Xianxian Shuangxing Casting Co., Ltd.
Xianxian Shuangxing Casting Co., Ltd.
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Highway Airport DI Manhole Cover Single Seal Black Painted Surface Finished
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. Material
a) Ductile Iron GGG500-7
b) Grey Iron GG20
3. Designs .
a) EN124 A15, B125, C250, D400, E600 and F900
b) ISO8062 for casting design
c) Major standards designs available
d) As per customers' drawings or samples
4. Process
c) Moulding boards
d) Green sand with hand molding or DISA line molding
5) Coating
a) Cold applied black bitumen
b) FBE or epoxy primer coating
c) Coating as per customers' requirement
10) Different accessories are available
2) product parameters
| ITEM | Inner dia | grating | Outer dia | Height | Weight(kg) | Pressure(KN) |
| F0536-1 | 252 x 252 | 326 x 326 | 360 x 360 | 36 | 13.5 | C250 |
| F0536-2 | 350 x 350 | 400 x 400 | 470 x 470 | 40 | 20 | C250 |
| F0536-3 | 450 x 450 | 500 x 500 | 580 x 580 | 50 | 32 | C250 |
| F0536-4 | 550 x 550 | 600 x 600 | 680 x 680 | 50 | 39 | C250 |
| F0536-5 | 350 x 350 | 400 x 400 | 500 x 500 | 100 | 36.2 | D400 |
| F0536-6 | 450 x 450 | 500 x 500 | 600 x 600 | 100 | 49 | D400 |
| F0536-7 | 560 x 560 | 600 x 600 | 700 x 700 | 100 | 62 | D400 |
1. Shallow manhole
It is provided at shallow depth of 75-90cm (2'-3'). It is provided at the beginning of branch sewer or at a place not subjected to heavy traffic. It is provided with a light cover at its top it is also called inspection chamber.
2. Normal Manhole
It is provided in sewer line at depth of 150cm with a heavy cover on its top. It is generally of square shape (or rectangular shape).
3. Deep Manhole
They are provided at depth greater than 150cm with heavy cover at the top. The size is gradually increased and a facility for going down is provided.