SMC/FRP EN124 Composite Manhole Cover
USD $30 - $90 /Piece
Min.Order:100 Pieces
Jizhou Dongding Chemical Equipment Trade Co., Ltd.
SMC/FRP EN124 Composite Manhole Cover
1 Anti-theft: cover and base frame integrate connection, hinge-type opening, sledgehammer hit not break it, completely anti-theft.
2 Loading Ability: the toughness of ductile iron is fourfold that of ordinary cast iron, close to steel materials, suitable for all kinds of road use!
3Corrosion resistent: Sewer internal environment complex, filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years.
4 Opens conveniently: light weight, single unarmed can be open, convenient downhole maintenance!
5 Superior safety performance: It often occurred underground explosion accident, fly up covers scarred passers-by , manhole covers integration connections will not depart from the ground.
Glass fiber reinforced plastic covers and other traditional manhole cover comparison
| Cement manhole cover | Cast iron manhole cover | Magnesium the manhole cover | Polymer manhole cover | FRP manhole cover |
Wight | 110kg | 130kg | 80kg | 50kg | 30kg |
Resistance to dismantle strength | 15Mpa | 21Mpa above | 21Mpa | 21Mpa | 25.8Mpa |
appearance | Cement color | Black, rust | Colorful, light-colored | Colorful, unfast | Color, level off, smooth |
life | 10 years | 20 years | 10 years | 10 years | 50 years |
Internal strengthen material | Half-round bars | No | Bamboo reinforcement | reinforced | rebar |
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usage | Easy happening drop horn, cracked, breakage phenomenon | The high cost and the rust, easy to steal | Reverse bittern, bibulous, easy weathering | Encounter heat too fragile, encounter heat difficult open and aging | Security, environmental protection, beautify the environment, the cost is low |