Manhole gaskets are common replacement items. Weld collars are often sold separately from the manhole. A clamp ring is used to hold the manhole cover to the collar with a gasket seal between. Collars must be fixtured during welding to tank to ensure they remain flat and round.
SPECIFICATIONS:
| BRAND: | Betts |
| SIZE: | 20" |
| MATERIAL: | Buna-N |
| WEIGHT: | .5 lb. |
