OEM Heavy Duty Cast Iron Drain Grating Tax Round and Square Manhole Cover Drainage Grating Used in Highway Construction

Features: 

1, Material ductile cast iron
2, Specification: 966x422x78mm 
3, Loading: EN124 D400. 
4, Surface: Black bituminous paint, epoxy painting or as per client's requirements 
5, Packaging: Iron or wooden pallet with steel strip and plastic film 
6, Advantage: Non-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive appearance 
7, We could manufacture as your drawing. (OEM is acceptable) 
8, Certificates: SGS, BV, ISO9001-2008.

Detailed information 
1) Various manhole cover made by Hebei Mingda  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
 

Bearing Class / Loading Capacity of Cast Iron Manhole Covers
Class	Apply to	Bearing	Remarks
EN124-A15	Areas where only passed by Pedestrians and Bicycles.	15KN
EN124-B125	Footways, parking lot or similar areas.	125KN	HOT-SELLING
EN124-C250	The edge combinative area of vehicle road and the pavement.	250KN
EN124-D400	Vehicle area and urban arterial road.	400KN	HOT-SELLING
EN124-E600	Shipping port and parking apron area.	600KN
EN124-F900	Airplane taxiway and huge dock.	900KN

 

Our factory 










company introduction:

Hebei Mingda International Trading Company is a trading company which is specialized in castings,forgings and machinery parts.
Our products include all kinds of raw castings to be made of ductile iron , grey iron , brass , stainlesssteel and aluminums,
machined castings and forged parts . To make these parts according to thecustomers' drawings ,
we have relative suitable production craft and equipments, such as resin sand ,sand mould , hot core boxes , lost-wax , lost foam and so on .
Specially for hydrant bodies and valves' bodies, we have collected rich experience for these products inthe past 16 year's actual production,
Now we are proud of our products with good surface and highquality material. Whatever,we have been trying our best to provide our customers with better qualitycastings by improving production crafts and more careful quality control.
With more than 10 years' experience in custom precision machining services, we are committed to provide high quality products with competitive prices.
We can provide CNC precision machining parts, CNC turning parts, CNC milling parts, surface grinding, CNC engraving etc.
Parts can be produced from 1mm to 300mm in aluminum, alloy steel, stainless steel, brass and plastic (nylon, PMMA, teflon etc.).
And we can also do the secondary processing and sub-assembly work for you when CNC prototyping or production is completed.

More than 10 years' experience of designing and producing all kinds of precision machining parts.
CNC Precision Machining Metal parts for customers overseas and domestically.
Specialized in manufacturing products and components with tight tolerances and complicated shapes.
OEM Ductile iron sand castings, lost foam casting, Vacum Moulding and so on,the moulding craft will be slected according to the actual tolerance request and demand quantity. Most of Our produced castings are used for valves, hydrants, pumps,trucks,railway and train and so on.
Looking Forward To Receiving Your Kind Favorable Reply At Your Earliest!