Manhole Covers Ductile Iron GGG50 D400 DI

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China main port
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TT OR LC
Min Order Qty:
500 pc
Supply Capability:
200000 pc/month

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Item specifice:

Material: Ductile Iron Cross Sectional Shape: Round Thickness: 60-100mm

Product Description:

1.Ductile Iron Manhole Cover Description :
1.Advantages: Good compressive, bending and impact strenth,anti-corrosion, not rust, long service life 
(at least 30 years). The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than. Contain no metal and no recovery value, anti-theft.
2.Applications: water supply and drainage, fire engineering, natural gas,electricity and telecommunications, street lamp and outdoor illuminations.
3.Designs: based on EN124 standard and according to customer's drawing or samples.
4.Color: black, Grey, green, blue and Marble , etc.
5.Inspection: in-house or the third party as per customer's request.

2.Main Features of the Ductile Iron Manhole Cover:                  
•High endurance
•High Strength
•Pressure Resistence
•Anti-corrosion
1. 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.
2. 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. Light weight
Compared with cast iron manhole cover, FRP manhole cover is 30% lighter.
Light weight allows more loading per vehicle, more convenient transportation and economical savings.
Allows a safer working condition, which single workers is enough for installation without risk of injury.

3.Manhole Cover Images:

Manhole Covers Ductile Iron GGG50 D400 DI

Manhole Covers Ductile Iron GGG50 D400 DI

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
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.

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Q:What is suitcase hardware? Do you know?
Luggage hardware accessories can be classified according to the following: material, shape, color, specifications and so on.
Q:How to maintain the hardware?
Kitchen cabinet hardware parts should be often wiped with dry cloth, otherwise easy to rust, such as the hardware parts found difficult to remove the surface of the black spots, can be added a little kerosene cleaning.
Q:What are door hardware included?
Pipe hinge: also called spring hinge. Mainly used for furniture door panel connection, it is generally required thickness of 16~20 mm plate. Materials include galvanized iron and zinc alloy. The spring hinge is provided with an adjusting screw, which can adjust the height and thickness of the upper, the lower, the left and the right. One of its features is that it opens the door according to the space and the cabinet door. In addition to the general 90 degrees angle, 127 degrees, 144 degrees, 165 degrees and so on have corresponding hinge matching, so that all kinds of cabinet have corresponding extension.
Q:What hardware fittings are needed for the glass curtain wall project?
You ask too much, but I do not answer, is the point type curtain wall, glass curtain wall is used above curtain wall claw, wholesale factory in Jiangsu, in Foshan, if it is to claw curtain accessories, we can talk, have contact.
Q:What does "hardware delivery" mean?
Electricity, as the name suggests, is the carrier used in AC power transmission process, switch, or isolation current to conduct electricity such as knife, cable, wire, and AC power distribution equipment, accessories and so on."Hardware" refers to the gold, silver, copper, iron, tin five metal materials, said, "hardware is the mother of the industry"; the basis of national defense, hardware products, usually only divided into large hardware and hardware two categories. 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.. On the nature and use of hardware, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be considered
Q:What are the commonly used hardware materials? What are their respective properties?
Stainless steel (SUS)SUS301----1/2H, 3/4H and H features: good corrosion resistance, good cold workability, non magnetic in the burn back state, and magnetic after cold working. Application: used for vehicle parts, springs, buildings, hardware, etc..SUS304----1/2H, 3/4H and H characteristics: good corrosion resistance, low temperature strength, good mechanical properties, good work hardening, heat treatment, non hardening, non magnetic. Uses: household appliances, building decoration, vehicle parts, medical instruments, food industry and chemical industry.
Q:Native produce is a local specialty, but hardware is not
The difference between hardware and local products1. hardware, refers to gold, silver, copper, iron, tin, five metal materials called. Hardware is the mother of industry; the foundation of national defense and the products of hardware materials are usually divided into two major categories: big hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, iron and all kinds of industrial character; hardware for building hardware, white metal, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc..2. "local produce" means the agricultural sideline products and handicraft products produced locally.
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 kinds of hardware fittings can be divided into?
Hardware accessories can be classified according to standard and non-standard parts. This classification is general, but the general classification is like this, and there are different hardware used in different industries, there are different categories.
Q:How many kinds of hardware are there in this industry?
Hardware can actually be divided into tools and hardware two categories;The tools below can be subdivided:Manual tool (brush, scissors, pliers, screwdriver, wrench, hammer, file, tap die, pump, etc.) (saw blade, a chainsaw, etc.)Pneumatic tools (pneumatic wrench, pneumatic scissors, drilling, etc.)Electric tools (electric polishing machine, electric drill, electric hammer, electric wrench, electric scissors, air guns and etc.)Auto repair toolsConstruction equipment and toolsGaugeGardening tools and equipmentDiamond toolsAbrasives, abrasive (grinding wheel, grinding head, grinding block, sand paper, Whetstone, polishing wheel, grinding agent, polishing paste, etc.);Hardware subdivided into:Hardware fittings (hook, steel ball, pulley, nozzle, universal wheel, rigging, etc.)Construction hardware (locks, fittings, doors and windows, hardware, etc.)Mechanical hardware (bearings, dies, springs, valves, cutting tools and clamps, pneumatic components, etc.)Daily hardware (knife, scissors, etc.)

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