Description: AKO is a pinch valve manufacturer with over 25 years of experience. Within the last few years, AKO has become the leading manufacturer of pneumatic pinch valves. AKO's pneumatic pinch valves are directly air operated. The mechanical pinch valves manufactured by AKO are operated by pneumatic or hydraulic cylinders or electrical drives. Besides the different actuator options, their mechanical pinch valves can be actuated manually by hand wheel. The pinch valves AKO manufacturers are available in sizes from 3/8 inch to 25 inches. For additional information about AKO's pinch valve product line, please visit their website.