Access and Inspection Covers
Manhole: Maintenance opening especially for drinking water supply, pressure-resistant up to 5 m water column.
Inspection hatch: Inspection opening in the underwater area, pressure-resistant up to 10 m water column.
Manhole: Maintenance opening especially for drinking water supply, pressure-resistant up to 5 m water column.
Inspection hatch: Inspection opening in the underwater area, pressure-resistant up to 10 m water column.
