Square Ductile Iron Manhole Cover

Model NO.: Ductile Iron Manhole Cover Casting Form Material: Metal Casting Form Usage Count: Permanent Surface Roughness: Ra0.2 Machining Tolerance: +/-0.10mm Certification: SGS, CE, ISO 9001:2008 Trademark: YZGM Specification: as per customer′s requirements HS Code: 7318151001 Casting Method: Sand Casting Casting Metal: Cast Iron Surface Treatment: Spray-Paint Coating: Sodium silicate Standard: GB Weight: 58kg Transport Package: Pallets Origin: He Bei Shi Jiazhuang, China 1. The manhole cover is the seal of the top entrance into underground. It is necessary to install the manhole covers if there are places that supply water, drainage, telecommunication, electricity, natural gas, fire control, environmental protection and all of infrastructure. There is a large demand because the manhole covers are installed along the infrastructure, around one cover is laid in the distance of 50m-100m.
2. Especially in recent years, our country put more investment into the infrastructure and city development, so that a large quantity of covers are needed to protect the cable and wire underground. In addition, brick-laying and lawn manhole covers are applied into the structure of communities.
3. We also provide composite Gully Gratings which are the covers installed on the side roads, drainage ditches around residential districts and so on. There are almost more than five times of manhole covers in demand.

We produce SMC material Composite manhole cover, rain grate, gully tops and tree-grilles which are made from composite material such as glass fiber, resin, quartz, corundum & so on. Our products are not made of iron, it will be not stolen and also good in load ability. Our FRP rain-grating have the following special advantages:
1. Strictly manufactured according to ISO 9001: 2000 and EN124
2. High load capacity
3. Contain no metal, no scrap value
4. Long service life (Min. 30 years)
5. Well sealed, no noise pollution or rebound
6. Good wear and corrosion resistance, never rust
7. Special Relief Sculpture on Surface with good decorative effect
8. Perfect design and rich colors individually against various needs and requirements.

Size(mm)	Load Ability	Approx Weight(KG)
300	A15	5
400	A15	7
500	B125	20
	C250	23
600	B125	26
	C250	37
	D400	50
650	B125	40
	C250	44
	D400	56
700	A15	32
	B125	41
	C250	49
	D400	70
750	B125	47
	C250	69
	D400	78
760	C250	66
	D400	80
800	B125	66
	C250	75
900	C250	76
	D400	85
Surface Size Square & Rectangle Manhole Cover
Size(mm)	Load Ability	Approx Weight(KG)
230× 280	B50	8
300× 300	A15	7
	B125	11.8
300× 400	B125	14
300× 500	B125	17
	C250	19
400× 400	A15	20
	B50	21
400× 600	A15	23
	B125	26
450*900	A15	50
500× 500	A15	20
	B125	23
	C250	33
500× 700	A15	41
	B125	55.6
	C250	71.2
590× 590	B125	39.5
600× 600	A15	35
	B125	54
	C250	57
	D400	75
600× 900	A15	52
	B125	59
	C250	93
640× 640	B125	58
	C250	69
700× 700	A15	55
	B125	87
	C250	90
700× 900	B125	120
	C250	138
700× 1200	B125	130
	C250	145
760× 760	B125	74
	C250	76
790× 1000	B125	80
	C250	138
800× 800	A15	87
	B125	105
	C250	113
900× 900	B125	93
	C250	119
900× 1100	B125	172
	C250	182
1000× 1200	B125	185
	C250	187

Contact us if you need more details on Manhole Cover. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Square、Ductile Iron. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Casting Products