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500mm/600mm/700mm Round SMC Composite Manhole Cover
500mm
600mm
700mm
This product range covers 500mm, 600mm and 700mm round inspection manhole covers made from glass fiber reinforced SMC/FRP composite material. The covers are presented for underground utility access in locations including walkways, residential areas, green belts, parks and selected light-vehicle areas.
The correct option depends on both size and load class. A product named 500mm, 600mm or 700mm should not be ordered on its name alone: confirm the clear opening and complete cover-and-frame dimensions against the project drawing.
Product size | Load class | Published test load | Published weight | Applications described on this page |
|---|---|---|---|---|
500mm | B125 | 125 kN | 23 kg | Walkways, residential sidewalks, green belts and non-motor-vehicle utility areas |
500mm | C250 | 250 kN | 29 kg | Residential internal roads, driveways and light-duty parking areas |
600mm | B125 | 125 kN | 34 kg | Sidewalk inspection wells, residential utility wells, green belts, parks and campuses without motor-vehicle traffic |
600mm | C250 | 250 kN | 41.5 kg | Residential driveways, light-duty parking areas and locations with occasional light-vehicle passage |
700mm | B125 | 125 kN | 41 kg | Larger pedestrian inspection wells, residential utility wells, green belts, parks and campuses |
700mm | C250 | 250 kN | 63.5 kg | Larger inspection wells in residential estates and light-duty parking areas with occasional light-vehicle passage |
Product size | Load class | Published test load | Published weight | Applications described on this page |
|---|---|---|---|---|
500mm | B125 | 125 kN | 23 kg | Walkways, residential sidewalks, green belts and non-motor-vehicle utility areas |
500mm | C250 | 250 kN | 29 kg | Residential internal roads, driveways and light-duty parking areas |
600mm | B125 | 125 kN | 34 kg | Sidewalk inspection wells, residential utility wells, green belts, parks and campuses without motor-vehicle traffic |
600mm | C250 | 250 kN | 41.5 kg | Residential driveways, light-duty parking areas and locations with occasional light-vehicle passage |
700mm | B125 | 125 kN | 41 kg | Larger pedestrian inspection wells, residential utility wells, green belts, parks and campuses |
700mm | C250 | 250 kN | 63.5 kg | Larger inspection wells in residential estates and light-duty parking areas with occasional light-vehicle passage |
These are the configurations and figures published on the current product page. Confirm the load test documentation, weight basis and final dimensions for the selected combination before ordering.
The page describes B125 options primarily for pedestrian and non-motor-vehicle areas. Its C250 options are described for certain residential internal roads, driveways, light-duty parking areas and occasional light-vehicle use.
Provide the actual traffic conditions and the project’s required load class when making an inquiry. Do not treat the diameter or a general “10T” description as a substitute for selecting the correct configuration.
The range is described as glass fiber reinforced SMC/FRP composite. The current page shows inspection-use identification with the “检” marking and discusses project-specific branding and surface options. Its detailed paragraph on an optional anti-theft lock refers specifically to the 500mm cover; confirm whether that option is available for the chosen 600mm or 700mm configuration.
Send any required logo, usage marking, surface pattern or color specification with the inquiry so the available configuration can be checked.
For a suitable recommendation, send the required product size, measured clear opening, frame dimensions, installation location, required load class and quantity. Include a drawing or photo of an existing well where available.
Browse the inspection manhole cover category for other formats. Changan also lists a separate 700mm round cover for water utilities; check that product’s own specifications before treating it as interchangeable with a configuration on this page.
The page lists 500mm, 600mm and 700mm round covers. Each size has a B125 configuration with a published 125 kN test load and a C250 configuration with a published 250 kN test load.
The published specification table distinguishes six size and load-class combinations. Select the required combination from that table and confirm its test documentation; a single “10T” statement does not describe the full range accurately.
The current page names these as product sizes but does not provide clear opening dimensions for each configuration. Request the cover-and-frame drawing before confirming the fit.
The page discusses branding, inspection-use marking, surface options and an optional lock for the 500mm version. Provide the required size and details so availability for that specific configuration can be confirmed.
Send the size and load class you need, well opening and frame dimensions, installation location, quantity, drawing and any marking or finish requirements.
