Aluminum Manhole Cover

Aluminum Manhole Cover

Sunk Manhole Cover for Boats is a kind of cover with shield. It is installed in sunken coaming. There are two shapes of this cover. One is long circle, the other is oval. It can be used as watertight, weathertight, and oiltight manhole cover, but cannot be used to boiler. Made of aluminium, it meets the requirements of ISO5892 and CB/T19-2001. Many kinds of covers can be supplied by us. If you are interested in our products, please contact us for detailed information.

Drawing & Specifications:

A: manhole cover with coaming

B: flat manhole cover

C: sunk manhole cover

type	clear size	l1	l2	l3	b1	b2	b3	s	bolt		weight kg
		mm							dia	qty
A	450*350	450	470	570	350	370	470	4	M24	20	7.3
								6			9.7
								8			12.2
								10			14.6
	500*400	500	520	620	400	420	520	6		24	11.3
								8			13.8
								10			16.6
								12			18.4

type	clear size	l1	l2	l3	b1	b2	b3	s	bolt		weight kg
		mm							dia	qty
B	450*350	450	470	570	350	370	470	4	M24	20	9.5
								6			10.8
								8			12
								10			13.2
	500*400	500	520	620	400	420	520	6		24	12.3
								8			13.7
								10			15.2
								12			16.7

type	clear size	l1	l2	l3	b1	b2	b3	s	bolt		weight kg
		mm							dia	qty
C	450*350	450	560	600	350	460	470	6	M24	20	15.8
			556			456		8			17.8
			552			452		10			21.6
	500*400	500	606	650	400	506	520	8		24	20.6
			602			502		10			25.1
			598			498		12			29.6

Certificate Options: CCS, NK, DNV.GL, LR, ABS, IRS, BV, RMRS, RINA

Figures of Products: