Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

Type A steel small size hatch cover

Category: Hatch Cover
Origin: China

Type A steel small size hatch cover

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category	Hatch Cover
Model / SKU	type-a-steel-small-size-hatch-cover
Origin	China

Technical Information

Type A steel small size hatch cover:

It used in ship to more convenient chheck.

Technical Data:

TYPE	NOMINAL SIZE		SIZE OF CLEAR OPENING			SIZE OF COVER
	NOMINAL SIZE		SIZE OF CLEAR OPENING			SIZE OF COVER
	L	B	L1	B1	R	L2	B2
A AL AS	450	630	420	600	100	508	688
						512	692
						516	696
	530	530	500	500	100	588	588
						592	592
						596	596
	630	630	600	600	100	688	688
						692	692
						696	696
	630	830	600	800	100	688	888
						692	892
						696	896
	830	830	800	800	100	888	888
						892	892
						896	896
	830	1230	800	1200	100	888	1288
						892	1292
						896	1296
	1030	1030	1000	1000	100	1092	1092
	1030	1030	1000	1000	100	1096	1096
	1330	1330	1300	1300	100	1396	1396
	SIZE OF COVER	HATCH			BUTTERFLY CLIP		WEIGHT Kg
	SIZE OF COVER	HATCH			BUTTERFLY CLIP
	t	Thinkness		H	DIA	QUT
	4	4	6	100 150 200 250 450 600	M16	4	24.4
	6	6	8				31.1
	8	8	11				37.7
	4	4	6				24.2
	6	6	8				30.8
	8	8	11				37.4
	4	4	6		M20		31
	6	6	8				39.8
	8	8	11				48.5
	4	4	6				37.4
	6	6	8				48.5
	8	8	11				59.7
	4	4	6			6	47.1
	6	6	8				61.2
	8	8	11				75.3
	4	4	6			8	65.2
	6	6	8				85.3
	8	8	11	800			175.2
	6	6	8			6	146.4
	8	8	11			6	190.9
	8	8	11			8	331.3