• Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew System 1
  • Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew System 2
  • Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew System 3
Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew

Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
10000 pc/month

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1,Cast Iron Manhole Cover Description :

manhole cover is a removable plate forming the lid over the opening of a manhole, to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.

Manhole covers are often made out of cast iron, concrete or a combination of the two. This makes them inexpensive, strong, and heavy, usually weighing more than 50 kilograms (110 lb). The weight helps to keep them in place when traffic passes over them, and makes it difficult for unauthorised people not having suitable tools to remove them.

A manhole cover sits on metal base, with a smaller inset rim which fits the cover. The base and cover are sometimes called "castings", because they are usually made by a casting process, typically sand-casting techniques.

 

2,Main Features of the Ductile Iron Manhole Cover:

·High endurance

·High Strength

·Pressure Resistence

·Anti-corrosion

·Anti-theft

·Good visual effect

 

3,Manhole Cover Images:

 

Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew

 

Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew

Manhole Cover Ductile Cast Iron Made in China Heavy Telecom Sew

 

 


 

4,Manhole Cover Specifications:

1) Production information
Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects 

2) Material
A) Ductile iron GGG50

B) Grey iron GG20
3) Designs
A) EN124 Class B125 C250 D400 F 900, with different size and grammage, or as  customers' requirement.
B) as per customers' drawing or samples
4) Process
A) Molding boards

B) Hand Casting 

5) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement

6) Different accessories are available 

7) Packing:
Wooden case or wood pallet, or as per customers' requirement 

8)  Payment terms: T/T or L/C 

9)Inspection

A)Inspection by our factory

B)The third party inspection,SGS

 5FAQ:

We have organized several common questions for our clientsmay help you sincerely

Q. Can I fit a square manhole cover into a round chamber?

A. Yes, there are a select few manhole covers which are square-to-round, meaning they will fit square or round chambers. 

 

Q. I have a heavy traffic manhole cover but it has been broken by a forklift, why?

A. Forklifts have solid wheels which apply pressure differently to standard pneumatics and therefore covers must be specially adapted to suit this.

 

Q. I’ve measured my clear opening size but none of your covers match it, can you offer anything?

A. It’s likely that your cover is quite old and in imperial measurements which are no longer manufactured. However, we can offer bespoke solutions with manhole covers made to the specification you require.

 

Q. The project I’m working on requires a manhole cover with a quality finish, what’s available?

A. Naturally, galvanised steel of black polypropylene aren’t always ideal, and so we offer brass or stainless steel edging, as well as complete stainless steel covers.

 

Q. Odours are coming through where I have installed my manhole cover, why?

A. Your cover must be sealed and locked, or neoprene sealed, so you would require a T-Range Cover, or if you require a solid top, a selection of the PC range (e.g. PC2BG3, PC6CG3, not PC2BG) are suitable.

 

Q. I need access through my manhole cover on a regular basis, is this possible?

A. Yes, the majority of covers have built-in lifting keys, and for those that don’t we also supply lifting keys. However, the best way to obtain easy access is to have a bespoke, hinged manhole cover. 

 

 

Q:Please name a kind of metal, the definition of that metal and a band of that kind of metal
No, it is not..
Q:Mine would be Mastodon,seconded by Opeth.Also no Nu-Metal,it doesn't suck but it isn't real metal.
Divalent metals are the metals whose atoms exhibit the valency of 2. They form ionic bond by losing or gaining 2 electrons.
Q:4 ferruos metals?8 non-ferruos metals?thanks! :)
Heavy Speed Death Black Pirate Viking Extreme Progressive Core Glam Thrash Funk Nu Rap War Melodic Death Christian Doom Sludge Goth Grind Power Neo-classical Symphonic
Q:my friend told me that metal music helps when you want your anger to come out in an explosion but I don't think that's it.
Blind Guardian (power metal) Running Wild (power metal) Bathory (black metal) W.A.S.P (traditional metal) Kreator (thrash metal) Mercyful Fate (traditional metal) Overkill (thrash metal) Dark Angel (thrash metal) Those are some good old metal bands, here are some good news ones: White Wizzard (traditional metal) Holy Grail (traditional metal) Eliminator (thrash metal) Warbringer (thrash metal) Skull Fist (traditional metal)
Q:Crying metal
eric clapton invented metal
Q:i've been listening to thrash for almost a yr now.. just wanted to try out black and death metal bands.. pls post some good black/death metal bands along with must try/good songs or albums..
You mean like Na + HOH --> NaOH + 1/2 H2? That's a base, my friend.
Q:Meliah rage and atrophy(thrash metal) is really underrated. They deserve way more credit for metal than cannible corpse which is death metal. Because thrash is better than death metal nd if you disagree well I don't give a **** cause you're wrong
it depends...
Q:What are some good metal bands?
Stormwarrior Sabaton Bonded By Blood Evile Municipal Waste Gama Bomb Cosmic Vishnu Truckfighters Fu Manchu Sasquatch
Q:Are bands like Iron Maiden, Metallica, Black Sabbath, Led Zeppelin, and the Misfits considered metal? Or does metal have to include screaming now?
real metal doesn't need to be explained
Q:which metals are considered to be transition metals?
They aren't even Metal. They can be considered Nu Metal or Alternative Metal but its not a form of Death Metal or even True Metal.

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