How to avoid valve cavitation and flash evaporation

For cavitation and flash evaporation of liquid medium valves, the only way to eliminate them is to reduce the pressure difference before and after the valves.

For the valve designer, the main idea to reduce the damage of cavitation and flash evaporation to the valve is:

Use corrosion-resistant materials. For example, hardfacing with Hastelloy and Monel on the sealing surface;

The step-by-step decompression flow passage is adopted, so that the effects of cavitation and flash evaporation are dispersed in multiple positions;

Adjust the structure so that cavitation and flash evaporation deviate from the surface of the structure.