2BE series water ring vacuum pumps and compressors is the basis of years of scientific research and production experience combined with international advanced technology developed energy-efficient products, usually used for suction without solid particles, insoluble in water, non-corrosive the nature of the gas, in order to form a vacuum in the airtight container and pressure. By changing the structural material, the working fluid can also be used for pumping corrosive gases or corrosive liquids. Widely used in papermaking, chemical, petrochemical, light industry, pharmaceutical, food, metallurgy, building materials, electrical appliances, coal washing, beneficiation, fertilizer and other industries.