1. Clarify the use of the pressure reducing valve in the water bath vaporizer or device, and determine the working conditions of the valve: applicable medium, working pressure, working temperature, etc.
2. Determine the nominal diameter and connection method of the pipeline connected to the pressure reducing valve: flange, thread, welding, etc.
3. Determine the way to operate the pressure reducing valve: manual, electric, electromagnetic, pneumatic or hydraulic, electro-hydraulic linkage, etc.
4. According to the medium conveyed by the pipeline, the working pressure and the working temperature, determine the material of the shell and internal parts of the selected pressure reducing valve: cast steel, carbon steel, stainless steel, alloy steel, stainless acid-resistant steel, gray cast iron, malleable cast iron, Ductile iron, copper alloy, etc.
5. Select the type of pressure reducing valve; determine the type of pressure reducing valve.
6. Determine the parameters of the pressure reducing valve; for the automatic steam pressure reducing valve, first determine the allowable flow resistance, discharge capacity, back pressure, etc. according to different needs, and then determine the nominal diameter of the pipeline and the diameter of the valve seat ho
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