Rope hatch covers

Nominal size	Coaming			Cover		Weight Kg
	D	t 1	H	D1	t
450	450	8	600 700 800 900 1000	506	6	29
500	500			556		38
		11		560	8	42
550	550	8		606	6	41
		11		610	8	46
600	600	8		656	6	43
		11		660	8	50
Note 1：The weight in the table does not include the weight of coaming. Note 2：The height of coaming H can be determined according to requirements