G series crane rotary buffer valve, a special valve for controlling rotary movement of the crane, possesses various control methods such as mechanical, electric and hydraulic control. Achieving functions of left and right steering, free slip, start and stop buffer, the product applies to cranes of automobile, rough-terrain, all-terrain and crawling.
Bi-directional buffer valve with integrated special structure achieves independent protection and cuts down dynamic impact.
Negative torque replenishment prevents system suction.
Special design of valve rod provides good speed regulation with low hysteresis.