Sterlco 140 to 6,285 Gallon Pump Tanks - Manual (Page 13)

Pump Tanks Chapter 3: Installation 13 of 36
Figure 1: Pipe Sizing Guide
Pipe Sizing Guide
Pipe Size Flow-Steel Pipe Flow-PVC Pipe
1/2 2 2
3/4 5 5
1 10 10
1 1/4 20 20
1 1/2 30 30
2 50 55
2 1/2 100 100
3 160 160
4 320 320
6 900 1000
8 2000 2100
10 3500 3700
12 5000 5800
Based on 10’ head loss/100’ of pipe (new pipe) — open piping systems. A safety factor of 15
to 20% should be added based on local conditions.