As usual, let’s look at the definition of a valve first: a valve is a control device for a fluid pipeline. Its basic function is to connect or cut off the flow of the pipeline medium, change the flow of the medium, change the flow direction of the medium, and regulate the pressure and flow of the me Read More

As usual, let’s look at the definition of a valve first: a valve is a control device for a fluid pipeline. Its basic function is to connect or cut off the flow of the pipeline medium, change the flow of the medium, change the flow direction of the medium, and regulate the pressure and flow of the me Read More