Manholes > Steel Ring Manholes
Rolled Steel Ring Manholes
Note** Custom sizes are available upon request for rolled steel rings only.
Specifications:
Cover – 3/8″ Reinforced Floor Plate, Complies with H20 Rating
Gasket – Low swell, High Nitrile Buna N Rubber
Skirt – 14 Guage Galvanized Sheet Metal
Bolt Down – 3/8″ Hex Bolt Lock Down
Options:
Add letters “OOCL7″ for 7” Observation Port
Add letters “OOCL12″ for 12” Observation Port
| Size (Screw and Gasket) | Part Number | One Lift Handle | Two Lift Handles |
|---|---|---|---|
| 12" | 8011 | N/A | N/A |
| 16" | 8020 | N/A | N/A |
| 18" | 8029 | N/A | N/A |
| 24" | 8034 | YES | N/A |
| 30" | 8039 | YES | N/A |
| 37" | 8044 | N/A | YES |
| 42" | 8049 | N/A | YES |
| 48" | 8054 | N/A | YES |
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