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Product Description

1. High load strength
Less noise and lower vibration transmissions.
2. Against theft,noise and rust.
3. Durable life.
4. Free design
Class A15 Area which can only be used by pedestrians and pedal cyclists
Class B125 Folkways, pedestrian areas and comparable areas, car parks or parking decks
Class C250 For gratings installed in the area of kerbside channels of roads which, when measured from the Serb edge, extend maximum 0.5 m into the carriageway and maximum 0.2 m into the foot way
Class D400 Arrive ways of roads (pedestrian streets included), hard shoulders and parking areas for all types of road vehicles
Class E600 Areas subject to high axle loads such as docks and airports
Class F900 Areas subject to very high axle loads such as airports

Name	Ductile manhole cover
Material	Ductile iron GGG50/7, gray iron
Standard	EN124/1433/1563
Class	A15,B125,C250,D400,E600,F900
Shape	Round, square, rectangle
Size	200mm-1000mm or as per customers’ drawing
Surface	Bituminous black
Molding	DISA Line
Process	Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Advanced technology and equipments	Tensile strength: 500Mpa Yield stress: 320Mpa Elongation rate: 7% Hardness: HBS170-230
Load capacity	D400 E600 F900
Tolerance	Machining:+/-0.02mm, finish machining:0.002mm
Application	Footway, pedestrians, car parks, aircraft pavements
Advantage	Longevity corrosion resistance, excellent anti-pressure

Process Flow

Packing & Delivery

Packing
• Steel pallet
• Wooden pallet
• as customers' requirement

1. Are you manufacturer or trading company?
We are manufacturer. No need worry.

2. Are your price is competitive?
Different quality means different prices. But we are doing our best to control the cost by the purchasing materials, processing, efficiency of processing, land freight, sea freight etc.

3. How is your quality?
Our technician will make a best draft according to your project. You can finish your project at lowest cost.

4. What is your warranty?
Warranty period is one year. For any problem, you can contact our sales people. They will help you to solve the problem.

5. Can I get free sample?
Yes, we would like to supply free sample. If you are sincere customers, we will try to pay the post charge.

6. How is the shipment time?
We have stock for regular size for prompt shipment. If the size you demand is special, usually we can arrange shipment in 20 days.

7. Our money is safe or not?
We have factory. And our factory won’t close just for your some money, right?