Product description :
material : ductile iron GGG50
standard : EN124 TS1478
loading : B125 , C250,D400
surface treatment : Bituminous paint coating
dimension , weight : according to your drawings
Advantages of our product:
1. Environmental protection
With raw material non-toxicity, it will not influence to user.
manhole cover has the advantages of high strength and good electrical insulation properties, waterproof, aging resistance, acid and alkali resistance, impact resistance.
3. Competitive price
The price of compound manhole cover is lower than stipulated standard cast iron ones. The manhole cover has no recycling value, to theMinistry of construction industry standards.
4. Light weight
The weight is 1/3 lighter than cast iron ones so that it is convenient to transport, install, rush repair; construct easily and reduce working intensity.
5. Nice appearance
Beautiful appearance and rich colors; the cover is not sprayed in surface but painted in whole material so that the color can keep lasted.
Non-recycle material, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city blackhole can be stopped totally.
7. Low noise
Harsh noise and rebounding free when car roll.