Manhole Covers Ductile Iron and Grating GGG50 B125

Ref Price:
Loading Port:
China main port
Payment Terms:
Min Order Qty:
500 pc
Supply Capability:
200000 pc/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Item specifice:

Material: Ductile Iron Cross Sectional Shape: Round,Square Thickness: 50-100mm

Product Description:

1.Ductile Iron Manhole Cover Description :

A 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.

2.Main Features of the Ductile Iron Manhole Cover:                      

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 GGG500&400-12

B) Grey iron GG20

3) Designs

a) EN124 Class B125 C250 D400 ,with different size and grammage, or as per customers requirement

b) Major standards designs available

c) as per customers' drawing or samples

4) Process

a) Molding boards

d) Green sand with molding                        

3.Manhole Cover Images:

Manhole Covers Ductile Iron and Grating GGG50 B125

Manhole Covers Ductile Iron and Grating GGG50 B125

4.Manhole Cover Specifications:

A)Inspection by our factory

B)The third party inspection,SGS

SMC Watertight Manhole Cover 

BS EN124 A15 A50 B125 C250 D400 

Watertight Waterproof 

Lockable Bolts 

Anti UV Antistatic Finish

SMC Watertight Manhole Cover  BS EN124 A15 A50 B125 C250 D400

Watertight Waterproof

Lockable Bolts

Anti UV Antistatic Finish


We have organized several common questions for our clients,may 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.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Do you need your own hardware to buy a suit door?
If you have a better hardware match, should also be in advance with the merchant clear.
Q:What kind of hardware installation is there in order of home decoration?
If the door (door and door): first hinge positioning (or repair groove), temporary installation - positioning lock, remove the lock - processing and installation after formal installation of the door, and installed in the positioning door -- etc.
Q:How do you do the hardware business?
Looking for small, relatively low tech orders. Because the production capacity is limited, for large quantities of professional products, could not even pick up a line, and a large volume of orders relative profit is very low, for not being able to produce large amounts of labor of small and medium-sized enterprises is difficult to stand up, and a large volume of orders requires a large amount of capital turnover, for this small and medium-sized enterprises is also a big problem. Therefore, the establishment of enterprises in the development of the market to find more small quantities of relatively high profits of orders and buyers, more conducive to the growth of enterprises and the accumulation of raw funds.
Q:Do their own cabinets, cabinets hardware where can I buy?
Cabinet hanging yards, preferably hidden style. Handle should be rich, general building materials city is not rich enough, hinge, better. Foot, the kind of adjustable, engineering plastics can. Materials such as fire boards
Q:How to distinguish the advantages and disadvantages of bathroom hardware?
Bathroom hardware after-sales serviceSuperior: General Paul 3-5 years of quality is solemn commitment, and contains effective quality assurance book, inspection mark, installation instructions and manufacturer's address and telephone number.Liepin: customer service service at all, only no installation instructions or quality is guaranteed effectively.
Q:What brand of hardware is better?
Buy Bathroom Hardware recommended to buy the big brands, of course, in order to avoid unnecessary trouble I suggest you choose those big brands, with the quality of customer service in this regard will be controlled better, like ATGET, a brand of bathroom hardware dily V - O of the two one brand is I trust, with the overall feeling Ya Jie is my home is good, and the Delong Delong, Yatin Yatin, HAVA HAVA, ArgentCrystal ArgentCrystal, elegant, these brands are good brand reputation, are the ten famous network on the china-10 are the latest bathroom hardware accessories
Q:How to inquire about the price of hardware products? How much is the gross profit of hardware products? Thank you
What are the purchase price is the core of an enterprise, and ask you to query the hardware industry friends, or you can also go to the major hardware website look at the price, you can also pretend to buy the products, price consulting
Q:What are the hardware parts used in the decoration?
Decoration hardware used many, hardware accessories a wide range, wide range of applications,
Q:What do hardware mainly do?
Hardness testing of stamping partsHardness test of stamping materials, its main purpose is to determine the extent of annealing the sheet metal stamping process is suitable for the purchase will be subsequently the stamping process of different types, different requirements of plate hardness level. The aluminum alloy plate used for stamping processing can be tested by Webster's hardness tester. When the material thickness is greater than 13mm, the hardness tester can be used. The pure aluminum plate or the low hardness aluminum alloy plate shall adopt the Vickers hardness tester.
Q:I would like to ask the so-called jewelry hardware refers to which hardware, including what?
Hardware jewelry does not refer to five gold jewelry but refers to metal jewelry, some local customs refers to five kinds of jewelry, gold is generally wedding gold rings, necklaces, earrings; marriage hardware is gold ring, gold necklace, gold earrings, gold bracelets, gold chains, now not necessarily buy gold jewelry, platinum, platinum can also be other jewelry.

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