+7 (812) 645-08-06
Rotary drilling rig / piling - 21 546 mm | SR250
The SR Series Rotary Drilling Rig SR250 engineered by SANY feature a 5-step anti-vibration mechanism that penetrates drilling vibrational frequency, ensuring an excellent reliability. They are equipped with a particular lubricating technology that enables operation in a high-temperature ambient. They also offer three drilling modes which includes standard, reduce speed, and high performing torque or small torque. With its detachable rotary drive key and symmetry structure, prolonged service life is possible. The machine's central clamp provides a touch-bottom safety, priority control, and rapid line speed. Also, their crowd cylinder offers two operation modes namely, the normal lifting and fast lifting modes that enhance the product's push capacity.