FAQ / Glossary / Air Compressor Ratings Article
What does this terminology mean? see our glossary
Are horsepower ratings of air compressors accurate? Read this article….>
What size pipe do I need? see below
Recommended Pipe Sizes | ||||||||
Length of Pipe In Feet | ||||||||
Air CFM | 25 | 50 | 75 | 100 | 150 | 200 | 250 | 300 |
5 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
10 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
25 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
50 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
75 | 1 | 1 | 1 | 1 | 1-1/4 | 1-1/4 | 1-1/4 | 1-1/4 |
100 | 1-1/4 | 1-1/4 | 1-1/4 | 1-1/4 | 1-1/2 | 1-1/2 | 1-1/2 | 1-1/2 |
150 | 1-1/2 | 1-1/2 | 1-1/2 | 1-1/2 | 1-1/2 | 2 | 2 | 2 |
200 | 2 | 2 | 2 | 2 | 2 | 2 | 2-1/2 | 2-1/2 |
250 | 2 | 2 | 2 | 2-1/2 | 2-1/2 | 2-1/2 | 2-1/2 | 2-1/2 |
300 | 2-1/2 | 2-1/2 | 2-1/2 | 2-1/2 | 2-1/2 | 3 | 3 | 3 |
400 | 3 | 3 | 3 | 3 | 3 | 3 | 3-1/2 | 3-1/2 |
500 | 3 | 3 | 3 | 3 | 3-1/2 | 3-1/2 | 3-1/2 | 3-1/2 |
600 | 3-1/2 | 3-1/2 | 3-1/2 | 3-1/2 | 3-1/2 | 4 | 4 | 4 |
700 | 3-1/2 | 3-1/2 | 3-1/2 | 3-1/2 | 4 | 4 | 4 | 4 |
800 | 3-1/2 | 3-1/2 | 3-1/2 | 4 | 4 | 4 | 4 | 4 |
900 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
1000 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |