Marine Manhole Cover - China Marine Equipment Manufacturers

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1) Manhole Cover With Coaming ,Model A  Inquiry
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

Model	Nominal size(mm)	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.

2) Flat Type Manhole Cover Model B1  Inquiry
Marked sample Long circular flat type manhole cover which nominal size 600*400, cover plate thickness 10.
Marked as MANHOLE COVER B1 600*400-10 CB/T19-2001

Model	Nominal size	L1	L2	L3	B1	B2	B3	S	Fastener		Weight(kg)
									Diameter	Quantity
B1	450*350	450	470	570	350	370	470	4	M20	16	28.9
								6			33.8
								8			37.2
								10			41.2
	600*400	600	620	720	400	420	520	8		20	49.5
								10			55.6
								12			61.2
								14			67.6
	800*600	800	820	920	600	620	720	12		26	67.2
								14			75.2
								16			82.8
								18			89.9
B2	800*400 (Oval)	800	830	930	400	430	530	12		24	56.8
								14			63.2
								16			69.2
								18			76.2
Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.

3) Embedded Type Manhole Cover With Shield Model C1  Inquiry
Marked sample Oval sunk manhole cover with shield which nominal size 600*400, cover plate thickness 12 .
Marked as MANHOLE COVER C1 600*400-12 CB/T 19-2001

Model	Nominal size	L1	L2	L3	B1	B2	B3	S	Fastener		Weight(kg)
	L*B mm	mm							Diameter	Quantity
C1	450*350	450	470	650	350	470	550	10	M20	16	116.6
								12			121.6
								14			128.6
	600*400	600	720	800	400	520	600	10		20	136.1
								12			142.2
								14			149.5
	800*600	800	920	1000	600	720	800	12		26	171.5
								14			182.6
								18			206.8
C2	800*400 (Oval)	800	930	1010	400	530	610	12		24	102.8
								14			118.2
								18			146.2
Stub is stainlesss steel SUS304 nut material could be steel, brass, stainless steel, as user's option.

4) Long Circular Sunk Type Manhole Cover With Shield Model D1  Inquiry
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

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.

5) Stud Mounted Manhole Cover Model A  Inquiry
Marked sample: Model A Ballast liquid tank manhole cover with check hole which size 600*400
Marked as: Manhole cover 6CB/T3981-2008 A600*400-10

Model	Clear size	L1	B1	L2	B2	T	Stud (Substance)		Stud (Check hole)		Weight(kg)
	L*B mm						Diameter	Quantity	Diameter	Quantity
A	600*400	720	520	620	420	6	M20	20	M16	8	68.4
						8					75.3
						10					81.8
						12		26			89.1
	800*600	920	720	820	620	8					86.9
						10					95.8
						12					104.3
						14					112.2
						16					121.2
						18					130.1
						20					138.5
B	640*400	720	520	620	420	6					62.6
						8					71.9
						10					80.7
						12					90.3
	800*600	920	720	820	620	8					83.5
						10					94.7
						12					105.5
						14					115.9
						16					126.1
						18					169.5
						20					146.8

6) Handhole Cover A Type  Inquiry

A2	B2	B1	B	A1	A	R1	R	t	Stud			Weight(kg)
									Diameter	Length	Quantity
A	200	590*590	48.5	55.5	270	95	110	5	M12	22	12	5.7
								8		25		6.9
AL	320	490*590	35.3	40.2	320	120	135	5	M12	22	12	7.3
								8		25		9.2
AR	Φ500	Φ590	39.3	47.2	390	145	160	5	M12	22	16	9.6
								8		25		12.2

7) Circular Handhole Cover B Type  Inquiry

D	D3	D2	D1	t	Stud			Weight(kg)
					Diameter	Length	Quantity
150	220	190	160	5	M12	22	8	4.6
200	270	240	210	5	M12	22	12	6.2
				8		28		7.6
200	320	290	260	5	M12	22	14	8.3
				8		28		10.2
200	370	340	310	5	M12	22	16	11
				8		28		13
150	420	390	360	8	M12	28	16	15.7

Marked sample: Circular handhole cover D=200, t=5.
Marked as: HANDHOLE COVER B 200*5 CB*283-84

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