Check Valve a popular type of pipe valve are used to prevent flow reversal in piping systems. Check valves are appropriate for service in horizontal or vertical piping tuns. In other words, check valve is a mechanical device that allows fluid to flow through it in only one direction. Check valves consist of two-port valves. This means that they have two openings in the body, one for fluid to enter and the other for fluid to leave. That is why they are classified as "one-directional valves”. They are available in various designs, sizes and materials and used in a wide variety of applications.

Materials used:

Brass

Copper

Cast Iron

Bronze

Ductile iron

Stainless steel

Metal alloys

Plastic

Ceramic etc.