Single Plate Wafer Type Check

The single plate wafer type check valve is a check valve with a simple structure and easy installation. It is mainly used to prevent the reverse flow of the medium in the pipeline. Its design is compact and suitable for occasions with limited space.

Structure And Working Principle

The single plate wafer type check valve consists of a valve body, a single-piece valve disc, a spring (optional) and a seal. The valve disc is connected to the valve body through a hinge or a spring. When the medium flows forward, the fluid pressure pushes the valve disc to open and the medium passes; when the medium stops flowing or flows in the reverse direction, the valve disc quickly closes under the action of gravity, spring force or reverse pressure to prevent backflow.

Features And Advantages

Simple structure: few parts, easy to manufacture and maintain.
Compact design: small size, light weight, suitable for pipeline systems with limited space.
Low flow resistance: The valve disc design has less resistance to the fluid and is suitable for large flow occasions.
Quick closing: effectively prevents medium backflow and water hammer phenomenon.
Easy installation: The wafer design can be directly installed between the pipe flanges without additional support.

Application Fields

Single plate wafer type check valves are widely used in the following fields:

Water treatment

Used in water supply and drainage systems to prevent sewage backflow.

Oil and gas

Used in pipeline transportation systems to protect pumps and compressors.

Chemical industry

Used for pipelines for corrosive media.

Electricity

Used in boiler water supply systems, cooling water systems, etc.

Selection And Installation Precautions

Medium characteristics: select appropriate materials and sealing materials according to the corrosiveness, temperature and pressure of the medium.
Pipeline size: the valve diameter should match the pipeline size.
Installation direction: ensure that the valve installation direction is consistent with the medium flow direction.
Maintenance cycle: regularly check the wear of the valve disc and seals, and replace damaged parts in time.

Single plate wafer type check valve has become an important component in industrial pipeline systems with its simple structure, easy installation and low flow resistance. Through reasonable selection and correct installation, it can effectively prevent the backflow of the medium and ensure the safe operation of the system.

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