OEM Ductile Iron Anti-Settling Falling Heavy-Duty Round Cast Iron Manhole Cover
Product Description
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.


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.
- As the original manufacturer, we can provide factory prices directly;
- Free sample is available for the quality testing demands of client;
- Huge production capacity to meet spot supply;
- Excellent R & D production team for your various requirements escort.
- We have been exporting our manhole cover to more than 80 countries and areas
- We can provide OEM &ODM services support customization in order to satisfy various personalized needs of clients
- We have strict quality testing measures and high specification testing equipment to effectively ensure product quality
- We have a sales team directly under the factory, so that customers can contact the factory directly for any problems during the period of pre-sales, production and after-sales.
name |
Round Cast Iron Water Drainage Manhole Covers/Septic Tank 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 |
FAQ
Q1: Why choose us?
A: We have our own factory, Weifang Shengao Machinery Co., Ltd., so we can guarantee the quality of each product and provide you with competitive prices. We are committed to providing customers with first-class quality supply services, hoping to establish successful cooperative relationships with partners and become their preferred supplier.
Q2: What if you can't find the product you need on our website?
A: You can send pictures and drawings of the required products by email, and we will confirm whether we have them. Or you can also send samples by DHL/TNT, and we will tailor them for you.
Q3: How to customize (OEM/ODM)
A: If you have new product drawings or samples, please send them to us. We can customize the hardware according to your requirements. We will also provide professional product suggestions to make the design more specific and maximize performance.
Q4: Can you strictly follow the tolerances on the drawings and meet high precision requirements?
A: Yes, we can, we can provide high-precision parts and manufacture parts according to your drawings.
Q5: What is the payment method? How should I order and pay?
A: We accept T/T (bank transfer), Western Union, L/C.
Sample: 100% paid with order;
Production: 30% deposit paid by T/T before arranging production, and the balance paid before shipment.
Q6: What is your minimum order quantity?
A: The minimum order quantity depends on the customer's needs, usually 100-200 pieces. in addition, we also accept trial orders before mass production.
Q7: How long is your delivery time?
A: Standard parts: 7-15 days
Non-standard parts: 15-25 days
We will deliver as soon as possible while ensuring quality. The production cycle will vary greatly according to product size, technical requirements and quantity. We always meet customer requirements by adjusting the workshop schedule.
Q8: Which mode of transportation is better?
A: Generally speaking, due to the heavyweight of the product, we recommend shipping by sea, and we also respect your opinions on other modes of transportation.
Q9: Can I know the progress of my product without visiting your company in person?
A: We will provide a detailed product schedule and send weekly reports with digital photos and videos to show the progress of processing.
Q10: How to ensure quality?
A: The company has strong technical support, and all our processes strictly follow ISO9001:2008 procedures. From production to delivery, we always strictly control quality.
Q11: If the product you produce is of poor quality, can I refund it?
A: We strictly produce according to the drawings or samples until you are 100% satisfied. In fact, we will not take the risk of producing inferior products.
If there's anything we can help, please feel free to contact with me.