Transcription of Pipe Friction Loss Charts
1 Customer Service: (888) 782-7483 Fax Orders: (800) 426-9446 Pentair Water Delavan, WI 53115 USA (5/11)1 pipe Friction loss Charts pipe and Equivalent Length of pipe Type Fitting Fitting Material Nominal Size Fitting and pipe and Application (Note 1) 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 Threaded Adapter Plastic or Copper Copper 1 1 1 1 1 1 1 to Thread Plastic 3 3 3 3 3 3 3 90 Standard
2 Steel 2 3 3 4 4 5 6 Elbow Copper 2 3 3 4 4 5 6 Plastic 4 5 6 7 8 9 10 Insert Coupling Plastic 3 3 3 3 3 3
3 3 Steel 4 5 6 8 9 11 14 Standard Tee Copper 4 5 6 8 9 11 14 Plastic 7 8 9 12 13 17 20 Gate Valve Note (2)
4 2 3 4 5 6 7 8 Friction LOSSES THROUGH FITTINGS IN TERMS OF EQUIVALENT LENGTHS OF pipe 1-1/2" 2" 2-1/2" Flow Velocity Plastic Steel Copper Flow Velocity Plastic Steel Copper Flow Velocity Plastic Steel Copper Gal. Plastic C = 140 C = 100 C = 130 Gal. Plastic C = 140 C = 100 C = 130 Gal. Plastic C = 140 C = 100 C = 130 Min. ft / sec ID " ID " ID " Min. ft / sec ID " ID " ID " Min.
5 Ft / sec ID " ID " ID " 4 10 20 6 15 30 8 20 40 10 25 50 12 30 60 14 35 70 16 40 80 18 45 90 20 50
6 100 25 5 55 110 30 6 7 60 120 18 35 70 130 12 40 12 80 140 45 90 150 50 100 160 55 34 110 170 60 40 120 180
7 65 29 130 190 70 140 200 25 75 38 150 35 220 80 160 240 85 170 44 260 90 180 280 95 190 54 100 62 300 100 103
8 200 110 68 loss OF HEAD IN FEET DUE TO Friction PER 100 FEET OF pipe 1/2" 3/4" 1" 1-1/4" Flow Velocity Plastic Steel Copper Flow Velocity Plastic Steel Copper Flow Velocity Plastic Steel Copper Flow Velocity Plastic Steel Copper Gal. Plastic C = 140 C = 100 C = 130 Gal. Plastic C = 140 C = 100 C = 130 Gal.
9 Plastic C = 140 C = 100 C = 130 Gal. Plastic C = 140 C = 100 C = 130 Min. ft / sec ID .622" ID .622" ID .625" Min. ft / sec ID .824" ID .824" ID .822" Min. ft / sec ID " ID " ID " Min. ft / sec ID " ID " ID " 2 4 0 .304 1 2 3 5 4 6 2 3 5 7
10 6 8 3
