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Long Circular Manhole Cover With Coaming

  • DEYUAN MARINE

Product Description

CB/T 19-2001                                                                                                   
Model A
Long Circular Manhole Cover With Coaming

Model Nominal size L1 L2 L3 B1 B2 B3 S Fastener Weight(kg)
Diameter Quantity
A 450*350 450 470 570 350 370 470 4 M20 16 23.2
6 30.8
8 36.9
10 45.8
600*400 600 620 780 400 420 520 6 20 48.8
8 59.2
10 69.3
12 79.6
800*600 800 820 920 600 620 720 8 26 52.4
10 65.8
12 78.2
14 90.2

Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.
Marked sample Long circular manhole cover with coaming which nominal size 600*400, cover plate thichness 10 .
Marked as MANHOLE COVER A 600*400-10 CB/T19-2001
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