1.50 |
2.16 |
2.93 |
3.83 |
4.85 |
40 |
17.32 |
50.72 |
0.28 |
0.62 |
1.11 |
1.73 |
2.49 |
3.39 |
4.43 |
5.60 |
50 |
21.65 |
56.71 |
0.31 |
0.70 |
1.24 |
1.93 |
2.78 |
3.79 |
4.95 |
6.26 |
60 |
25.99 |
62.12 |
0.34 |
0.76 |
1.36 |
2.12 |
3.05 |
4.15 |
5.42 |
6.86 |
70 |
30.32 |
67.10 |
0.37 |
0.82 |
1.46 |
2.29 |
3.29 |
4.48 |
5.86 |
7.41 |
80 |
34.65 |
71.73 |
0.39 |
0.88 |
1.56 |
2.45 |
3.52 |
4.79 |
6.26 |
7.92 |
90 |
38.98 |
76.08 |
0.41 |
0.93 |
1.66 |
2.59 |
3.73 |
5.08 |
6.64 |
8.40 |
100 |
43.31 |
80.20 |
0.44 |
0.98 |
1.75 |
2.73 |
3.94 |
5.36 |
7.00 |
8.86 |
120 |
51.97 |
87.85 |
0.48 |
1.08 |
1.92 |
2.99 |
4.31 |
5.87 |
7.67 |
9.70 |
140 |
60.63 |
94.89 |
0.52 |
1.16 |
2.07 |
3.23 |
4.66 |
6.34 |
8.28 |
10.48 |
160 |
69.29 |
101.45 |
0.55 |
1.24 |
2.21 |
3.46 |
4.98 |
6.78 |
8.85 |
11.20 |
180 |
77.96 |
107.60 |
0.59 |
1.32 |
2.35 |
3.67 |
5.28 |
7.19 |
9.39 |
11.88 |
200 |
86.62 |
113.42 |
0.62 |
1.39 |
2.47 |
3.87 |
5.57 |
7.58 |
9.90 |
12.53 |
250 |
108.27 |
126.81 |
0.69 |
1.56 |
2.77 |
4.32 |
6.22 |
8.47 |
11.07 |
14.01 |
300 |
129.93 |
138.91 |
0.76 |
1.70 |
3.03 |
4.74 |
6.82 |
9.28 |
12.12 |
15.34 |
350 |
151.58 |
150.04 |
0.82 |
1.84 |
3.27 |
5.11 |
7.37 |
10.02 |
13.09 |
16.57 |
400 |
173.24 |
160.40 |
0.87 |
1.97 |
3.50 |
5.47 |
7.87 |
10.72 |
14.00 |
17.72 |
450 |
194.89 |
170.13 |
0.93 |
2.09 |
3.71 |
5.80 |
8.35 |
11.37 |
14.85 |
18.79 |
500 |
216.54 |
179.33 |
0.98 |
2.20 |
3.91 |
6.11 |
8.80 |
11.98 |
15.65 |
19.81 |
Head in Feet, at Nozzle |
Pressure, lb/in.2 |
Theoretical Velocity, ft/s |
Diameter of Nozzle, Inches |
|||||||
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|||
5 |
2.17 |
17.93 |
2.45 |
3.52 |
4.79 |
6.3 |
7.9 |
9.8 |
11.8 |
14.1 |
10 |
4.33 |
25.36 |
3.46 |
4.98 |
6.78 |
8.9 |
11.2 |
13.8 |
16.7 |
19.9 |
20 |
8.66 |
35.87 |
4.89 |
7.04 |
9.59 |
12.5 |
15.8 |
19.6 |
23.7 |
28.2 |
30 |
12.99 |
43.93 |
5.99 |
8.63 |
11.74 |
15.3 |
19.4 |
24.0 |
29.0 |
34.5 |
40 |
17.32 |
50.72 |
6.92 |
9.96 |
13.56 |
17.7 |
22.4 |
27.7 |
33.5 |
39.8 |
50 |
21.65 |
56.71 |
7.73 |
11.13 |
15.16 |
19.8 |
25.1 |
30.9 |
37.4 |
44.5 |
60 |
25.99 |
62.12 |
8.47 |
12.20 |
16.60 |
21.7 |
27.4 |
33.9 |
41.0 |
48.8 |
70 |
30.32 |
67.10 |
9.15 |
13.18 |
17.93 |
23.4 |
29.6 |
36.6 |
44.3 |
52.7 |
80 |
34.65 |
71.73 |
9.78 |
14.08 |
19.17 |
25.0 |
31.7 |
39.1 |
47.3 |
56.3 |
90 |
38.98 |
76.08 |
10.37 |
14.94 |
20.33 |
26.6 |
33.6 |
41.5 |
50.2 |
59.8 |
100 |
43.31 |
80.20 |
10.94 |
15.75 |
21.43 |
28.0 |
35.4 |
43.7 |
52.9 |
63.0 |
120 |
51.97 |
87.85 |
11.98 |
17.25 |
23.48 |
30.7 |
38.8 |
47.9 |
58.0 |
69.0 |
140 |
60.63 |
94.89 |
12.94 |
18.63 |
25.36 |
33.1 |
41.9 |
51.8 |
62.6 |
74.5 |
160 |
69.29 |
101.45 |
13.83 |
19.92 |
27.11 |
35.4 |
44.8 |
55.3 |
66.9 |
79.7 |
180 |
77.96 |
107.60 |
14.67 |
21.13 |
28.76 |
37.6 |
47.5 |
58.7 |
71.0 |
84.5 |
200 |
86.62 |
113.42 |
15.47 |
22.27 |
30.31 |
39.6 |
50.1 |
61.9 |
74.9 |
89.1 |
250 |
108.27 |
126.81 |
17.29 |
24.90 |
33.89 |
44.3 |
56.0 |
69.2 |
83.7 |
99.6 |
300 |
129.93 |
138.91 |
18.94 |
27.27 |
37.12 |
48.5 |
61.4 |
75.8 |
91.7 |
109.1 |
350 |
151.58 |
150.04 |
20.46 |
29.46 |
40.10 |
52.4 |
66.3 |
81.8 |
99.0 |
117.8 |
400 |
173.24 |
160.40 |
21.87 |
31.49 |
42.87 |
56.0 |
70.9 |
87.5 |
105.9 |
126.0 |
450 |
194.89 |
170.13 |
23.20 |
33.40 |
45.47 |
59.4 |
75.2 |
92.8 |
112.3 |
133.6 |
500 |
216.54 |
179.33 |
24.45 |
35.21 |
47.93 |
62.6 |
79.2 |
97.8 |
118.4 |
140.8 |