It is suitable for complex foundation engineering construction, such as soil layer, cemented gravel and rock socketed, and it is widely applied to bridge bored pile and underground diaphragm wall foundation engineering.

The impact frequency of reverse circulation rig is 40 times/min, the main and the auxiliary hoisting capacity is 30kN, the motor power is 45kW, not include 6BS pump. The weight of the shot bit is 4T, and it equipped with overall cast-iron,has impact resistance, stronger impact force, high drilling efficiency, used for drilling hole diameter 800-1500mm.

The main and the auxiliary hoisting capacity of reverse circulation rig is 50kN, maximum drilling hole diameter is 2.0m and drilling hole depth is 80m,lifting stroke of hoist is 1.5-3.0m,main power is 75kW.

The reverse circulation pump unit is 3PNL and 6BS pump, can be equipped with hydraulic step displacement. In addition to the impact of the drill tip wear-resistant materials, the remaining 50mm welded steel plate, can also be equipped with a variety of specifications drill. 

Due to the continuous update and progress of technology, the difference between the technical parameters and configuration and the actual product is subject to the actual delivery.

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