Norwegian standard for medium-duty marine manhole covers. Offering enhanced durability and sealing performance in moderate to harsh maritime conditions.
Nominal Size | L x H x Radius | Weight |
---|---|---|
450 x 350 | 600 x 500 x 200 | / |
600 x 400 | 750 x 550 x 275 | 58 |
700 x 500 | 850 x 650 x 325 | 75 |