High Strength Cast Iron Gully Grid Square Cast Grating Corrosion Resistance
grating size: According to the custmers' need
1) product overview
1. Product information
Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects
2. Designs
a) EN124 A15 B125 C250 D400 E600 and F900
b) A60005 for casting design
c) Major standards designs available
d) As per customers' drawings or samples
3. Material
a) Ductile Iron GGG500-7 / 400-12
b) Grey Iron GG20
4. Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers' requirement
5. Process
c) Molding boards
d) Green sand with hand molding
6. Different accessories are available
| Material | Ductile Iron GGG500-7 & 400-12 , Grey Iron GG20. |
| Designs | EN124 A15, B125, C250, D400, E600 and F900 , As per customers' drawings or samples. |
| Coating | Cold applied black bitumen ; Without coating ; Coating as per customers'requirement. |
| Packing | Steel or wood pallet, or as per customers' requirements. |
| Application | Expressway, sidewalk, park, garden, municipal pipeline, telecommunication, water and electrical power projects. |
| Material | Ductile iron |
| Surface Treatment | Painting |
| Load | 15 125 250 400 600 900 |
| Standard | EN124-2015 EN1433 |
| Feature | Easy to install noise reduction |
product used
the product was used for the road
4) Product advantage
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.
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