Low failure rate SANY SR220C Rotary Drilling Rig

Stronger power, able to handle hard rocks

Compared to SR200C, SR200C has a higher torque of 20kN · m and a larger engine power of 66kW. It can increase drilling speed by more than 20% in thick gravel, moderately weathered sandstone, and limestone, without the need for frequent cylinder changes or sand scoops.

Outstanding capability of large-diameter deep piles

The maximum aperture is 2.3m and the maximum depth is 66m, which meets the requirements of bridge pier foundations and high-rise independent large piles. The SR200 has a maximum diameter of only 1.8m and 59m, making it completely difficult for large pile projects.

The whole machine has sufficient weight and good stability

71 tons of self weight, thick and high-strength welded mast, small shaking of the machine body during deep pile and large-diameter construction, higher verticality of the drilled hole, and less likely deviation during casing construction.

Hydraulic system is heavy-duty and durable

Kawasaki main pump+Rexroth power head motor, with sufficient pressure reserve under heavy load conditions, and a lower failure rate of internal and oil leakage during long-term hard rock construction compared to the old model; The floating anti collapse hole function of the main winch is mature.

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