According to the absorption of foreign technology, combined with the needs of our market, after years of improvement and upgrading gradually form the current energy-saving excellent products, and sometimes through the use of products, self-absorption Pump can play a better functional effect. So what are the main purposes of self-priming pump? What are the main purposes of self-priming pump? 1, Can be used with any type and specification of filter press to send the slurry to filter press for the best matching pump. 2, fitted with rocker-type nozzle, but also the water rushed into the air, scattered into a small raindrop spray, farm, nursery, orchards, tea plantations a good tool. 3, for water, seawater and acid, alkalinity of the chemical medium liquid and paste with a general paste (medium viscosity ≤ 100 PCT, solid content up to 30% or less). 4, ZW self-priming non-clogging sewage pump for chemical, petroleum, pharmaceutical, mining, paper, fiber, pulp, textile, food, power plants and municipal sewage projects, public facilities, sewage, pond culture and other industries. The value of each product is its use, for the self-priming pump, its different structures, different types have different uses, for self-priming pumps, it is with the help of foreign technology, its start relative to other Pump has the inherent advantages of such sewage capacity, energy-efficient products once available by the user's favorite, with the continuous improvement in recent years, its use is more extensive, while the use of self-priming pumps have also been applied.