Pipe Size : 1/8"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
.2
0.000446
1.13
1.86
.3
0.000668
1.69
4,22
.4
0.000891
2.26
6.98
.5
0.00111
2.82
10.5
.6
0.00134
3.39
14.7
.8
0.00178
4.52
25.0
1
0.00223
5.65
37.2
2
0.00446
11.29
134.4
Pipe Size : 1/4"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
.2
0.000446
0.616
0.359
.3
0.000668
0.924
0.903
.4
0.000891
1.23
1.61
.5
0.00111
1.54
2.39
.6
0.00134
1.85
3.29
.8
0.00178
2.46
5.44
1
0.00223
3.08
8.28
2
0.00446
6.16
30.1
3
0.00668
9.25
64.1
4
0.00891
12.33
111.2
Pipe Size : 3/8"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
.3
0.000668
0.504
0.159
.4
0.000891
0.672
0.345
.5
0.00111
0.840
0.539
.6
0.00134
1.01
0.751
.8
0.00178
1.34
1.25
1
0.00223
1.68
1.85
2
0.00446
3.36
6.58
3
0.00668
5.04
13.9
4
0.00891
6.72
23.9
5
0.01114
8.40
36.7
6
0.01337
10.08
51.9
8
0.01782
13.44
91.1
Pipe Size : 1/2"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
.3
0.000668
0.317
0.061
.4
0.000891
0.422
0.086
.5
0.00111
0.528
0.167
.6
0.00134
0.633
0.240
.8
0.00178
0.844
0.408
1
0.00223
1.06
0.600
2
0.00446
2.11
2.10
3
0.00668
3.17
4.33
4
0.00891
4.22
7.42
5
0.0114
5.28
11.2
6
0.01337
6.33
15.8
8
0.01782
8.45
27.7
10
0.02228
10.56
42.4
Pipe Size : 3/4"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
.5
0.00111
0.301
0.033
.6
0.00134
0.361
0.041
.8
0.00178
0.481
0.102
1
0.00223
0.602
0.155
2
0.00446
1.20
0.526
3
0.00668
1.81
1.09
4
0.00891
2.41
1.83
5
0.0114
3.01
2.75
6
0.01337
3.61
3.84
8
0.01782
4.81
6.60
10
0.02228
6.02
9.99
15
0.03342
9.03
21.6
20
0.04456
12.03
37.8
Pipe Size : 1¼"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
2
0.00446
0.429
0.044
3
0.00668
0.644
0.090
4
0.00891
0.858
0.150
5
0.01114
1.073
0.223
6
0.01337
1.29
0.309
8
0.01782
1.72
0.518
10
0.02228
2.15
0.774
15
0.03342
3.22
1.63
20
0.04456
4.29
2.78
25
0.05570
5.37
4.22
30
0.06684
6.44
5.92
35
0.07798
7.51
7.90
40
0.08912
8.59
10.24
45
0.1003
9.67
12.80
50
0.1114
10.74
15.66
60
0.1337
12.89
22.2
Pipe Size : 1½"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
3
0.00668
0.473
0.043
4
0.00891
0.630
0.071
5
0.01114
0.788
0.104
6
0.01337
0.946
0.145
8
0.01782
1.26
0.241
10
0.02228
1.58
0.361
15
0.03342
2.37
0.755
20
0.04456
3.16
1.28
25
0.05570
3.94
1.93
30
0.06684
4.73
2.72
35
0.07798
5.52
3.64
40
0.08912
6.30
4.65
45
0.1003
7.09
5.85
50
0.1114
7.88
7.15
60
0.1337
9.47
10.21
70
0.1560
11.05
13.71
80
0.1782
12.62
17.59
90
0.2005
14.20
22.0
100
0.2228
15.78
26.9
125
0.2785
19.72
41.4
Pipe Size : 2"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
6
0.01337
0.574
0.044
8
0.01782
0.765
0.073
10
0.02228
0.956
0.108
15
0.03342
1.43
0.224
20
0.04456
1.91
0.375
25
0.05570
2.39
0.561
30
0.06684
2.87
0.786
35
0.07798
3.35
1.05
40
0.08912
3.83
1.35
45
0.1003
4.30
1.67
50
0.1114
4.78
2.03
60
0.1337
5.74
2.87
70
0.1560
6.70
3.84
80
0.1782
7.65
4.97
90
0.2005
8.60
6.20
100
0.2228
9.56
7.59
125
0.2785
11.97
11.76
150
0.3342
14.36
16.70
175
0.3899
16.75
22.3
200
0.4456
19.14
28.8
Pipe Size : 2½"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
10
0.02228
0.670
0.046
15
0.03342
1.01
0.094
20
0.04456
1.34
0.158
25
0.05570
1.68
0.234
30
0.06684
2.01
0.327
35
0.07798
2.35
0.436
40
0.08912
2.68
0.556
45
0.1003
3.02
0.668
50
0.1114
3.35
0.839
60
0.1337
4.02
1.18
70
0.1560
4.69
1.59
80
0.1782
5.36
2.03
90
0.2005
6.03
2.53
100
0.2228
6.70
3.09
125
0.2785
8.38
4.71
150
0.3342
10.05
6.69
175
0.3899
11.73
8.97
200
0.4456
13.42
11.68
225
0.5013
15.09
14.63
Pipe Size : 3"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
20
0.04456
0.868
0.056
25
0.05570
1.09
0.083
30
0.06684
1.30
0.114
35
0.07798
1.52
0.151
40
0.08912
1.74
0.192
40
0.1003
1.95
0.239
50
0.1114
2.17
0.288
60
0.1337
2.60
0.406
70
0.1560
3.04
0.540
80
0.1782
3.47
0.687
90
0.2005
3.91
0.861
100
0.2228
4.34
1.05
125
0.2785
5.43
1.61
150
0.3342
6.51
2.24
175
0.3899
7.60
3.00
200
0.4456
8.86
3.87
225
0.5013
9.77
4.83
250
0.557
10.85
5.93
275
0.6127
11.94
7.14
300
0.6684
13.00
8.36
325
0.7241
14.12
9.89
Pipe Size : 3½"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
25
0.05570
0.812
0.041
30
0.06684
0.974
0.056
35
0.07798
1.14
0.704
40
0.08912
1.30
0.095
45
0.1003
1.46
0.117
50
0.1114
1.62
0.142
60
0.1337
1.95
0.204
70
0.1560
2.27
0.261
80
0.1782
2.60
0.334
90
0.2005
2.92
0.416
100
0.2228
3.25
0.509
125
0.2785
4.06
0.769
150
0.3342
4.87
1.08
175
0.3899
5.68
1.44
200
0.4456
6.49
1.85
225
0.5013
7.30
2.32
250
0.5013
8.12
2.84
275
0.6127
8.93
3.40
300
0.6684
9.74
4.02
325
0.7241
10.53
4.09
350
0.7798
11.36
5.41
375
0.8355
12.17
6.18
400
0.8912
12.98
7.03
425
0.9469
13.80
7.89
450
1.003
14.61
8.80
Pipe Size : 4"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
35
0.07798
0.882
0.041
40
0.08912
1.01
0.052
45
0.1003
1.13
0.064
50
0.1114
1.26
0.076
60
0.1337
1.51
0.107
70
0.1560
1.76
0.143
80
0.1782
2.02
0.180
90
0.2005
2.27
0.224
100
0.2228
2.52
0.272
125
0.2785
3.15
0.415
150
0.3342
3.78
0.580
175
0.3899
4.41
0.774
200
0.4456
5.04
0.985
225
0.5013
5.67
1.23
250
0.5013
6.30
1.46
275
0.6127
6.93
1.79
300
0.6684
7.56
2.11
325
0.7241
8.19
2.47
350
0.7798
8.82
2.84
375
0.8355
9.45
3.25
400
0.8912
10.08
3.68
425
0.9469
10.71
4.12
450
1.003
11.34
4.60
475
1.059
11.97
5.12
500
1.114
12.60
5.65
550
1.225
13.85
6.79
600
1.337
15.12
8.04
Pipe Size : 5"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
70
0.1560
1.12
0.047
80
0.1782
1.28
0.060
90
0.2005
1.44
0.074
100
0.2228
1.60
0.090
125
0.2785
2.01
0.135
150
0.3342
2.41
0.190
175
0.3899
2.81
0.253
200
0.4456
3.21
0.323
225
0.5013
3.61
0.401
250
0.5013
4.01
0.495
275
0.6127
4.41
0.583
300
0.6684
4.81
0.683
325
0.7241
5.21
0.797
350
0.7798
5.62
0.919
375
0.8355
6.02
1.05
400
0.8912
6.42
1.19
425
0.9469
6.82
1.33
450
1.003
7.22
1.48
475
1.059
7.62
1.64
500
1.114
8.02
1.81
550
1.225
8.82
2.17
600
1.337
9.63
2.55
650
1.448
10.43
2.98
700
1.560
11.23
3.43
750
1.671
12.03
3.92
800
1.782
12.83
4.43
850
1.894
13.64
5.00
900
2.005
14.44
5.58
950
2.117
15.24
6.21
1000
2.228
16.04
6.84
1100
2.451
17.65
8.23
Pipe Size : 6"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
100
0.2228
1.11
0.036
125
0.2785
1.39
0.055
150
0.3342
1.67
0.077
175
0.3899
1.94
0.102
200
0.4456
2.22
0.130
225
0.5013
2.50
0.162
250
0.5013
2.78
0.195
275
0.6127
3.05
0.234
300
0.6684
3.33
0.275
325
0.7241
3.61
0.320
350
0.7798
3.89
0.367
375
0.8355
4.16
0.416
400
0.8912
4.44
0.471
425
0.9469
4.72
0.529
450
1.003
5.00
0.590
475
1.059
5.27
0.653
500
1.114
5.55
0.720
550
1.225
6.11
0.861
600
1.337
6.66
1.02
650
1.448
7.22
1.18
700
1.560
7.78
1.35
750
1.671
8.33
1.55
800
1.782
8.88
1.75
850
1.894
9.44
1.96
900
2.005
9.99
2.18
950
2.117
10.55
2.42
1000
2.228
11.10
2.68
1100
2.451
12.22
3.22
1200
2.674
13.33
3.81
1300
2.896
14.43
4.45
1400
3.119
15.55
5.13
1500
3.342
16.66
5.85
1600
3.565
17.77
6.61
1800
4.010
19.99
8.37
2000
4.456
22.21
10.30
Pipe Size : 8"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
225
0.5013
1.44
0.043
250
0.5013
1.60
0.051
275
0.6127
1.76
0.061
300
0.6684
1.92
0.072
325
0.7241
2.08
0.083
350
0.7798
2.24
0.095
375
0.8355
2.40
0.108
400
0.8912
2.56
0.121
425
0.9469
2.73
0.136
450
1.003
2.89
0.151
475
1.059
3.04
0.166
500
1.114
3.21
0.182
550
1.225
3.53
0.219
600
1.337
3.85
0.258
650
1.448
4.17
0.301
700
1.560
4,49
0.343
750
1.671
4.81
0.392
800
1.782
5.13
0.443
850
1.894
5.45
0.497
900
2.005
5.77
0.554
950
2.117
6.09
0.613
1000
2.228
6.41
0.675
1100
2.451
7.05
0.807
1200
2.674
7.70
0.948
1300
2.896
8.33
1.11
1400
3.119
8.98
1.28
1500
3.342
9.62
1.46
1600
3.565
10.26
1.65
1800
4.010
11.54
2.08
2000
4.456
12.82
2.55
2500
5.570
16.03
3.94
300
6.684
19.24
5.59
3500
7.798
22.44
7.56
4000
8.912
25.65
9.80
4500
10.03
28.87
12.20
Pipe Size : 10"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
475
1.059
1.93
0.054
500
1.114
2.03
0.059
550
1.225
2.24
0.071
600
1.337
2.44
0.083
650
1.448
2.64
0.097
700
1.560
2.85
0.112
750
1.671
3.05
0.127
800
1.782
3.25
0.143
850
1.894
3.46
0.160
900
2.005
3.66
0.179
950
2.117
3.86
0.198
1000
2.228
4.07
0.218
1100
2.451
4.48
0.260
1200
2.674
4.88
0.306
1300
2.896
5.29
0.355
1400
3.119
5.70
0.409
1500
3.342
6.10
0.466
1600
3.565
6.51
0.527
1800
4.010
7.32
0.663
2000
4.456
8.14
0.808
2500
5.570
10.17
1.24
3000
6.684
12.20
1.76
3500
7.798
14.24
2.38
4000
8.912
16.27
3.08
4500
10.03
18.31
3.87
5000
11.14
20.35
4.71
6000
13.37
24.41
6.74
7000
15.60
28.49
9.11
Pipe Size : 12"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
700
1.560
2.01
0.047
750
1.671
2.15
0.054
800
1.782
2.29
0.061
850
1.894
2.44
0.068
900
2.005
2.58
0.075
950
2.117
2.72
0.083
1000
2.228
2.87
0.091
1100
2.451
3.15
0.110
1200
2.674
3.44
0.128
1300
2.896
3.73
0.150
1400
3.119
4.01
0.171
1500
3.342
4.30
0.195
1600
3.565
4.59
0.219
1800
4.010
5.16
0.276
2000
4.456
5.73
0.339
2500
5.570
7.17
0.515
3000
6.684
8.60
0.731
3500
7.798
10.03
0.982
4000
8.912
11.47
1.27
4500
10.03
12.90
1.60
5000
11.14
14.33
1.95
6000
13.37
17.20
2.77
7000
15.60
20.07
3.74
8000
17.82
22.93
4.84
9000
20.05
25.79
6.09
10000
22.28
28.66
7.46
12000
26.74
34.40
10.70
Pipe Size : 14"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
850
1.894
2.02
0.042
900
2.005
2.13
0.047
950
2.117
2.25
0.052
1000
2.228
2.37
0.057
1100
2.451
2.61
0.068
1200
2.674
2.85
0.080
1300
2.896
3.08
0.093
1400
3.119
3.32
0.107
1500
3.342
3.56
0.122
1600
3.565
3.79
0.138
1800
4.010
4.27
0.172
2000
4.456
4.74
0.209
2500
5.570
5.93
0.321
3000
6.684
7.11
0.451
3500
7.798
8.30
0.607
4000
8.912
9.48
0.787
4500
10.03
10.67
0.990
5000
11.14
11.85
1.28
6000
13.37
14.23
1.71
7000
15.60
16.60
2.31
8000
17.82
18.96
2.99
9000
20.05
21.34
3.76
10000
22.28
23.71
4.61
12000
26.74
28.45
6.59
14000
31.19
33.19
8.89
Pipe Size : 16"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
1200
2.674
2.18
0.042
1300
2.896
2.36
0.048
1400
3.119
2.54
0.055
1500
3.342
2.72
0.063
1600
3.565
2.90
0.071
1800
4.010
3.27
0.088
2000
4.456
3.63
0.107
2500
5.570
4.54
0.163
3000
6.684
5.45
0.232
3500
7.798
6.35
0.312
4000
8.912
7.26
0.401
4500
10.03
8.17
0.503
5000
11.14
9.08
0.617
6000
13.37
10.89
0.877
7000
15.60
12.71
1.18
8000
17.82
14.52
1.51
9000
20.05
16.34
1.90
10000
22.28
18.15
2.34
12000
26.74
21.79
3.33
14000
31.19
25.42
4.49
16000
35.65
29.05
5.83
18000
40.10
32.68
7.31
20000
44.56
36.31
9.03
Pipe Size : 18"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
1800
4.010
2.58
0.050
2000
4.456
2.87
0.060
2500
5.570
3.59
0.091
3000
6.684
4.30
0.129
3500
7.798
5.02
0.173
4000
8.912
5.74
0.222
4500
10.03
6.46
0.280
5000
11.14
7.17
0.340
6000
13.37
8.61
0.483
7000
15.60
10.04
0.652
8000
17.82
11.47
0.839
9000
20.05
12.91
1.05
10000
22.28
14.34
1.28
12000
26.74
17.21
1.83
14000
31.19
20.08
2.45
16000
35.65
22.95
3.18
18000
40.10
25.82
4.03
20000
44.56
28.69
4.93
Pipe Size : 20"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
3000
6.684
3.46
0.075
3500
7.798
4.04
0.101
4000
8.912
4.62
0.129
4500
10.03
5.20
0.162
5000
11.14
5.77
0.199
6000
13.37
6.93
0.280
7000
15.60
8.08
0.376
8000
17.82
9.23
0.488
9000
20.05
10.39
0.608
10000
22.28
11.54
0.739
12000
26.74
13.85
1.06
14000
31.19
16.16
1.43
16000
35.65
18.47
1.85
18000
40.10
20.77
2.32
20000
44.56
23.08
2.86
Pipe Size : 24"
Discharge
Pressure Drop per 100 feet and Velocity
in Schedule 40 Pipe for Water at 60°
Velocity
Pressure Drop
Gallons Per Minute
Cubic Feet Per Second
Feet Per Second
LBS Per Sq.In.
4000
8.912
3.19
0.052
4500
10.03
3.59
0.065
5000
11.14
3.99
0.079
6000
13.37
4.79
0.111
7000
15.60
5.59
0.150
8000
17.82
6.38
0.192
9000
20.05
7.18
0.242
10000
22.28
7.98
0.294
12000
26.74
9.58
0.416
14000
31.19
11.17
0.562
16000
35.65
12.77
0.723
18000
40.10
14.36
0.907
20000
44.56
15.96
1.12
Water Distribution Pipe Sizing call the Advantage Sales Department at 317-887-0729.
