Head Loss per 100′ – Sch.40 PVC

Head Loss per 100′ – Sch.40 PVC
½”
GPM
Head Loss		 ½
0.40′		 1
1.28′		 1½
2.58′		 2
4.24′		 2½
6.25′		 3
8.59′		 3½
11.25′		 4
14.22′		 4½
17.50′		 5
21.07′
¾”
GPM
Head Loss		 1
0.35′		 2
1.16′		 3
2.34′		 4
3.86′		 5
5.71′		 6
7.86′		 7
10.32′		 8
13.07′		 9
16.10′		 10
19.41′
1″
GPM
Head Loss		 2
0.35′		 3
0.70′		 4
1.14′		 5
1.69′		 6
2.32′		 7
3.04′		 8
3.85′		 9
4.74′		 10
5.71′		 12
7.88′		 14
10.36′
1¼”
GPM
Head Loss		 5
0.51′		 6
0.70′		 7
0.91′		 8
1.15′		 9
1.42′		 10
1.71′		 12
2.35′		 15
3.49′		 20
5.81′		 25
8.65′		 30
11.98′
1½”
GPM
Head Loss		 8
0.55′		 9
0.67′		 10
0.81′		 12
1.12′		 15
1.65′		 20
2.75′		 25
4.09′		 30
5.65′		 35
7.45′		 40
9.45′		 45
11.68′
2″
GPM
Head Loss		 16
0.55′		 18
0.68′		 20
0.82′		 25
1.22′		 30
1.68′		 35
2.21′		 40
2.80′		 45
3.46′		 50
4.17′		 60
5.79′		 70
7.63′		 80
9.70′
2½”
GPM
Head Loss		 35
0.88′		 40
1.12′		 45
1.38′		 50
1.66′		 60
2.30′		 70
3.03′		 80
3.85′		 90
4.75′		 100
5.74′		 110
6.82′		 120
7.98′		 130
9.22′
3″
GPM
Head Loss		 50
0.63′		 60
0.87′		 70
1.15′		 80
1.45′		 90
1.80′		 100
2.17′		 110
2.57′		 120
3.01′		 130
3.47′		 140
3.97′		 150
4.50′		 160
5.05′

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