• Heavy cast iron manhole covers System 1
  • Heavy cast iron manhole covers System 2
Heavy cast iron manhole covers

Heavy cast iron manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
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Supply Capability:
2000套 m.t./month

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Item description: circular manhole covers


Specification: 850 x600x100mm

Pressure load: D400

Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%

Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel tie, the outside plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity. The product load D400

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


Q:What does hardware refer to? What's the use?
Gold, silver, copper, iron, tin, traditional hardware, also known as "hardware"". Refers to iron, steel, aluminum and other metal, through forging, calendering, cutting and other physical processing made from a variety of metal devices. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods.
Q:What does bathroom hardware have?
Bathroom hardware accessories, generally refers to the installation in the bathroom, the bathroom wall, for placing or hanging clothes cleaning supplies, towel products, general hardware products, including: single hook, towel bar, double towel bar, cup holder, double cup holder, soap dish, soap, towel, towel ring net frame, dresser clip, toilet brush, towel rack, double shelf, and metal faucet, shower and a series of products, you can see only recommend this brand of bathroom products, the only bathroom is mainly ceramic sanitary ware, bathroom furniture, bathroom accessories and other leading hardware, sanitary products, sanitary ware based on integration the three major functional areas, to meet the individual needs of consumers, and provide real-time design of DIY whole bathroom solutions. Unique bathroom calendar three years of careful planning, spending huge sums of money through the power of e-commerce and the experience of cities throughout the country, for the pursuit of affordable and high quality bathroom consumer demand services.
Q:How to maintain the hardware?
Always use soft cotton or sponge with neutral soap water to wipe the surface of the faucet, to avoid water containing trace amounts of carbonic acid, forming scale, and corrosion on the surface of the faucet
Q:What are door hardware included?
The name is called the cat's eye, its role is to look out of the room through the door mirror, can see the outside view angle of about 120 degrees within the scope of all the scene, but could not see anything from the outside of the room through a door mirror. If the apartment or public houses by the place such as the door, put on the mirror, and for family security safety, can play a certain role. Is a necessary tool of the existing family.
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:How to buy some ardware
Beware of stainless steel change "stainless iron""Some people reflect that in the purchase of stainless steel parts products, found that some stainless steel, that is, in stainless steel materials doped a lot of iron ingredients, the price difference of nearly two times. The towel rack for example, stainless steel for the average price of 200 yuan each, while the stainless iron price is only 70 yuan each, on the surface of the two are basically the same, but the surface brightness of stainless steel, stainless iron is used for a long time, easy to rust surface blackening.
Q:What hardware fittings are needed for the glass curtain wall project?
Cross beam installation, usually through the use of aluminum screw angle fixed, usually with M6 stainless steel screw, with two Ping, a nut.
Q:What are the laws and regulations of hardware?
There are two main parts.One is the national quality standard. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations.Another is the national security standards, this is the strict implementation of the legal norms.
Q:Hardware accessories, hardware is the same?
The basic is the same, accessories are large pieces of accessories, hardware, including accessories
Q:What is a hardware cooker?
Cookware, such as metal products (metal and other materials, such as wood and plastic), is part of a hardware cookware category.

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