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In observance of Independence Day, we will be closed on Friday, July 3rd, 2015. All Website orders placed after 3pm (PST) Thursday July 2rd, will be shipped on Monday, July 6th. Thank You and have a Safe and Happy 4th!

Table Velocity Flows same for all








Schedule 40 thermoplastic pipe



















VELOCITY FLOWS


























SCHEDULE 40 PVC PIPE















  Nominal Pipe Size  
Velocity 1/2 in 3/4 in 1 in 1-1/4 in 1-1/2 in 2 in 2-1/2 in 3 in 4 in 6 in 8 in 10 in 12 in Velocity
ft/s Flow: gpm* ft/s
1 0.9 1.6 2.6 4.5 6.2 10.3 14.6 22.7 39.1 89.0 154.4 243.6 346.0 1
2 1.8 3.2 5.2 9.1 12.4 20.5 29.3 45.3 78.3 178.1 308.8 487.2 692.0 2
3 2.7 4.7 7.8 13.6 18.6 30.8 43.9 68.0 117.4 267.1 463.2 730.9 1038.1 3
4 3.5 6.3 10.4 18.1 24.8 41.0 58.5 90.6 156.5 356.2 617.6 974.5 1384.1 4
5 4.4 7.9 13.0 22.6 30.9 51.3 73.2 113.3 195.6 445.2 772.0 1218.1 1730.1 5
6 5.3 9.5 15.6 27.2 37.1 61.5 87.8 135.9 234.8 534.2 926.4 1461.7 2076.1 6
7 6.2 11.1 18.1 31.7 43.3 71.8 102.4 158.6 273.9 623.3 1080.9 1705.4 2422.1 7
8 7.1 12.7 20.7 36.2 49.5 82.1 117.1 181.2 313.0 712.3 1235.3 1949.0 2768.1 8
9 8.0 14.2 23.3 40.8 55.7 92.3 131.7 203.9 352.2 801.4 1389.7 2192.6 3114.2 9
10 8.9 15.8 25.9 45.3 61.9 102.6 146.3 226.5 391.3 890.4 1544.1 2436.2 3460.2 10
11 9.8 17.4 28.5 49.8 68.1 112.8 161.0 249.2 430.4 979.4 1698.5 2679.9 3806.2 11
12 10.6 19.0 31.1 54.3 74.3 123.1 175.6 271.8 469.5 1068.5 1852.9 2923.5 4152.2 12
13 11.5 20.6 33.7 58.9 80.5 133.3 190.2 294.5 508.7 1157.5 2007.3 3167.1 4498.2 13
14 12.4 22.2 36.3 63.4 86.6 143.6 204.9 317.1 547.8 1246.6 2161.7 3410.7 4844.3 14
15 13.3 23.7 38.9 67.9 92.8 153.9 219.5 339.8 586.9 1335.6 2316.1 3654.4 5190.3 15
* Flows calculated with factors in Table 320 may vary slightly due to rounding off of factors.


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