Manhole Covers are manufactured for construction and public use.The manhole consisting of a frame and a cover and /or a grating. Manhole cover can better protect the safety of pedestrians and vehicles, and can better prevent rain and other liquids from entering. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects.
Coating: Black bitumen Each individual clearance is limited to a maximum of 3mm
Grade: AA1900KN, AA2 600KN, A1 400KN, A2 230KN, B 125KN, C30KN