Hose and Hose Assemblies. JGB's Hose, Fitting, and Valves CatalogJGB Enterprises Inc. celebrates its 35 years. The owner, Jay G Bernhardt, founded the company in 1977 and  we have grown the company into a leading defense contractor and commercial supplier in hoses and fittings
Request a Quote
Search Website  

Water Flow Pressure Loss - 1/2" through 3" hose chart

Go to  4" through 16" hose chart

(PSI per 100 feet of Hose)
Flow of
water in
US
Gal./min
Flow of
water in
cu. ft/sec.
Actual Internal Diameter, Inches
1/25/8 3/411 1/41 1/222 1/23
0.5
1.5
2.5
5
10
.001
.003
.005
.011
.022
0.4
3.02
7.75
27.8
99.5
1.01
2.58
9.27
33.2
.042
1.08
3.86
13.8
0.95
3.38
0.32
1.14
0.13
0.47
0.12   
15
20
25
30
35
.033
.044
.055
.066
.077
  71.0
121.0
29.6
50.3
76.5
108.0
142.0
7.25
12.4
18.7
26.5
34.8
2.45
4.15
6.34
8.96
11.8
1.01
1.71
2.60
3.68
4.83
0.25
0.42
0.64
0.90
1.18
0.08
0.14
0.22
0.30
0.40
0.13
0.17
40
45
50
60
70
.088
.099
.110
.132
.154
      44.7
55.0
67.5
94.3
126.0
15.1
18.6
22.8
31.8
42.5
6.20
7.65
9.35
13.1
17.5
1.52
1.87
2.28
3.19
4.25
0.51
0.63
0.78
1.08
1.44
0.21
0.26
0.32
0.45
0.60
80
90
100
125
150
.176
.198
.223
.278
.334
        54.6
67.5
81.5
124.0
22.5
27.8
33.5
50.6
72.1
5.48
6.80
8.19
12.4
17.6
1.86
2.30
2.78
4.20
6.97
0.77
0.95
1.15
1.73
2.46
175
200
225
250
275
.390
.446
.501
.557
.613
          94.5
122.0
23.1
29.6
36.8
44.6
53.3
7.83
10.1
12.5
15.2
18.1
3.23
4.15
5.15
6.28
7.45
300
325
350
375
400
.688
.724
.780
.836
.891
            62.5
72.5
83.2
94.5
107.0
21.2
24.6
28.2
32.1
36.2
8.75
10.2
11.7
13.3
14.9
450
500
600
700
800
1.00
1.11
1.34
1.56
1.78
              44.9
54.5
76.5
102.0
131.0
18.6
22.5
31.6
42.1
53.9
900
1000
1100
1200
1300
2.00
2.23
2.45
2.67
2.90
                66.8
81.4
97.0
114.0
132.0
1400
1500
1600
1800
2000
3.12
3.34
3.56
4.01
4.45
                

 

Go to  4" through 16" hose chart