Payment & Shipping Terms:
|Material:||Ductile Iron||Process:||Sand Casting|
|Leakage Test:||100% Check||Finish:||Sand Blasting|
|Product Name:||Ductile Iron Manhole Cover||Surface Treatment:||Painting|
|Service:||OEM ODM||Logo:||Customized Available|
ductile iron cover and frame,
metal manhole cover
Heavy Duty Water Manhole Covers ,Sand casting, ductile iron manhole covers D400
The entire cover and frame hinge open.
The lid opens to 140 º
The lid can be removed from opening under 90 degrees and pulling straight up.
Includes latch bolt.
|Material||Ductile iron GGG50; Grey cast iron|
|Scope||A15, B125, C250, D400, E600, F900|
|Shape||Round, Square, Rectangle, Triangle|
|Diameter||From 300mm to 1000 mm|
|Weight||From 5.5kg to 100kg|
|Applicable medium||Gases; Liquids; Steam.|
|Surface treatment||Black bitumen coated|
|Color||Pitch black or as per customer’s requirement.|
|Logo||Can be printed on enterprise logo|
|Usage||Municipal roads, highways, communications, electric power, running water, village, schools and various kinds of the park.|
|Packing||Normal packing is wooden pallet and plastic film or as per customer’s requirement|
|Minimum order||20 tons|
|Delivery time||20 days after place an order|
|Payment term||L/C, T/T (30% of total amount deposit and 70% balance after faxing the B/L copy in 3 days)|
|Special requirement||As per customer’s requirement.|
1. They are used to carry out inspection, cleaning and removing obstruction in the sewer line.
2. Manhole allows joining of sewers or changing the direction of sewer or alignment of sewer or both.
3. They allow the escape of considerable gases through perforated cover and thus help in ventilation of sewage.
4. They facilitate the laying of sewer line in convenient len
1.No inherent scrap value thus reducing risk of theft.
2.Moderate weight and easy installation.
3.Can be used in -30℃ to 70 ℃degrees environment.
4.30 years of service life.
5.Tested by national security agencies. Compressive, bending and impact resistant. Heat, cold, acid, etc.
6.Corrosion resistance, meet the needs of environmental protection, and reduce the exploitation of mining resources; beautify the city, classify the coloring, and enhance the taste of the city.
We can provide product cutomization services. Send us the drawing and give an ideal product.
Contact Person: Maxwell