Table
90-Degree Elbow Sweep Radius by Conduit Type
90-Degree Elbow Sweep Radius by Conduit Type reference with assumptions and boundary notes.
Reference boundary
Elbow geometry reference only. Raceway type, manufacturer catalogues, pull planning, and field conditions govern actual fittings.
Reference table
Reference common 90-degree elbow centerline-radius examples by trade size and elbow style.
| Trade size | Elbow type | Centerline radius (mm) | Centerline radius (in) | Boundary |
|---|---|---|---|---|
| 1/2 in | standard | 102 | 4.02 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 3/4 in | standard | 114 | 4.49 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 1 in | standard | 146 | 5.75 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 1-1/4 in | standard | 184 | 7.24 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 1-1/2 in | standard | 210 | 8.27 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 2 in | standard | 152 | 5.98 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 2 in | large radius | 305 | 12.01 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 3 in | large radius | 381 | 15 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
| 4 in | large radius | 610 | 24.02 | Catalogue geometry reference only; fitting manufacturer data governs actual sweep radius |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.