Marine Long Circular Sunk Type Manhole Cover For Ship
CB/T 19-2001
Model C1
Long circular Sunk type manhole cover with shield
| Model | Nominal size | L1 | L2 | L3 | B1 | B2 | B3 | S | Fastener | Weight(kg) | |
| L*B mm | mm | Diameter | Quantity | ||||||||
| C1 | 450*350 | 450 | 470 | 650 | 350 | 470 | 550 | 10 | M20 | 16 | 116.6 |
| 12 | 121.6 | ||||||||||
| 14 | 128.6 | ||||||||||
| 600*400 | 600 | 720 | 800 | 400 | 520 | 600 | 10 | 20 | 136.1 | ||
| 12 | 142.2 | ||||||||||
| 14 | 149.5 | ||||||||||
| 800*600 | 800 | 920 | 1000 | 600 | 720 | 800 | 12 | 26 | 171.5 | ||
| 14 | 182.6 | ||||||||||
| 18 | 206.8 | ||||||||||
| C2 | 800*400 (Oval) | 800 | 930 | 1010 | 400 | 530 | 610 | 12 | 24 | 102.8 | |
| 14 | 118.2 | ||||||||||
| 18 | 146.2 | ||||||||||
Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.
Marked sample Oval sunk manhole cover with shield which nominal size 600*400, cover plate thickness 12 .
Marked as MANHOLE COVER C1 600*400-12 CB/T 19-2001
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