Marine Manhole Cover CB/T19-2001

  • Category:Marine Cover
  • Material:Steel
  • Standards:CB/T19-2001
  • Certificate:CCS, BV, ABS, GL, LR, DNV, NK,RINA, KR,IRS
  • Packing Details:Iron Pallet
  • Fob Price:Get Latest Price Now
  • Place of Origin:China
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Details

China Marine Manhole Cover CB/T19-2001:

Standard: CB/T19-2001

Marine Manhole Cover is used for manhole on the oil tanks, water tanks, voil tanks and other tanks on various shipes. It is fixed on the falt positions on the hold bottom, deck and bulkhead.There are Type A,B,C & D. The shape can be round, oval, square.

Material:

Cover: Carbon Steel

Coaming: Carbon Steel

Seal Ring: NBR

Bolt, Nut, Washer: Stainless Steel, Caron Steel , Copper

Marine Manhole Cover Type A:

Manhole Cover Type A is also called as Marine Rising Manhole Cover.

Main Size List(mm):

Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
LxB Diamter Quantity kgs
A 450x350 450 470 570 350 370 470 4 M20 16 23.2
6 30.8
8 36.9
10 45.8
600x400 600 630 720 400 420 520 6 20 48.8
8 59.2
10 69.3
12 79.6
800x600 800 820 920 600 620 720 8 26 52.4
10 65.8
12 78.2
14 90.2

*The coaming height (100MM in the drawing) can be adjusted according to the customer's request.

Marine Manhole Cover Type B:

Manhole Cover Type B is also called as Marine Flush Manhole Cover.

Main Size List(mm):

Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
LxB Diamter Quantity kgs
B1 450x350 450 470 570 350 370 470 4 M20 16 28.9
6 33.8
8 37.2
10 41.2
600x400 600 630 720 400 420 520 8 20 49.5
10 55.6
12 61.2
14 67.6
800x600 800 820 920 600 620 720 12 26 67.2
14 75.2
16 82.8
18 89.9
B2 800x400 (Oval) 800 830 930 400 430 530 12 24 56.8
14 63.2
16 69.2
18 76.2


Marine Manhole Cover Type C:

Manhole Cover Type C is Marine Sunk Manhole Cover.And in GB11628-89, it is Type D.

Main Size List(mm):

Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
LxB Diamter Quantity kgs
C1 450x350 450 470 650 350 470 550 10 M20 16 116.6
12 121.6
14 128.6
600x400 600 720 800 400 520 600 10 20 136.1
12 142.2
14 149.5
800x600 800 920 1000 600 720 800 12 26 171.5
14 182.6
18 206.8
C2 800x400 (Oval) 800 930 1010 400 530 610 12 24 102.8
14 118.2
18 146.2
18 76.2

Marine Manhole Cover Type D:

Manhole Cover Type D is Marine Sunk Manhole Cover.And in GB11628-89, it is Type E.

Main Size List(mm):

Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
LxB Diamter Quantity kgs
D1 450x350 450 570 620 350 470 520 14 M20 16 73.1
16 81.6
18 90.2
600x400 600 720 770 400 520 570 14 20 83.6
16 88.8
18 94.8
800x600 800 930 970 600 720 770 14 26 108.4
16 120.6
20 149.8
D2 800x400 (Oval) 800 930 980 400 530 580 14 24 89.4
16 102.5
20 127.8
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