How Many Are The Classifications Of Marine Valves

Marine valves are Marine equipment used to control the pressure, flow and flow direction of the fluid in the ship pipeline to meet the environmental conditions of the ship. Valve is a fluid pipeline control device, its basic function is to connect or cut off the flow of the pipeline medium, change the flow of the medium, change the direction of the flow of the medium, adjust the pressure and flow of the medium, and protect the normal operation of the pipeline equipment.

There are many kinds of classification of Marine valves, which can generally be classified according to some characteristics

Classification by use: 

Marine valves can be divided into cut-off valves, check valves, safety valves, regulating valves and diverter valves according to their use. These valves are used to connect or cut off the medium in the pipeline, prevent the reverse flow of the medium, ensure that the pressure in the pipeline or device does not exceed the specified value, adjust the flow and pressure of the medium, etc.

Classification by material: 

Marine valves can be divided into cast steel valves, cast iron valves, cast copper valves, forged steel valves and wrought copper valves according to the material. These valves are suitable for different fluid media and working conditions, with different pressure resistance, corrosion resistance and other performance requirements.

Classification by structural form: 

Marine valves can be divided into gate valves, globe valves, plug valves, ball valves, butterfly valves and diaphragm valves according to structural form. These valves have different structures and characteristics and are suitable for different piping systems and fluid media.

Classification by driving mode: 

Marine valves can be divided into manual valves, pneumatic valves, electric valves and hydraulic valves according to driving mode. These valves can be operated and controlled by different power sources and have different use and maintenance requirements.

Classification by connection form: 

Marine valves can be divided into internal thread connection valves and external thread connection valves according to the connection form. These valves are suitable for different piping systems and installation requirements, with different connections and dimensions.

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