Multi-stage pressure-reducing regulating valve

The multi-stage pressure-reducing regulating valve provided by Viti Industry adopts a large valve cavity structure and is specifically designed for high-pressure differential conditions. It is particularly suitable for special working conditions with very high flow rates, frequent erosion and corrosion at the internal throttling parts, as well as cavitation caused by cavitation phenomena, noise and vibration. Common multi-stage pressure reducing control valves are classified into three types. Although they differ in structure, they share a common working principle. They all reduce the total pressure difference in multiple stages by changing the structure, making the pressure drop Δp1 of each stage less than the critical pressure difference for cavitation, thereby effectively avoiding the occurrence of hazards such as cavitation. Common multi-stage pressure reducing control valves are classified into three types. Although they differ in structure, they share a common working principle. They all reduce the total pressure difference in multiple stages by changing the structure, making the pressure drop Δp1 of each stage less than the critical pressure difference for cavitation, thereby effectively avoiding the occurrence of hazards such as cavitation.

Design features of the multi-stage pressure reducing regulating valve provided by Viti Industry:

The large valve cavity structure ensures that the medium does not exceed the speed limit inside the valve body, and the throat diameter is larger than that of similar products.

2. The nine-stage pressure reduction design prevents erosion, flash vapor erosion, and reduces vibration and noise.

3. Diverse labyrinth sleeves, suitable for different working conditions. Multi-layer balanced sleeve, with balanced force distribution during the opening process.

4. The special fluid flow channel inner cavity ensures that flash evaporation, cavitation and cavitation do not occur in critical areas, thus ensuring a long service life.

5. Hardening of the internal components of the valve through high-temperature heat treatment.

6. The surface of the sealing surface is made by surfacing with ultra-thick hard alloy or by plasma supersonic spraying.

7. Replaceable valve cores, sleeves and seats enable quick maintenance and repair.

8. The special fluid flow channel inner cavity reduces the occurrence of flash evaporation, cavitation and cavitation, thereby protecting the valve and extending its service life.

The performance parameters of the multi-stage pressure-reducing regulating valve provided by Viti Industry