Hydraulic Products Hydraulic Gear Pump, Valve, & Power Package Gear Pumps. Stack Valves. Power Packages. Introducing SerenadeTM, new state-of-the-art low noise & low vibration technology developed by Shimadzu. Sample of Shimadzu Hydraulic Products Hydraulic Product Information Please use the button on the left to get more information on Shimadzu Hydraulic Products such as Gear Pumps, Valves, and Power Packages. Corporate Hydraulic Home Page Please use the button on the left to learn more about Shimadzu Hydraulic product lineup from our corporate web site in Japan.