Table 3 - Friction Losses Through Pipe Fittings in Terms ...
Engineering Data
Bulletin 90
Engineering Data
Table 3 - Friction Losses Through Pipe Fittings in Terms of Equivalent Lengths of Standard Pipe
Size of Pipe
(Small Dia.)
Standard
Elbow
Medium
Radius
Elbow
?"
?"
1"
1?"
1?"
2"
2?"
3"
3?"
4"
4?"
5"
6"
8"
10"
12"
14"
16"
18"
20"
22"
24"
30"
36"
42"
48"
1.5
2.2
2.7
3.7
4.3
5.5
6.5
8.1
9.5
11.0
12.0
14.0
16.0
21.0
26.0
32.0
36.0
42.0
46.0
52.0
58.0
63.0
79.0
94.0
120.0
135.0
1.4
1.8
2.3
3.0
3.6
4.6
5.4
6.8
8.0
9.1
10
12
14
18
22
26
31
35
40
43
50
53
68
79
95
110
Long Radius
Elbow
45¡ã Elbow
Tee
Return
Bend
Length of Straight Pipe Giving Equivalent Resistance Flow
1.1
.77
3.4
3.8
1.4
1.0
4.5
5.0
1.7
1.3
5.8
6.1
2.4
1.6
7.8
8.5
2.8
2.0
9.0
10
3.5
2.5
11
13
4.2
3.0
14
15
5.1
3.8
17
18
6.0
4.4
19
21
7.0
5.0
22
24
7.9
5.6
24
27
8.9
6.1
27
31
11
7.7
33
37
14
10
43
49
17
13
56
61
20
15
66
73
23
17
76
85
27
19
87
100
30
21
100
110
34
23
110
120
37
25
130
140
40
28
140
150
50
35
165
190
60
43
200
220
72
50
240
260
82
58
275
300
Gate Valve
Open
Globe Valve
Open
Angle Valve
Open
.35
.47
.60
.80
.95
1.2
1.4
1.7
2.0
2.3
2.6
2.9
3.5
4.5
5.7
6.7
8
9
10.2
12
13
14
17
20
23
26
16
22
27
37
44
57
66
85
99
110
130
140
160
220
290
340
390
430
500
560
610
680
860
1000
1200
1400
8.4
12
15
18
22
28
33
42
50
58
61
70
83
110
140
170
190
220
250
280
310
340
420
500
600
680
4
From "Engineering Data on Flow of Fluids In Pipes." - Crane Co.
Table 4 - Capacities Of Water Piping In Buildings - Length 100 Ft.
In U.S. Gallons Per Minute
Size Pipe
?
Pressure
17 lbs.
30 lbs.
40 lbs.
50 lbs.
60 lbs.
75 lbs.
100 lbs.
3.2
5
6
6.5
7
7.5
9
?
1
1?
1?
2
2?
3
9.1
14
16
17.5
19.5
22
25
18.7
28
33
37
40
45
52
33.5
52
60
70
76
85
99
51.6
78
90
101
110
123
142
106
160
184
206
226
253
292
200
308
350
390
430
480
558
290
436
504
564
617
690
797
589
885
1023
1143
1252
1400
1607
SECTION 90
11
PAGE
9/07
DATE
A Crane Co. Company
USA: (937) 778-8947 ? Canada: (905) 457-6223 ? International: (937) 615-3598
Engineering Data
Bulletin 90
Engineering Data
Friction Loss For Water At 60¡ã F Per 100 Feet Of Pipe
New Schedule 40 Steel Pipe - The friction values are from the Hydraulic Institute Pipe Friction Manual. (Copyright 1961). No
allowance has been made for age, differences in any abnormal conditions of interior surface.
Any factor of safety must be estimated from the conditions and the requirements of each installation. For average new installations
it is suggested that at least 15% be added to these friction loss values as a reasonable factor of safety.
15 Year Old Pipe - The friction values for Old Pipe are based on Williams and Hazen coefficient of C=100. Values for 3 inch and
larger sizes are for cast iron pipe; smaller sizes refer to steel pipe. For existing older type installations, these higher values are
generally used for estimating friction losses.
Sewage Lines - To keep raw sewage in suspension in force mains, velocities above 2? feet per second are generally recommended.
Capacity U.S.
Gallon per Minute
?" Pipe
1
2
3
4
5
?" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
New Steel Pipe
Schedule 40
1" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
1? Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
1?" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
15 Year
Old
Line
Pipe
Velocity Velocity Friction Approx. Velocity Velocity Friction Approx. Velocity Velocity Friction Approx. Velocity Velocity Friction Approx. Velocity Velocity Friction Approx.
Head Loss Friction
Head Loss Friction Feet
Head Loss Friction Feet
Head Loss Friction Feet
Feet
Head Loss Friction Feet
to
in
Loss in
to
in
Loss in per
to
in
Loss in per
to
in
Loss in per
per
to
in
Loss in per
Feet
Feet
Feet
Feet Second Feet
Feet Second Feet
Feet
Feet Second Feet
Feet
Feet
Feet Second Feet
Second Feet
1.086
2.11
3.17
4.85
5.98
.0113 1.66
.0683 4.78
.136 10.00
.277 17.10
.422 26.80
2.10
7.57
16.00
27.3
41.2
.602
1.20
1.81
2.41
3.01
.0033
.0332
.0506
.0800
.141
.26
1.21
2.80
4.21
6.32
.43
1.93
4.08
6.94
10.5
.371 .00214
.743 .00637
1.114 .01927
.0342
1.48
.0528
1.86
8
9
10
13
20
6.54
8.48
10.68
.......
.......
.624
1.109
1.73
.......
.......
36.00
52.70
92.80
.......
.......
23
30
33
40
43
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
9.28
11.1
12.0
14.6
.......
50
60
70
80
90
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
100
125
150
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
37.60 3.61
94.30 4.81
143.00 6.02
9.03
.......
....... 12.00
.203
.300
.563
1.27
2.25
5.87 14.2
16.0
25.0
23.0
37.0
49.7 101.3
56.1 136.0
.114
.378
.772
1.29
1.93
.168
.595
1.26
2.14
3.34
.......
.......
.429 .00266
.644 .00444
.606 .01144
1.073 .0179
.......
.102
.207
.342
.508
.704 1.30
1.18
2.04
1.77
3.08
3.76
4.53
8.34 11.10
.0771 2.68
4.84
.137
.214
6.60
.682 14.8
.857 25.1
4.54
7.73
11.7
26.0
42.1
1.24
1.73
2.10
3.23
4.28
1.37
1.93
2.62
3.43
.......
36.5
54.8
74.3
95.0
.......
64.0
80.0
119.0
152.0
.......
5.37
6.44
7.51
8.61
9.67
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
2.22
2.97
3.71
6.87
7.42
10.7
12.6
15.0
17.2
19.3
.......
.......
.......
.0237
.0434
.0712
.1000
.266
.......
.197
.316
.564
.633
.......
.316
.473
.630
.750
.......
.00154
.00347
.00418
.00965
.......
.0492
.098
.164
.242
.......
.041
.156
.267
.403
.946
1.2
1.55
2.37
3.18
.0130
.0247
.0368
.0673
.154
.333
.656
.829
1.74
2.94
.565
.842
1.45
3.04
5.24
.440
.644
.878
1.14
1.43
9.74
13.6
18.2
23.6
28.6
16.8
23.3
31.2
45.0
50.0
3.94
4.73
5.82
6.30
7.09
.341
.347
.473
.618
.780
4.40
6.20
8.40
10.79
13.51
8.3
11.1
14.7
19.6
22.2
1.79
2.57
3.50
4.58
5.79
36.0
51.0
68.8
89.2
112
62.4
54.7
114
144
176
7.88
8.48
11.03
12.6
14.2
.965
1.39
1.89
2.47
2.13
16.4
23.2
31.3
40.8
81.0
28.5
40.0
53.7
68.1
94.7
15.8
19.72
23.8
3.88
6.04
8.65
82.2
98.8
137
103
157
218
.......
.......
.......
.......
.......
.......
.......
.......
.......
SECTION 90
12
PAGE
9/07
DATE
A Crane Co. Company
USA: (937) 778-8947 ? Canada: (905) 457-6223 ? International: (937) 615-3598
Engineering Data
Bulletin 90
Engineering Data
Capacity U.S.
Gallon per Minute
2" Pipe
2?" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
3" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
4" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
.157
.285
.421
1.08
1.55
.402
.536
.67
1.01
1.34
.00231
.00447
.00598
.01583
.0279
.0432
.0712
.105
.217
.302
.073
.12
.182
.381
.654
.......
.......
.434
.551
.868
.......
.......
.00292
.00559
.0117
.......
.......
.0372
.0762
.126
.......
.......
.070
.149
.254
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
1.28
1.82
2.42
3.1
3.85
2.73
3.29
4.27
5.60
5.95
1.58
2.01
2.38
2.68
3.02
.0438
.0628
.0933
.112
.141
.640
.783
1.0
1.25
1.5
.85
1.39
1.84
2.36
2.92
1.088
1.30
1.62
1.74
1.95
.0163
.0263
.0359
.0468
.0593
.189
.262
.347
.443
.547
.383
.537
.714
.914
1.14
.......
.......
.882
1.01
1.13
.......
.......
.0021
.0158
.018
.......
.......
.0947
.1201
.1475
.......
.......
.......
.......
.......
.355
.511
.695
.929
1.15
4.67
6.59
8.88
11.4
14.2
8.46
11.90
15.6
20.2
23.1
3.35
4.02
4.69
5.36
6.03
.174
.251
.342
.447
.265
1.94
2.72
3.83
4.66
5.82
3.56
4.87
5.64
8.5
10.6
2.17
2.60
3.04
3.47
3.91
.0732
.105
.143
.187
.237
.552
.924
1.22
1.57
1.96
1.28
1.94
2.57
3.30
4.10
1.26
1.51
1.78
2.02
2.27
.0247
.0355
.0484
.0532
.060
.176
.245
.325
.415
.516
.34
.47
.63
.81
1.01
1.42
2.24
3.25
4.25
5.68
17.4
27.04
38.0
51.3
66.3
30.5
34.2
64.7
91.2
110
6.70
8.38
10.08
11.73
13.4
.858
.904
1.57
2.14
2.72
7.11
10.8
15.4
20.7
26.7
12.8
18.42
27.3
37.14
46.3
4.34
5.43
6.51
7.50
8.68
.2927
.456
.654
.897
1.17
2.39
3.71
5.14
6.93
5.90
4.98
8.65
10.8
14.07
18.0
2.52
3.15
3.78
4.41
5.04
.0867
.154
.222
.302
.393
.624
.958
1.32
1.78
2.27
1.32
1.85
2.53
3.44
4.40
21.4
25.2
29.3
33.3
38.0
5.54
6.06
6.65
7.06
7.56
.478
.568
.667
.774
.888
2.72
3.21
3.74
4.30
4.88
5.28
6.31
7.20
8.25
9.30
Velocity
Feet
per
Second
Velocity
Head
to
Feet
6
8
10
15
20
.674
.755
.956
1.43
1.91
.00511
.00909
.0142
.0317
.0568
25
30
35
40
45
2.3
2.87
3.36
3.82
4.3
.0888
.128
.174
.227
.288
50
60
70
80
90
4.78
5.74
6.59
7.58
8.8
100
125
150
175
200
9.56
11.97
14.3
16.78
19.1
Friction
Loss
in
Feet
.1004
.166
.248
.517
.866
220
240
260
280
300
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
320
340
360
380
400
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
8.05
8.57
9.07
9.58
10.1
1.01
1.14
1.28
1.43
1.58
5.51
6.19
6.92
7.68
8.47
10.0
11.8
13.1
14.5
15.0
450
500
550
600
650
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
11.34
12.6
13.9
16.1
16.4
1.94
2.47
2.99
3.55
4.17
10.0
13.0
15.7
16.6
21.7
19.8
24.0
25.8
33.8
38.2
700
750
800
850
900
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
17.6
18.9
20.2
21.4
22.7
4.84
5.55
6.32
7.13
8.0
25.0
28.6
32.4
38.8
40.8
45.0
51.1
57.6
64.4
71.6
9.65
10.4
11.3
12.2
13.0
1.42
1.59
1.98
2.29
2.63
10.7
12.6
14.7
15.9
19.2
SECTION 90
13
PAGE
9/07
DATE
A Crane Co. Company
USA: (937) 778-8947 ? Canada: (905) 457-6223 ? International: (937) 615-3598
Engineering Data
Bulletin 90
Engineering Data
Capacity U.S.
Gallon per Minute
5" Pipe
6" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
8" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
10" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
12" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
.115
.161
.214
.275
.341
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.204
.318
.438
.584
.736
.415
.625
.873
1.16
1.50
1.11
1.38
1.67
1.94
2.22
.0192
.030
.043
.0552
.0757
.0842
.127
.177
.238
.299
.140
.280
.320
.480
.520
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.193
.230
.270
.313
.360
.879
1.038
1.20
1.38
1.58
1.75
2.10
2.43
2.79
3.17
2.44
2.06
2.89
3.11
3.33
.0927
.110
.130
.150
.172
.357
.419
.487
.560
.637
.735
.863
1.0
1.15
1.29
1.41
1.54
1.67
1.80
1.92
.0309
.0358
.0432
.0501
.0575
.0928
.1088
.126
.144
.163
.181
.213
.247
.283
.322
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
5.13
5.48
5.77
6.09
6.41
.409
.422
.518
.577
.639
1.78
2.00
2.22
2.46
2.72
3.57
3.99
4.44
4.90
5.39
3.55
3.76
4.00
4.22
4.44
.196
.222
.240
.277
.307
.719
.806
.898
.993
1.09
1.47
1.54
1.83
2.02
2.21
2.08
2.18
2.31
2.44
2.57
.0655
.0739
.0828
.0973
.102
.184
.206
.229
.253
.279
.346
.408
.452
.496
.548
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
450
500
550
600
650
7.22
8.02
8.82
9.62
10.4
.809
.999
1.71
1.44
1.69
3.41
4.16
4.96
5.88
6.87
6.70
8.15
9.72
11.70
13.2
5.00
5.55
6.11
6.66
7.22
.388
.479
.580
.690
.810
1.36
1.66
1.99
2.34
2.73
2.65
2.80
2.93
4.7
5.4
2.89
3.21
3.53
3.85
4.17
.129
.150
.193
.230
.271
.348
.424
.507
.597
.694
.681
.828
.970
1.14
1.34
1.63
2.03
2.24
2.44
2.64
.0521
.0643
.0778
.0928
.109
.114
.138
.164
.192
.224
.21
.28
.33
.38
.46
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
700
750
800
850
900
11.2
12.0
12.8
13.6
14.4
1.96
2.25
2.56
2.69
3.24
7.93
9.08
10.22
11.8
12.9
15.2
17.5
19.4
21.7
24.2
7.77
8.33
8.68
9.44
9.99
.979
1.08
1.23
1.38
1.55
3.13
3.57
4.03
4.53
5.05
6.2
7.0
8.0
8.95
10.11
4.49
4.81
5.13
5.45
5.77
.313
.360
.409
.462
.518
.797
.907
1.02
1.147
1.27
1.54
1.74
1.97
2.28
2.46
2.85
3.08
3.25
3.45
3.66
.126
.145
.165
.186
.206
.258
.291
.328
.368
.410
.52
.59
.67
.75
.83
2.01
2.13
2.39
2.44
2.58
.0626
.0718
.0817
.0922
.103
950
1,000
1,100
1,200
1,300
15.2
16.0
17.6
19.2
20.5
3.81
4.00
4.84
5.76
6.75
14.3
15.5
19.0
22.5
26.3
26.7
29.4
35.0
41.1
47.7
10.5
11.1
12.2
13.3
14.4
1.73
1.92
2.32
2.76
3.24
5.60
6.17
7.41
8.78
10.2
10.8
12.04
14.31
16.69
19.7
6.09
6.41
7.05
7.70
8.34
.577
.639
.773
.920
1.08
1.41
1.56
1.87
2.20
2.66
2.87
3.02
3.51
4.15
4.85
3.87
4.07
4.45
4.86
5.29
.232
.257
.311
.370
.435
.458
.50
.60
.702
.818
.91
1.01
1.30
1.46
1.62
2.72
2.87
3.18
3.44
3.73
1,400
1,500
1,600
1,800
2,000
22.8
24.1
26.7
.......
.......
7.83
8.99
10.2
.......
.......
30.4
34.8
39.5
.......
.......
54.7
62.2
70.1
.......
.......
15.5
16.7
17.5
20.0
22.2
3.76
4.31
4.91
6.21
7.67
11.8
13.5
16.4
19.4
23.8
22.5
25.8
28.9
35.9
43.6
8.88
9.62
10.3
11.5
12.8
1.25
1.44
1.64
2.07
2.56
2.95
3.37
3.82
4.79
5.86
5.50
6.27
7.15
8.80
10.71
5.70
6.1
6.51
7.32
8.14
.504
.579
.659
.834
1.03
.94
1.07
1.21
1.52
1.88
1.87
2.09
2.39
2.93
3.65
2,500
3,000
3,500
4,000
4,500
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
16.03
19.2
22.44
25.7
28.9
3.99
5.75
8.19
10.2
12.9
9.1
12.8
17.4
22.6
28.5
15.3
22.8
30.3
38.6
48.2
10.17
12.2
14.24
16.3
18.3
1.56
2.32
3.14
4.12
5.21
2.86
4.08
5.49
7.07
8.86
5,000
6,000
7,000
8,000
9,000
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
32.1
.......
.......
.......
.......
16.0
.......
.......
.......
.......
35.1
.......
.......
.......
.......
58.6
.......
.......
.......
.......
20.3
24.4
28.5
32.6
36.6
6.43
9.26
12.6
16.5
20.8
10,000
12,000
14,000
16,000
18,000
20,000
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
40.7
.......
.......
.......
.......
.......
25.7
.......
.......
.......
.......
.......
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
50
60
70
80
90
.802
.862
1.12
1.26
1.44
.00999
.0144
.0196
.0256
.0324
.0682
.0814
.1076
.136
.169
100
125
150
175
200
1.80
2.01
2.41
2.81
3.21
.040
.0627
.0918
.123
.160
220
240
260
280
300
3.53
3.85
4.17
4.49
4.81
320
340
360
380
400
.108
.134
.14
.158
.173
.22
.24
.27
.31
.34
.115
.138
.154
1.84
.216
.181
.210
.281
.298
.344
.39
.41
.49
.57
.67
4.01
4.30
4.89
6.16
6.73
.25
.287
.327
.414
.511
.395
.450
.509
.636
.776
.78
.85
.98
1.21
1.81
5.44
7.62
10.39
13.1
16.3
7.17
8.6
10.03
11.15
12.9
.798
1.15
1.58
2.05
2.59
10.9
15.6
21.1
27.8
34.6
19.8
27.7
36.9
48.5
51.2
14.3
17.2
20.1
22.8
25.5
28.7
42.5
.......
.......
.......
.......
.......
75.4
.......
.......
.......
.......
.......
34.4
40.1
45.9
51.6
57.3
1.18
1.58
2.26
2.92
3.66
2.28
3.15
4.21
5.39
6.70
3.19
4.5
6.26
8.17
10.3
12.8
4.47
6.39
8.63
11.2
14.1
17.4
8.15
11.4
15.2
19.4
24.7
29.4
18.3
25
33.7
41.4
51.1
24.6
33.5
43.7
55.2
68.1
41.2
54.7
73.2
91.8
113.0
SECTION 90
14
PAGE
9/07
DATE
A Crane Co. Company
USA: (937) 778-8947 ? Canada: (905) 457-6223 ? International: (937) 615-3598
Engineering Data
Bulletin 90
Engineering Data
Capacity U.S.
Gallon per Minute
14" Pipe
16" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
18" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
20" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
24" Pipe
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
15 Year
Old
Line
Pipe
New Steel Pipe
Schedule 40
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
Approx.
Friction
Loss in
Feet
.0872
.993
.106
.13
.14
.16
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.0786
.0874
.106
.126
.148
.120
.131
.157
.185
.215
.18
.19
.23
.26
.31
.......
.......
.......
2.18
2.36
.......
.......
.......
.0736
.0865
.......
.......
.......
.0963
.1106
.......
.......
.......
.14
.16
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
3.23
3.66
3.79
4.27
4.74
.171
.197
.224
.283
.349
.247
.281
.317
.395
.483
.36
.39
.44
.55
.81
2.54
2.72
2.90
3.27
3.63
.1004
.149
.131
.156
.205
.127
.148
.163
.203
.248
.18
.21
.24
.30
.46
2.01
2.18
2.30
2.58
2.87
.0527
.0718
.0819
.1056
.126
.0719
.082
.092
.114
.139
.108
.120
.138
.171
.206
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
.......
2,500
3,000
3,500
4,000
4,500
5.93
7.11
8.3
9.48
10.1
.545
.786
1.07
1.4
1.77
.738
1.04
1.40
1.81
2.27
1.07
1.47
1.99
2.55
3.17
4.84
5.45
6.35
7.26
8.17
.320
.461
.627
.820
1.04
.377
.536
.718
.921
1.16
.55
.80
1.06
1.33
1.65
3.59
4.30
5.02
5.74
6.45
.20
.288
.392
.512
.647
.211
.297
.397
.511
.639
.314
.440
.586
.750
.932
2.89
3.46
4.04
4.62
5.19
.129
.186
.254
.331
.419
.123
.174
.232
.298
.372
.188
.254
.351
.449
.56
1.99
2.39
2.79
3.19
3.59
.0618
.0891
.121
.158
.20
.0499
.07
.0934
.12
.149
.07
.10
.14
.18
.226
5,000
6,000
7,000
8,000
9,000
11.9
14.2
15.6
19.0
21.3
2.18
3.14
4.28
5.59
7.08
2.78
3.96
5.32
6.9
8.7
3.85
5.39
7.17
9.18
11.4
9.08
10.9
12.7
14.5
16.3
1.28
1.84
2.51
3.28
4.15
1.41
2.01
2.69
3.49
4.38
2.01
2.82
3.75
4.79
5.96
7.17
8.51
10.0
11.5
12.9
.799
1.15
1.57
2.05
2.59
.781
1.11
1.49
1.93
2.42
1.13
1.59
2.11
2.70
3.36
5.77
6.02
8.08
9.23
10.39
.517
.745
1.014
1.32
1.68
.455
.645
.862
1.11
1.39
.679
.951
1.26
1.82
2.04
3.89
4.79
5.59
6.38
7.15
.247
.356
.485
.633
.801
.161
.257
.343
.441
.551
.27
.38
.52
.66
.82
10,000
12,000
14,000
16,000
18,000
20,000
23.7
28.6
33.2
37.9
42.7
47.4
8.74
12.5
17.1
22.4
28.3
34.9
13.9
19.4
25.9
33.1
41.2
50.0
18.2
21.6
26.4
29.0
32.7
36.3
5.12
7.38
10.04
13.1
16.6
20.5
5.38
7.68
10.4
13.6
17.2
21.2
7.25
10.2
13.5
17.2
21.5
26.1
14.3
17.2
20.1
22.9
25.6
28.7
4.06
5.72
7.61
9.74
12.1
14.7
11.5
13.8
16.2
18.5
20.8
23.1
2.07
2.98
4.35
5.3
6.71
8.28
1.70
2.44
3.29
4.26
5.35
6.56
2.45
3.43
4.56
5.84
7.26
8.82
7.98
9.58
11.2
12.8
14.4
16.0
.989
1.42
1.94
2.53
3.21
3.96
.571
.959
1.29
1.67
2.10
2.58
1.0
1.4
1.86
2.42
2.98
3.61
Velocity
Feet
per
Second
Velocity
Head
to
Feet
Friction
Loss
in
Feet
800
850
900
1.90
2.02
2.13
.0559
.0634
.0706
950
1,000
1,100
1,200
1,300
2.26
2.37
2.61
2.86
3.08
1,400
1,500
1,600
1,800
2,000
10.7
15.2
20.7
26.8
33.8
41.9
3.2
4.6
6.27
9.19
10.05
12.8
2.97
4.21
5.69
7.41
9.33
11.6
SECTION 90
15
PAGE
9/07
DATE
A Crane Co. Company
USA: (937) 778-8947 ? Canada: (905) 457-6223 ? International: (937) 615-3598
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