... flow control. Cartridge Valves began as simple relief valves, check valves, and flow control valves. The combination od ... designed circuits using a variety of cartridge valves. Cartridge Valves are manufactured in a variety of different ... valves.Why Chosing Finotek hydraulic cartridge Valves:Cartridge Valves started off simply as check valves, flow control valves, and relief valves. Cartridge valves ...