This pump is suitable for air suspension treating equipment, ozone water preparing equipment, and biological treating equipment. For recycling of high-grade paper fiber Pump pressure stirring, so that the gas and liquid completely dissolved, dissolved efficiency can reach 80 ~ 99%. For food and chemical removal in pretreatment for waste water treatment The suction inlet of the pump can absorb gas through negative pressure, so there is no need to use gas compressor and atmospheric ejector..syi