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In observance of President's Day, the US Postal Service will be closed on Monday, February 15th, 2016. Orders shipping via US Postal will ship on Tuesday, February 16th. UPS orders will ship as scheduled. Thank you.

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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