Air hydraulic pumps are designed to move liquid by pressure or suction. These are energy-saving pumps that are operated by a compressed air source and require no energy to maintain system pressure. In both the single- and two-stage air hydraulic pumps, air pressure is simply converted to hydraulic pressure, and these stall when enough pressure is developed.
Air Impact Wrenches are used in auto repair. Air impact wrenches feature a multispeed control, ball bearing construction and are sealed against oil leakage. They feature durable clutch mechanism with oil lubrication and contoured elastomer handle grip. Air impact wrenches are used to tighten nuts.