• Manhole Covers Ductile Iron GGG50 on Sale System 1
  • Manhole Covers Ductile Iron GGG50 on Sale System 2
Manhole Covers Ductile Iron GGG50 on Sale

Manhole Covers Ductile Iron GGG50 on Sale

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
200000 pc/month

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Item specifice

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

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. High load capacity & resilience 

Hardness is same as cast iron, while FRP manhole covers have overwhelming advantages on resilience recovery. They are designed to exceed A15/B125/C250/D400 load capacity, according to EN124: 1994.

 2. Designed structure & pressure dispersion

Arc-shaped bottom structure allows the pressure they bear disperse averagely on the whole surface. Besides, the products are made not by SMC, it was put in several layers of fiber cloth to enhance the structures. So they are stronger than SMC composite manhole covers.

3. Consequences of temporarily overloading

Temporarily overloading may cause smash of concrete covers, seriously deformation, even slightly split. But this will not happen to FRP fiber cloth manhole cover.

4. Safety options

There is no metal contain, directly reducing potential accident or further maintenance costs caused by thieves. Anti-slip surface offer a safe road condition even in extreme weather.

3.Manhole Cover Images:

Manhole Covers Ductile Iron GGG50 on Sale

Manhole Covers Ductile Iron GGG50 on Sale

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

5.FAQ:

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:How do you do the hardware business?
How to communicate with customers in the marketing, there are a lot of communication failures, where and why? In my dictionary, following the so-called communication failure Description: "don't be customer acceptance, or customers do not understand what is said, all invalid. The reason for this communication disorder is that the language situation is too weak, the voice, expression or reading skills are inadequate, the task of making sentences, or lack of interest in communication objects." It is important to build a bridge of trust or goodwill between customers at the first contact with the customer. At the same time, we should first point out the urgency of customer demand for this product, thereby causing customers to buy desire. Almost all salespeople agree that the most difficult part of all sales promotion is communication with customers. In fact, successful communication is difficult because of their different environments and different positions
Q:Do their own cabinets, cabinets hardware where can I buy?
The general cabinet hardware, materials in city or specialized hardware store to sell. But if you're not common on the market like hardware, cabinets do, they use hardware, are from the big city (Guangzhou, Ji'nan) of the designated manufacturers ordered. If individual purchase sell it, suggest you buy from the Internet.
Q:Do you need your own hardware to buy a suit door?
When you buy, the store tells you to include the hardware, so you don't have to buy it yourself. If you buy, the store did not say that this content, usually not equipped with hardware to you, you need to buy your own hardware. It is recommended to buy hardware, so you can choose a better quality, price concessions can be slightly, but in the purchase of the door before the need to buy hardware with a copy of the drawings or samples for reference to store door leaf thickness, the size of the location and position of door lock. General professional stores, good service attitude, professional knowledge, more familiar with, will advance in your purchase when reminded in place.
Q:Hardware stamping materials, know to tell me, the more species, the better, thank you ~!
the basis of national defense, hardware products are usually divided into two major categories of hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc..
Q:How to inquire about the price of hardware products? How much is the gross profit of hardware products? Thank you
See how you do, is to do the brand or do the general hardware brand, the difference is, some see you are several agents, can take how much profit, general hardware, extensive and profound, you do what kind of that? I do hardware tools, I am wholesale,%20 profit is very low, do retail say,%50 above
Q:What kind of hardware installation is there in order of home decoration?
1, carpentry hardware products installation, most wooden products need to consider the problem of paint. Therefore, the installation time of the hardware needs to consider the connection with the construction of the painter. This need from two aspects to consider: first, the installation of metal pieces arranged time not premature, or paint workers in the construction need to consider too many problems on the protection of hardware; second, the installation of metal pieces, but also pay attention to the construction can not destroy the painter who had completed. Therefore, the normal construction is often such arrangements: the hardware need to be drilled, basically is before the paint construction, or before completion of major processes (such as door locks installed before the lock basically is, at this stage the best hand hole study arrangements at this stage). After the painter has finished the construction, the carpentry will be installed again. 2, electrical lighting and switch socket panels should be installed in the wall brush, paint or wallpaper after the completion of work, and then the installation of lamps and switches, socket panel installation. There was such a case: a construction company, to save personnel costs, in the process arrangement for electrical installation of early switch socket, with open cut wallpaper knife switch socket panel, the panel does not accidentally scratched. 3, sanitary ware and bathroom hardware installation, as the current home improvement industry overall management level is still very low, the quality of workers at construction site is generally poor. Therefore, some of the construction site has occurred on the installation of bathtubs, the first use of the phenomenon of construction workers. In recent years, there have been quite a lot of complaints in this respect. Therefore, it is recommended that consumers, unless forced not...
Q:How to buy some ardware
It is understood that the aluminum alloy material on the market some businesses claim that is just contain aluminum components, which mixed with other ingredients such as silicon, magnesium, and surface film thickness and surface treatment technology and other factors, also affects the price and quality of materials. Surface treatment process mainly oxidation, matte, electroplating, wood grain and paint, and so on, the price of products is also quite different.
Q:Which part is responsible for leakage of hardware?
Or forget it, not responsible. Where can I get a lawsuit?.
Q:Hardware accessories, hardware is the same?
It's almost like this, but it's a lot of different kinds
Q:Native produce is a local specialty, but hardware is not
Hardware refers to five metals. Hardware word first appeared in the "Wu Yue" - "spring and Autumn" four Lu: "Chen Wen Yue often makes the sword making five pieces of Ou yezi,...... A reed, hardware Ying, sun jing." According to the "Han Shihuo Zhi" "gold, knives, turtles, shellfish" note: "gold, gold is also colored, yellow, gold, silver, white, red, green, copper, lead, iron, black." "Modern Chinese Dictionary" explains: "hardware refers to gold, silver, copper, iron, tin, generally referred to as metal.". Today's hardware is commonly used as a metal or copper, iron and other products collectively.And local products are local specialties

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