Type B Marine Manhole Covers for ship

Category: Manhole Cover
Origin: China

Product Overview

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

Key Specifications

Category	Manhole Cover
Model / SKU	type-b-marine-manhole-covers-for-ship
Standard	CB/T19-2001
Material	Carbon Steel Q235B
Origin	China

Technical Information

Type B marine manhole covers for ship:

This cover is used as watertight and oiltight manhole covers, type B manhole cover is also called as Marine Flush Manhole Cover, the shape can be round, oval & rectangular.

Standard: CB/T19-2001

Material: Carbon Steel Q235B

Technical Data:

TYPE	NOMINAL SIZE	L1	L2	L3	B1	B2	B3	S	FASTENER		WEIGHT KG


		mm							DAI	QTY


B	450X350	450	470	570	350	370	470	4	M20	16	28.9
								6			33.8
								8			37.2
								10			41.2
	600X400	600	620	720	400	420	520	8		20	49.5
								10			55.6
								12			61.2
								14			67.6
	800X600	800	820	920	600	620	720	12		26	67.2
								14			75.2
								16			82.8
								18			89.9
	800X400 (ellipse)	800	830	930	400	430	530	12		24	56.8
								14			63.2
								16			69.2
								18			76.2