
Pipe Sizes For Water Distribution System Design
FM 3-34.471 D-2 Pipe Sizes For Water Distribution System Design Pressure at Source (psi) 20 40 60 80 100 120 140 160 180 200 1 Inch 10 40 28 22 18 16 15 14 13 12 11 20 55 40 32 27 24 22 20 19 18 16 30 70 50 40 34 30 27 25 23 22 20 40 80 58 45 40 35 32