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BS EN124 Resin Manhole Cover

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As resin manhole cover factory we focus on quality of products. In order to establish long term business, customer pay more attention to quality of manhole cover.
Important of manhole cover item:
Appearance and Load capacity
The surface of manhole cover is smooth. the height of the anti-skid pattern: the height of the pattern of A15, B125, C250 load grade is 2mm~6mm, D400, E600 The pattern height of the F900 load grade is 3mm~8mm.

resin manhole cover
2.Load capacity
The measurement accuracy is 0.1 mm, and the load is applied at a rate of 1-5 KN/s until the detection load reaches 2/3, and then unloaded. This process is repeated 5 times, and finally the final value of the geometric center is recorded, and the residual deformation value is calculated based on the difference between the initial value and the final value after the 5th unloading. If the residual deformation value meets the value specified by the manhole cover standard, it will be loaded to the test load at the same rate as above, and kept for 30s. If the inspection of the sewer cover does not appear to affect the damage of the function, it is judged as qualified, and we can conclude that the load cover of the manhole cover is not up to standard.

BS EN124 
A15: Areas which can only be used by pedestrians and pedal cycles.
B125: Pedestrian, pedestrian areas and comparable areas, car parks or car parking decks.
C250: For gully tops installed in the area of kerbside channels of roads which when measured from the kerb edge, extend to a maximum of 0.5m into the carriageway and a maximum of 0.2m into the pedestrian.
D400: Carriageways of roads (including pedestrian streets), hard shoulders and parking areas for all types of roads or vehicles.

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