Model A Hatch Cover

Quick acting watertight hatch cover

CB/T 3842-2000

 

Model A Hatch Cover 

Clear size	Cut-out size	Coaming inner diameter	Cover plate outer diameter	Cover plate thickness	Coaming		Center diatance	Weight (kg)
					Thickness	Height
D	D1	D2	D3	t	t1	h	B
600	640	670	720	12	12	200	473	245
650	690	720	770				498	266
700	740	770	820				523	285
750	790	820	870				548	306
800	840	870	920				573	328

Watertight cover test requirement: It can be passed the water pressure tank test within 15 min.

Remarks: Coaming height H can be changed upon orders, H in the form is the minimum size.