Marine Steel Quick Closing Hatch Cover

Marine Steel Quick Closing Hatch Cover: 

Steel Small Size Hatch Cover Standard: CB/T3728-1995

It is used for small size hatch cover of various ships, meet ISO 5778-1979, and have the Type A, B,C, D, E,F.

Type C is Quick Action Weathertight Hatch Cover With Central Handwheel

*The counter weight is added according to the size or the customer's request.

 

Main Material:

Cover-Steel

Coaming-Steel

Dog Clip-Steel, Stainlesss Steel or Copper or Steel with galv

 

Main Size List(mm):

Nominal Size	Clear Size of opening	Cover Size	Cover Thickness	Coaming		Weight
LxB (D)	L1xB1xR (D1)	L1xB1(D2)	t	to	H	kgs
530x530	500x500x100	588x588	4	4,6	150 200 250 450 600	44.8
		592x592	6	6,8		51.4
		596x596	8	8,11		58
630x630	600x600x100	688x688	4	4,6		50
		692x692	6	6,8		58.7
		696x696	8	8,11		67.5
D530	500	588	4	4,6		42.2
		592	6	6,8		47.5
		596	8	8,11		52.8
D630	600	688	4	4,6		46.1
		692	6	6,8		53.2
		696	8	8,11		60.2

Remarks:

1)The weight is not including the coaming weight.

2)The thickness and the height of the coaming are decided by the customer.