Watertight Concrete Septic Tank Manhole Covers for Sewer Drain
Manhole Cover
Cast iron manhole cover
We can produce all kind of manhole cover with customers' drawing or sampe.
OEM ans ODM are welcomed.
Sand casting:
Materials: Aluminum and aluminum alloys A356-T6, A319, Alsi9mg, alsi12cu3 Copper and copper alloys, others: 65-45-12, 65-40-18, 80-55-6, 90-60-3, 100-70-2 GG20, GG25, GG30 1020, 1035, 1045, 4140, 8625, 304, 316
Casting tolerance: CT9-CT12 Standards: GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
Piece weight: Al 50 g - 100 kg
Steel and iron: 0, 5 - 2000 kg
Heat treating: Annealing, discharge, carbonization, tempering, normalization and surface tempering Surface finishing: Grinding, polishing, painting and various coatings
Our Services
Design - Manufacture - Sale - Service
Any sizes and types of Cast Iron manhole covers / gratings can be customized.
Product Quality:
Service life: 30 years . (We guarantee that our manhole covers won't break and out of shape after 30 million times roller
compaction. ) High strength, high elongation and high corrosion resistance's ductile cast iron be used as the raw material
for making manhole covers. Its strength is much higher than No.45 superior carbon steel, 3~5 times higher than common
cast iron covers. 10~30 times higher than cement, resin, steel fiber and so on.
1. Manhole cover and road grate sample can be sent.
2. Customer marking acceptable
3. AutoCAD design
4.As the independent thrid part to check the product for oversea customer and supply the lawfull product quality report.
5.execute the BS EN 124 standard to promise the customer's product quality.
Please contact us for more information:
All the pattern or words on the surface of manhole cover you need, we can manufacture it for you.I represent all my company members welcome every golbal friends to visit our company for our more development and good bussiness with you.
Packaging & Shipping
Standard export packaging. Client's suggestions can be accepted.
name | Round Manhole Covers Made in China |
| 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 manhole cover?
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 you are looking for a reliable supplier, and want to produce manhole covers, please feel free to contact us.
WeiFang Shengao Machinery Co., Ltd is located in WeiFang the famous city in China and the world center of kites. It is 140 kilometers far away from Qingdao port, the transporation is very convenient. Our company use the location advantages of ShanDong province to integrate resources so that we can processing according to the drawings of customers. We mainly undertake the casting parts, machined parts and other products. Our Import and Export Department have many years experiences of foreign trade, products are mainly exported to the United States, Denmark, Italy, Russia, Australia etc.
Over the years, company adhere to the guideline for management of "Quality first, Reputation first, Delivery just-in-time, Price best". We will try our best to improve the technical level and perfect the enterprise management. Our company will depend on superior quality of products and sincere service to cooperate with dometic and overseas, new and old customers and establish eternal friendship to create a bright future.
