Hose Sizes
Dash Size |
Inside
Diameter |
Nominal
"NW" or "DN" |
|
in. |
mm |
||
-3 |
3/16 |
4.8 |
4 |
-4 |
1/4 |
6.3 |
6 |
-5 |
5/16 |
7.9 |
8 |
-6 |
3/8 |
9.5 |
10 |
-8 |
1/2 |
12.7 |
13 |
-10 |
5/8 |
15.9 |
16 |
-12 |
3/4 |
19.1 |
20 |
-16 |
1 |
25.4 |
25 |
-20 |
1-1/4 |
31.8 |
32 |
-24 |
1-1/2 |
38.1 |
38 |
-32 |
2 |
50.8 |
50 |
Ref. Catalog Page 44 (Chart 9)
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