Rescue air bags are the special equipment for rescue operation, it is used for lifting the heavy object or expanding the narrow opening, keep the object stable or help other kinds of rescue tools work. Normally, rescue equipment includes hydraulic rescues tools, manual breaking kit and rescue air bags. Rescue air bags are powered by air, the power unit is air cylinder or foot pump, the working pressure is 8 bar or 12 bar, much lower than the hydraulic rescue tools, but the force is much bigger because of the big area. The small insert height, strong lifting force, large lifting height and high safety factor are the unique features.
There are two kinds of rescue air bags in the market, round and square type. Square type is the traditional one, round type is much stable during the lifting operation, especially two or three rescue air bags are working together, they can be connected by screw.