Marine Cover

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.Th...

ISO9001 Supplier Class Certificate Export Supply

Key HighlightsCategory
Marine Cover
Standard
DIN
Material
Steel
Weight / Size
Main Size List(mm):
Certificate
CCS, BV, ABS, GL, LR, DNV, NK,RINA, KR,IRS
We can supply according to your requirement, drawings, class certificate needs, and delivery schedule.

Technical Specifications

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