Manhole Cover Ductile Iron B25 Made in China

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
100 pc
Supply Capability:
1000 pc/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

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



·Good visual effect

3,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 


A)Inspection by our factory

B)The third party inspection,SGS


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. 

5,Manhole Cover Images:


Manhole Cover Ductile Iron B25 Made in China


Manhole Cover Ductile Iron B25 Made in China

Manhole Cover Ductile Iron B25 Made in China


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:metal gear solid 4?
i dont consider it emo Metalcore is the union of Hardcore punk and metal, maybe the hardcore part has been mistaken. Its a metal subgenre. It isnt fake well maybe it has an emo touch, cuz emo genre comes from punk being hardcore emo a subgenre of this. But emo emo i dont think so....
Q:metals+metal compounds= ?
metals have high electrical conductivity, metalloids are semi-conductors. metals give a salt and hydrogen with acids, metalloids don't.
Q:Japanese Black Metal?
Primer is used as base paint, if you want it to last, you will have to paint metal with oil base paint after you prime metal. Recommend to use same brand primer as well as oil base paint, so after one prime coat, paint with two coats of oil base paint. Oil base paint will definitely last longest.
Q:Metals???!?!?!?!?! 10 points!!!!!! best!!!?
metal is no music
Q:Do you like my page of metal?
I do not respect a genre of music. Respect is a weird question too, in regards to music. I like a lot of music that I may not necessarily respect. To respect music I suppose you have to either respect their musical skills, their vocals or their song writing. Yet some music doesn't try to have great musical skills, or vocals or song writing. But I can still lke and enjoy this music. Perhaps put it this way, I respect Meshuggah but I don't like their music. I respect some metal bands and don't others. Respect is earned NOT given.
Q:Your least favorite metal sub genres?
I fully disagree with that statement. Hair metal is the one genre of metal I really don't like other than a few bands and I love Thrash.
Q:will i need to play metal gear peace walker to understand metal gear solid 5?
have you ever setup your PSN id Account and logged in? make useful your firmware is as much as this element (2.40-one) obtain the patch for MGO, as quickly as you startup. (a million.a million i've got have been given self theory) then you extremely must be good to bypass.
Q:which is better American Metal or European Metal?
Black Sabbath - Paranoid Judas Priest - Sad Wings of Destiny Motorhead - Ace of Spades Diamond Head - Lightning to the Nations AC/DC - Back in Black Venom - Black Metal Iron Maiden - Number of the Beast Mercyful Fate - Melissa Queensryche - Queensryche Metallica - Kill 'Em All Slayer - Show No Mercy Megadeth - Killing is My Business...and Business is Good! Corrosion of Conformity - Animosity Suicidal Tendencies - Join the Army Death - Scream Bloody Gore Possessed - Seven Churches Pantera - Cowboys From Hell I'm sure there are more. I keep getting interrupted and can't think straight right now. Also, need to pay respect to the early Glam Metal days too. Dokken, RATT, Motley Crue etc... and the early 90's alternative metal bands like Helmet and Korn have a place in history like it or not.
Q:Metal by Numbers Lyrics?
The ballast (transformer) is intended for specific lamps. high or low pressure sodium lamps will not work in a metal halide fixture and so on.
Q:why are group 1 metals not suitable for making batteries?
Well...screamo, emo, punk, core aren't metal dude. They're just scene kid music. Real metal subgenres are stuff like death metal, black metal, doom metal, thrash metal, power metal, and their many subgenres aswell..melodic black metal, symphonic black..etc. There are many good bands out now, under these subgenres...if you've never heard of them you should definitly check 'em out dude. I love just about all subgenres of metal. (Not hardcore and screamo) haha Oh and by the way... Meshuggah is Metalcore. Hardcore dude. Not metal.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range