Welcome to SYI Group
Nodular Iron Manhole Cover
About Our Nodular Iron Manhole Cover:
Ductile Iron
Hinge Type (available)
Single seal / Double seal (available)
Lock(available)
Closed key hole (available)
Recessed type (available)
Two lifting Key holes (available)
Double triangular (available)
Cut-corner Design (available)
Nodular Iron Manhole Cover
About SYI Group Information:
About SYI Foundry
SYI Foundry has been involving in casting business for more than 20 years. Based on good quality, competitive price, on-time delivery, we've got great reputation all over the world. Not only do we have advanced equipments, but also own a very strong engineering team. Some of our engineers have been working in casting fields for over 30 years.
All castings shall be smooth and free from sand holes, blow holes, distortion or any other defects.
With annual production capacity of 35, 000 tons, our major equipments include 2 sets of automatic moulding lines, 4 sets of 5-ton cupola, 2 sets of load test machines, 1 epoxy coating machine, 3 sets of core-shooting machines, 3 sets of shot blasting machines, 2 sets of water pressure machines, 2 machining workshops and all necessary chemical and physical test facilities.
GUARANTEE: SYI Foundry will replace any Heavy Duty covers/gratings, that has been properly installed and broken in normal use, free of charge after receipt of the broken casting.
Production Facility
Besides traditional hand moulding, we also use Automatic Moulding Lines to manufacture manhole covers for better surface condition and dimension accuracy.
Quality Control
Quality Control Department
Raw Material Inspection
Raw Material inspection including chemical
Components analysis, tensile strength test and etc.
Quality Control Groups
Dimensions Test
Manufacture process Inspection
Process Inspection including sand cleaning, assembling, packing and coating
Final Inspection including delivery marks and etc.
Particular Tests for different products, such as Load Test, Hydro Test and etc.
Laboratory
Chemical Components
Microstructure Test
Tensile Strength
Our Nodular Iron Manhole Cover:
Nodular Iron Manhole Cover
Contact Us:
If you have any specific inquiry about Nodular Iron Manhole Cover, please contact us via the following ways:
1. Tel: 0086 351 2027764
2. Fax: 0086 351 4040962
|
Tensile strength |
560Mpa |
Yield strees |
340Mpa |
|
Elongation rate |
7.5% |
Hardness |
210HBS |
|
Material |
GJS500-7(GGG50) |
Standard |
EN 124 |
