Long Circular Manhole Cover With Coaming

CB/T 19-2001                                                                                                   

Model A

Long Circular Manhole Cover With Coaming

Model	Nominal size	L1	L2	L3	B1	B2	B3	S	Fastener		Weight(kg)
									Diameter	Quantity
A	450*350	450	470	570	350	370	470	4	M20	16	23.2
								6			30.8
								8			36.9
								10			45.8
	600*400	600	620	780	400	420	520	6		20	48.8
								8			59.2
								10			69.3
								12			79.6
	800*600	800	820	920	600	620	720	8		26	52.4
								10			65.8
								12			78.2
								14			90.2

Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.

Marked sample Long circular manhole cover with coaming which nominal size 600*400, cover plate thichness 10 .

Marked as MANHOLE COVER A 600*400-10 CB/T19-2001