Check valves, return valves or one-way valves are some of the hydraulic valves that are less known and widely used despite their high consumption. Check valves prevent the reverse flow of fluid in the pipe automatically and do not require any other force to disconnect and reconnect. These valves are highly sensitive to flow.

Long life, reasonable price and no need for high service are the advantages of these valves.

There are different types of check valves, such as: ball, piston, double-sided and…. Which should be selected according to the application of each.