Professional Design Drain Grate Cover Road Heavy Duty Trench Drain
Grates
Manhole Covers are manufactured for construction and public use.
Manhole Covers shall be smooth and free from sand holes, blow
holes, distortion or any other defects
2) Material
a) Ductile Iron GGG500-7 & 400-12
b) Grey Iron GG20
3) Designs
a) EN124 A15, B125, C250, D400, E600 and F900
b) A60005 for casting design
c) Major standards designs available
d) As per customers' drawings or samples
4) Process
c) Molding boards
d) Green sand with hand molding
5) Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers' requirement
6) Different accessories are available
| Product Name | wholesale good quality square cast iron garage grating drain
manhole cover IMCD-172 |
| Material Composition | Resin+Filler
Iron, ductile iron or grey cast iron |
| Shape&Size | Round: 300,400,500,600,700,etc. Square: 250*250,300*300,400*400,500*500,600600,700*700,etc. |
| Color Option | Black,Gray,Blue,Green or any customized color |
| Applications | Be widely used in Inspection wells of
power,telecommunication,mobile communication,fuel gas pipes,gas station,chemical bases,real estates,urban
arteries,high-grade highways,expressways, freight transport piers,airports,etc. |
| Product Features | High load rating and efficient Increased security with zero theft
value Anti corrosion,anti-UV and lower noise. Longer service life. |
| Keywords | composite manhole cover,manhole frame,round manhole cover |
Class
(Loading capability) | A15 B125 C250 D400 |
Function
Ductile iron castings have been used in almost all major industrial
sectors, requiring high strength, ductility, toughness, wear
resistance, resistance to severe thermal and mechanical shocks,
high or low temperatures, corrosion resistance and dimensional
stability. In order to meet these variations in the conditions of
use, there are many grades of ductile iron available, providing a
wide range of mechanical properties and kinematic properties. Most
ductile iron castings, as defined by ISO 1083, are mainly produced
in non-alloyed state.Obviously, this range includes high-strength
grades with tensile strength greater than 800 Newtons/mm and
elongation of 2%. QT500-7, a general-purpose material for ductile
iron manhole covers, has a Brinell hardness of 170-230HB.
