EVP brand liquid ring vacum pumps and compressors are highly efficient and energy saving products based on our years of research and experience, and combination with advanced international technology. They are usually used to pump the gas without solid particles, undissolved, and non-corrosive gas to create vacuum and presure in closed container. By changing the wet parts material, they are also used to pump corrosive gas or using corrosive liquid as working liquid. They are widely used in industries like oil & gas, steel, paper making, chemical, petrochemical, light industry, pharmaceutical, food, metallurgy, construction, coal mining, fertilizer, ore dressing, power industry etc.