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