CB/T 19-2001 Model B2 Oval Flat Type Manhole Cover Model Nominalsize L1 L2 L3 B1 B2 B3 S Fastener Weight(kg) Diameter Quantity B1 450*350 450 470 570 350 370 470 4 M20 16 28.9 6 33.8 8 37.2 10 41.2 600*400 600 620 720 400 420 520 8 20 49.5...
CB/T 19-2001
Model B2
Oval Flat Type Manhole Cover
|
Model |
Nominal size |
L1 |
L2 |
L3 |
B1 |
B2 |
B3 |
S |
Fastener |
Weight(kg) |
|
Diameter |
Quantity |
|
B1 |
450*350 |
450 |
470 |
570 |
350 |
370 |
470 |
4 |
M20 |
16 |
28.9 |
|
6 |
33.8 |
|
8 |
37.2 |
|
10 |
41.2 |
|
600*400 |
600 |
620 |
720 |
400 |
420 |
520 |
8 |
20 |
49.5 |
|
10 |
55.6 |
|
12 |
61.2 |
|
14 |
67.6 |
|
800*600 |
800 |
820 |
920 |
600 |
620 |
720 |
12 |
26 |
67.2 |
|
14 |
75.2 |
|
16 |
82.8 |
|
18 |
89.9 |
|
B2 |
800*400 (Oval) |
800 |
830 |
930 |
400 |
430 |
530 |
12 |
24 |
56.8 |
|
14 |
63.2 |
|
16 |
69.2 |
|
18 |
76.2 |
Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.
Marked sample Long circular flat type manhole cover which nominal size 600*400, cover plate thickness 10.
Marked as MANHOLE COVER B1 600*400-10 CB/T19-2001
