• Manhole Covers EN124 GGG40 Ductile Iron C250 System 1
  • Manhole Covers EN124 GGG40 Ductile Iron C250 System 2
Manhole Covers EN124 GGG40 Ductile Iron C250

Manhole Covers EN124 GGG40 Ductile Iron C250

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
500 pc
Supply Capability:
30000 pc/month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specification

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

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.
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                       
5) Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers requirement
3.Manhole Cover Images:

Manhole Covers EN124 GGG40 Ductile Iron C250

Manhole Covers EN124 GGG40 Ductile Iron C250

4.Manhole Cover Specifications:
 Different accessories are available
Packing:
Wooden case or wood pallet, or as per customers' requirement
Payment terms: T/T or L/C
Inspection
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
5.FAQ:
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. 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. 

Q: Casting blank in the cooling process to release a large amount of heat energy, what can be recycled?
Casting, do not need to provide a rough casting foundry drawings, according to your chart will put foot margin in the processing needs of the surface, the rest of the size can be found according to the mechanical design manual and manual casting.
Q: What are the casting parts used to test shrinkage holes?
3 fluorescent magnetic powder, this method can also be found in part.
Q: How to improve the surface roughness of casting parts?
One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.
Q: Selection of hydraulic press is the casting parts and steel plate welding, how to choose?
Casting parts in one shape, the overall processing in this regard than steel plate welding better. The same price is much more expensive than steel. Large hydraulic presses seldom have casting parts.
Q: the parts of the threaded hole is casting, casting the hole directly, and then tapping or casting, and then punch 10When the casting is ready, punch it again before tapping it Is the hole casting good or is it punched and tapped on the drilling machine after casting?
Aluminum alloy die-casting parts or casting box and other parts of the threaded hole, in the case of processing conditions, it is best to use wire tapping or machine tool processing! Direct casting is not advocated.
Q: Casting parts have poor surface finish. What sand is used to make them?
Manual coal dust, clay sand is a little worse. Mechanical styling is not bad either.
Q: How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.
Q: Would you please tell me how to use casting parts for a year?The cast of an aircraft wing needs to be put aside for a year before it breaks;Does anyone know why?
3, the resonance method is cast on its resonant frequency vibration 1060ndn, to eliminate the residual stress in casting.
Q: How can the casting be plated with ordinary zinc plating? The coating is too thin and requires 0.08 thickness
Hot galvanizing doesn't seem to workThe zinc layer is 275g/ square meters of material coating is 0.019mm (mm), up to 0.08 thick.
Q: When there is no flaw detection for large casting parts, is there any crack inside?
According to the industry standards, within the scope of the standard requirements to determine whether the product is qualified

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches