NORPRO NS-6261 & NS-6262 Manhole Covers can be bulkhead mounted, or on deck with the NS-6263 flush version.
With ring.
With coaming.
| Nominal sizes | Weight | ||
| L x H x Radius | NS-6261 type | NS-6262 type | |
| 450 x 350 600 x 400 700 x 500 | 600 x 500 x 200 750 x 550 x 275 850 x 650 x 325 | A>35 / B>42 A>46 / B>56 A>59 / B>69 | / 58 75 |
| Welded stods | Hexagonal bolts |
 |  |
Available in steel, aluminium or 316C stainless stell.
Various gasket types available.
NORPRO NS-6263 Manhole Covers can be mounted on deck, flush version.
| Nominal sizes | Weight NS-6263 type | |
| L x H x Radius | ||
| 494 x 394 620 x 420 720 x 520 | 632 x 532 x 204 755 x 558 x 279 858 x 658 x 329 | 80 100 |
Available in steel, aluminium or 316C stainless stell.
Various gasket types available.
Contact class surveyor for advice on under deck support of all load carrying equipment.