Address:
Taiwan,China
Main Products:
Manhole cover,gully grating,tree grating,wire stand,manhole step
manhole cover :1 Feature
A Environmental protection
With non-toxicity raw material, it will not influence to user
B Saving mine resource
It is made by regenerated resin or regenerated plastic raw material, which save application of cast iron
C Longevity
Acidalkali and corrosion resistance; anti-rust; insulation ; anti-abrasion; weather ability; excellent anti-pressure capability
D Competitive price
The price of composite manhole cover is lower than stipulated standard cast iron ones;
E Light weight
The weithg is 1/3lighter than cast iron ones so that is is convenient to transport, install, rush repair; construct easily and reduce working intensity.
F Nice appearance
Outstanding dying, rich colors; the cover is not sprayed in surface so that the color can keep lasted.
G Anti-theft
Non-recycle, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city black hole can be stopped totally.
2 Application
In order to keep the ground flat or safe, the bricks are tiled above the manhole at the place where the manhole covers are placed
Electric power pipeline well, telecommunication, communication pipeline well;
Street lamp well, fire control well, all kinds of valve wells;
City water, drainage pipeline well; heat supplied, gas well;
3 specifications
Item no. | Shape | Normal dimension (mm) | Cover thickness (w/ear mm) | Frame depth (mm) | Frame (mm) | Outer dimension (mm) | Weight (kg) | Carrying capacity (ton) | Application |
YH-ZZ-Q-500x500 | Square | 500x500 | 90 | 55 | 450x450 | 680x680 | 16 | 20 | Footway, bikeway, plaza. |
YH-ZZ-P-500x500 | Square | 500x500 | 90 | 55 | 450x450 | 680x680 | 25 | 50 | Residence district road, plaza where minitype vehicles pass |
YH-ZZ-Q-700x700 | Square | 700x700 | 90 | 60 | 630x630 | 790x790 | 30 | 20 | Footway, bikeway, plaza. |
YH-ZZ-P-700x700 | Square | 700x700 | 90 | 60 | 630x630 | 790x790 | 46 | 50 | Residence district road, plaza where minitype vehicles pass |
YH-ZZ-Q-850x850 | 850x850 | 90 | 100 | 650x650 | 880x880 | 41 | 20 | Footway, bikeway, plaza. | |
YH-ZZ-Q-850x850 | 850x850 | 90 | 100 | 650x650 | 880x880 | 75 | 50 | Residence district road, plaza where minitype vehicles pass |
Various specifications can be made per customers requirement.
4 Technical standard
Bending strength | ≥22Mpa |
Impact intensity | ≥104J/m2 |
Compressive strength | ≥25Mpa |
Tensile strength | ≥10Mpa |
Modulus of elasticity | ≥1000Mpa |
Water absorption | <1% |