Oval Sunk Type Manhole Cover Without Shield

CB/T 19-2001
 

Model D2

Nominal size	L1	L2	L3	B1	B2	B3	S	Fastener		Weight(kg)
								Diameter	Quantity
450*350	450	570	620	350	470	520	14	M20	16	116.6
							16			121.6
							18			128.6
600*400	600	720	770	400	520	520	14		20	136.1
							16			142.2
							18			149.5
800*600	800	920	970	600	720	770	14		26	171.5
							18			182.6
							20			206.8
800*400 (Oval)	800	930	980	400	530	580	14		24	102.8
							16			118.2
							20			146.2

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

Marked sample: Oval Sunk type manhole cover without shield which nominal size 600*400, cover plate thickness 14 .

Marked as: MANHOLE COVER D1 600*400-14  CB/T 19-2001.