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GPY300 hydraulic backfiller is mainly used to backfill the screened material into the trench through the conveyor belt, and fit in with the pipeline construction in gobi and desert.Two idle tracks support the weight of the entire system and can be lowered and lifted separately, hydraulically, so to keep the constant lateral and longitudinal inclination of the screen. The high frequency vibration screen is driven by hydraulic motor and its mesh can be change according to the need of backfilling. The strong grid over the screen acts as a protection from the huge blocks that might damage it. The conveyor belt which driven by hydraulic motor can rotate in 2 directions according to the side on which the product must be unloaded and its velocity is stepless. The point of falling of the scrappy soil is controlled by the telescopic cylinder. The actions of the backfiller are realized by the radio-control. After the finish of construction or transporting, the conveyor belt can fold to decrease the width of the backfiller.

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