NORPRO NS-6261 & NS-6262 Manhole Covers can be bulkhead mounted, or on deck with the NS-6263 flush version.

manhole-ns6263

With ring.

manhole-ns6262

With coaming.

Nominal sizes
 
 Weight
L x H x RadiusNS-6261 typeNS-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 stodsHexagonal bolts
manhole-weldedstodsmanhole-hexagonalbolts

Available in steel, aluminium or 316C stainless stell.
Various gasket types available.

NORPRO NS-6263 Manhole Covers can be mounted on deck, flush version.

manhole-ns6261

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
62
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.