FRP Composite manhole cover
With a better performance than Cast Iron, Ductile Iron and RCC manhole covers, this product is an industrial revolution.
Our covers are available in all standard sizes with load bearing capacity ranging from 1.5 tons(A 15) to 40 tons(D 400). They are circular, square and rectangular shapes available with single and double sealed arrangements. Locking arrangement on the cover is also available on request.
LIGHT DUTY – Test load-2.5 Ton
Suitable for use within residential complexes, for areas accessible to pedestrians and bicycles and occasional Light Motor Vehicle traffic. These manhole covers can also be used for ‘Inspection Chambers’.
MEDIUM DUTY-Test load-10 Ton
Suitable for use under medium-duty vehicular traffic, passenger cars and vehicles of comparable weight including car parking areas.
HEAVY DUTY-Test load-20 Ton
Suitable for use in carriageways with fast moving traffic, including trucks, city trunk roads, bus terminals with heavy dutyvehicular traffic.
Parameter | RCC | CI | ASTM Test Method |
Life Span | Low | Moderate | High |
Strength / Weight Ratio | Very Low | Moderate | Very High |
Cost | Low | Moderate | Comparable to CI |
Scrap Value | Low | High | Nil (Zero Scrap Value) |
Colour Range | Concrete Gray | Black | Range Available |
Logo Embossing | Not Available | Not Available | Possible |
Custom Design/Size | Not Available | Not Available | Possible |
Handling | Difficult | Difficult | Easy |
Thermal Expansion | Negligible | High | Nil |
Corrosion Resistance | Low | Medium | High |
Abrasion Resistance | None | None | Yes |