What is a Check Valve?

The valve used to prevent backflow in a piping system is known as a check valve. It is also known as a check valve or NRV. The pressure of the fluid passing through a pipeline opens the valve, while any reverse flow will close the valve. It allows full unimpeded flow and closes automatically as the pressure drops. Exact operation will vary depending on the mechanism of the valve.

Check Valve Parts

It consists of body, cover, disk or ball, hinge pin and seat ring. You can see the parts of the valve in the picture below.

Valve Types

The type of disk will decide the type of valve. The most common types of check valves are:

Winged Type

. Swing Cekvalf . Tilting Cekvalf

Lift (Pressurized) Type

. Piston Tipi . Toplu Tip

Dual Plate Tip

Operated Check Valve

Application Area

Check valves should be used in all sectors and applications

Advantages and Disadvantages

It is not necessary to talk about the advantages or disadvantages of the check valve because there is only one advantage, the only function of the check valve is to prevent backflow. There is no better alternative. Yes, you can choose the best NRV from the various available types you have learned about, but you cannot complement the one-way valve with any other valve.