Manhole Hatch Cover Watertight

Marine Ship Watertight Manhole Hatch Cover

Manhole Hatch Cover for ship type D is a good option for applications where frequent access is not required. It is ideal for tank top covers, fuel and water tank access, inspection access to ship voids, bulkheads access. This cover is made of steel and manufactured according to the standard of CB/T 19-2001. We can supply a full selection of cover specifications to meet your requirements. If you have any special requirement, we also can satisfy you. If you have any question, welcome to inquiry.

Features of Manhole Covers for Ship Type D
To meet the standard of CB/T 19-2001
Two shapes: long circle and oval
With bolts
Excellent water tight seal

Manhole Hatch Cover Main Material:
Cover: Carbon Steel
Coaming: Carbon Steel
Seal Ring: NBR
Bolt, Nut, Washer: Stainless Steel, Caron Steel , Copper

Parameters:

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