Dual Cylinder

The product for foot, hand press type dual-purpose, by suction nozzle, a cylinder cover, piston rod, a piston, a cylinder, a sealing ring, a bracket, an air inflating valve, outlet valve plate, pressure plate, a spring, a base and other components. The limit of the suction pressure is less than 6.7 * 103Pa (500mmHg), the minimum air pressure is over 2.9 * 105Pa (3kgf/cm2). Products by the outer cylinder and the suction nozzle, an air inflating valve, a base made of ABS engineering plastic pressing as a whole, the outer cylinder size diameter 36mm x 130mm, bottom diameter is 80mm.