Pipe Diameter and Circumference for Industrial Softeners and Filters

Pipe Diameter and Circumference for Industrial Softeners and Filters Chart

Use this helpful chart to correlate the pipe size, outside diameter, and circumference of a pipe in your industrial water treatment projects. For water softener system sizing, and other sizing calculators including reverse osmosis and industrial filtration, click the links below.

Outside 
Pipe Type Pipe Size Diameter (O.D. -inches) Circumference (inches)
Sch 40 Galvanized 3/4 1.05 3.3
Sch 40 Galvanized 1 1.315 4.1
Sch 40 Galvanized 1 1/4 1.66 5.2
Sch 40 Galvanized 1 1/2 1.9 6.0
Sch 40 Galvanized 2 2.375 7.5
Sch 40 Galvanized 2 1/2 2.875 9.0
Sch 40 Galvanized 3 3.5 11.0
Sch 40 Galvanized 4 4.5 14.1
Sch 40 Galvanized 6 6.625 20.8
Sch 40 Galvanized 8 8.625 27.1
Sch 40 Galvanized 10 10.75 33.8
Sch 40 Galvanized 12 12.75 40.0

Industrial Water Softener Valve Repair Diagram for Aquamatic and Similar Valves >>
Do you need to replace or repair your industrial water softener valve? This interactive diagram will help.


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