Locking Ductile Iron Manhole Cover Frame
Characteristics of our manhole cover:
1. Material: cast gray iron, ductile iron.
2. Shape: round, square, rectangle and triangle.
3. Diameter: from 200mm to 1200mm.
4. Weight: from 7kg to 154kg or according to customers\' requirment
5. Packing: in wooden pallet with plastic layer
6. Annual output: 10,000 tons
7. Coating: black bitumen or Coating as per customers\' requirement
8. Use :municipal engineering, Traffic, pavement ,electronics,telecom, cable, petroleum, chemical industry, or drainage system and industrial facilities of valve well.
D400 Clear Opening 400mm Casting manhole cover/cast iron manhole cover price
Clear Opening: 390*390mm
Frame size: 490*490mm
Frame depth: 75
Testing Loading: D400
Material: Ductile iron GGG500-7&400-12
Standard : EN124
1. Advantage of our Manhole Covers
1) Can supply all kinds of load class Product such as A15/B125/C250/D400/E600/F900
2) Against theft and safety, double sealed, watertight type
3)material No. GGC50(DIN1693-73),QT500-7(GB/T1348-1988), 80-55-06(ASTM A536), FCD500(JISG 5502-2001),500/7(BS2789:1985).
4)Free charge of design.
5) 3 day pay for ready if the request in storck.
2. Detailed information of manhole cover
1) Various manhole cover made by GX Foundry strictly conform to standard and free from sand holes, blowholes,distortion or any other defects
2)Processes:
a) Automatic machine lines
b) Moulding boards
c) Green sand with hand moulding
3)Guarantee: GX Foundry will replace any heavy duty castings that have been properly installed and broken in normal use,free of charge after receipt of the broken castings.
Locking Ductile Iron Manhole Cover Frame
Quality Control
| name | Locking Ductile Iron Manhole Covers |
| material | ductile iron GGG50/7, gray iron |
| standard | EN124/1433/1563 |
| class | A15,B125,C250,D400,E600,F900 |
| shape | Round |
| Size | 600*600,840*840, 850*850 or as per customers' drawing |
| paint | bituminous black |
| advantage | Non-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive appearance |
| molding | DISA Line |
| process | Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection |
| application | footway, pedestrians, car parks, aircraft pavements |
| certificate | BSI, ISO9001:2000 |
| Strict quality control | Tensile strength: 500Mpa Yield stress : 320Mpa Elongation rate : 7% Hardness: HBS170-230 |
| Main products | Manhole covers and grates, Furnace, bases, Machinery parts, cookers, Valve bodies, pipe fittings, Auto parts |
| other information | we can cast and process any type of iron casting products according to customers' drawing or samples |
Size( customized available for other dimensions)
| Order No. | 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 |
Material composition:
| Tensile strength | 560Mpa | Yield strees | 340Mpa |
| Elongation rate | 7.5% | Hardness | 210HBS |
| Material | GJS500-7(GGG50) | Standard | EN 124 |
1. Q: Why choose Shengao product?
A: We shengao have our own plant-- Weifang Shengao machinery Co.,Ltd, therefore, we can surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
3. Q: Do you provide customized forging products?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
4. Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
If there's anything I can help, please feel free to contact with me.
