Boat Long Circular Sunk Type Manhole Cover Without Shield CB/T 19-2001 Model D1 Long Circular Sunk Type Manhole Cover Without Shield Nominalsize L1 L2 L3 B1 B2 B3 S Fastener Weight(kg) Diameter Quantity 450*350 450 570 620 350 470 520 14 M2...
Boat Long Circular Sunk Type Manhole Cover Without Shield
CB/T 19-2001
Model D1
Long Circular Sunk Type Manhole Cover Without Shield
Nominal size |
L1 |
L2 |
L3 |
B1 |
B2 |
B3 |
S |
Fastener |
Weight(kg) |
Diameter |
Quantity |
450*350 |
450 |
570 |
620 |
350 |
470 |
520 |
14 |
M20 |
16 |
116.6 |
16 |
121.6 |
18 |
128.6 |
600*400 |
600 |
720 |
770 |
400 |
520 |
520 |
14 |
20 |
136.1 |
16 |
142.2 |
18 |
149.5 |
800*600 |
800 |
920 |
970 |
600 |
720 |
770 |
14 |
26 |
171.5 |
18 |
182.6 |
20 |
206.8 |
800*400 (Oval) |
800 |
930 |
980 |
400 |
530 |
580 |
14 |
24 |
102.8 |
16 |
118.2 |
20 |
146.2 |
Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.
Marked sample: Oval Sunk type manhole cover without shield which nominal size 600*400, cover plate thickness 14 .
Marked as: MANHOLE COVER D1 600*400-14 CB/T 19-2001