FYI #294

Find the ID of your pipe or mold passage and follow across to find the minimum recommended flow rate for turbulent flow.

Types Of Flow

Turbulent
Chart showing the water turbulance of Turbulent flow.

  • Wall Scrubbing
  • Best Heat Transfer
Laminar
Chart showing the water turbulance of Turbulent flow.

  • Creates Boundary Layers
  • Poor Heat Transfer
Passage Diameter
Flow Rate
Inches
Millimeters
Gallons per Minute
Liters per Minute
1/8
3.18
0.45
1.67
1/4
6.35
0.89
3.35
7/16
11.11
1.56
5.86
1/2
12.70
1.79
6.70
5.8
15.88
2.23
8.37
3/4
19.05
2.68
10.04
1
25.40
3.57
13.39
Download the PDF document
Download PDF