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Table of friction lost

Technical specifications

This table shows the friction loss in water hose in pounds per square inch per 100 foot length, for straight, smooth bore hose.

Note: Friction loss can vary by up to 20% due to temperature. Bends can increase friction loss by 50%.

Table 1 – 1/2" through 2 1/2" ID Hose - Table 2 - 3" through 12" ID Hose

Flow of
Water
in GPM		 Actual Inside Diameter in Inches
 1/2" 3/4" 1" 1 1/4" 1 1/2" 2 2 1/2"
1 1.41 - - - - - -
2 5.09 0.71 - - - - -
5 27.7 3.85 0.95 0.32 0.13 - -
10 100 13.9 3.42 1.15 0.47 0.12 -
15 - 29.4 7.24 2.44 1.00 0.25 0.08
20 - 50.0 12.3 4.16 1.71 0.42 0.14
25 - 75.6 18.6 6.28 2.59 0.64 0.21
30 - 106 26.1 8.80 3.62 0.89 0.3
35 - 141 34.7 11.7 4.82 1.19 0.4
40 - - 44.4 15.0 6.17 1.52 0.51
45 - - 55.3 18.6 7.67 1.89 0.64
50 - - 67.1 22.7 9.32 2.3 0.77
60 - - 94.1 31.7 13.1 3.22 1.09
70 - - 125 42.2 17.4 4.28 1.44
80 - - - 54.0 22.2 5.48 1.85
90 - - - 67.2 27.7 6.81 2.3
100 - - - 81.7 33.6 8.28 2.79
125 - - - 123 50.8 12.5 4.22
150 - - - - 71.1 17.5 5.91
175 - - - - 94.6 23.3 7.86
200 - - - - 121 29.8 10.1
225 - - - - - 37.1 12.5
250 - - - - - 45.1 15.2
275 - - - - - 53.8 18.1
300 - - - - - 63.2 21.3
350 - - - - - 84 28.3
400 - - - - - 108 36.3
450 - - - - - - 45.1
500 - - - - - - 54.8
600 - - - - - - 76.8
700 - - - - - - 102
800 - - - - - - 131
1000 - - - - - - -

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Commercial fairs

April 05 2012

We will exhibit at the next APOM trade show on September 7th, 2012 which will take place in Beauport, Québec city. Stop by our boot. That will be a pleasure to meet you.

April 05 2012

Municipal AORS trade show
Owen Sound, Ontario, Canada
June 6th and 7th, 2012

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