The tilting disc check valve and common check valves both serve the purpose of preventing backflow of the medium in pipeline systems, but they have differences in structural design and working principles. This article will compare and discuss the differences between the tilting disc check valve and common check valves.

Structure Design

Tilting Disc Check Valve: The disc of the tilting disc check valve is inclined, allowing the medium to flow smoothly through the valve in the forward direction due to the special design of the disc. When the flow direction reverses, the disc swiftly closes the valve to prevent backflow of the medium.

Common Check Valve: Common check valves typically utilize components such as discs or spheres. When there is a change in the flow direction of the medium, the disc or sphere automatically closes to prevent backflow of the medium.

Working Principle

Tilting Disc Check Valve: The tilting disc check valve operates by the inclined positioning of the disc, utilizing the fluid flow's momentum to open the valve. In the event of fluid backflow, the disc quickly closes the valve due to the reverse force exerted by the medium.

Common Check Valve: Common check valves control the flow direction of the medium through the movement of the disc or sphere. When there is a change in the flow direction of the medium, the disc or sphere automatically closes the valve in response to the reverse force exerted by the medium, preventing backflow.

Scope of Application

Tilting Disc Check Valve: The tilting disc check valve is suitable for various media, including liquids, gases, and steam, and is widely used in industries such as water supply, drainage, chemical, and petroleum.

Common Check Valve: Common check valves are also suitable for various media, but their structure and working principles may affect their applicability and operating conditions.

Operating Mode

Tilting Disc Check Valve: The tilting disc check valve is typically operated manually or automatically, providing easy operation and enabling remote control.

Common Check Valve: Common check valves are usually operated manually, with some also utilizing automatic control methods.

In summary, there are certain differences between tilting disc check valves and common check valves in terms of structural design, operating principles, applicability, and operating methods. When selecting the appropriate check valve, it is necessary to consider the working conditions and medium characteristics of the pipeline system to ensure that the valve can effectively prevent backflow of the medium and protect the safe operation of the pipeline system and equipment.