With the development of industry and population and the increasingly severe situation of environmental protection, the importance of sewage/wastewater treatment industry is particularly important.
The types of valves used in each process of sewage treatment are roughly as follows:
Primary treatment: mainly remove suspended solid pollutants in sewage. The valves used include knife gate valves, triple eccentric butterfly valves and filters.
Secondary treatment: Remove colloidal and dissolved organic pollutants in sewage, with a removal rate of more than 90%. The valves used are soft seal butterfly valves, gate valves, ball valves, check valves, etc.
Tertiary treatment: further treatment of refractory organic matter, nitrogen and phosphorus and other soluble inorganic matter. The valves used are butterfly valves, gate valves, ball valves, check valves, rubber expansion joints, etc.
NST VALVE can provide clients with complete valve solutions, with high quality and cost-effective products and services to present to users.
