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20" X 7" Washable Cartridge Pleated Water Filter for Swimming Pool

Sand cylinder generally placed a certain size of quartz sand, in a certain range of quartz sand size specifications are different, in the sand tank, quartz sand from top to bottom, from small to large according to this arrangement
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Our company keeps up with the trend of the times and launches novel series of High Purity Water Systems, Carbon Sand Filter Tank, Medical Ultra-Pure Water Equipment with powerful functions to bring convenience to production. We always adhere to the 'integrity-based, customer-oriented' business philosophy. We sincerely hope to cooperate with you with our professional and perfect technology and service. We firmly believe that only by ensuring quality can there be a market for us, and only by continuous product improvement can we make progress. Cost-free samples could be sent to suit your needs personally to understand much more information. Our company sets up several departments, including production department, sales department, quality control department and sevice center, etc.

Sand cylinder generally placed a certain size of quartz sand, in a certain range of quartz sand size specifications are different, in the sand tank, quartz sand from top to bottom, from small to large according to this arrangement, normal filtration, water is from the upper layer of the sand into, from the lower layer out. When water flows through the filter layer from the upper layer, the tiny empty eye formed by the solid suspended material in the water enters the upper filter material is intercepted by the adsorption and mechanical blocking action by the surface layer of the filter material, and at the same time, the overlapping and bridge effect between these trapped suspended suspended materials, as if forming a film on the surface of the filter layer, continue to filter the suspended material in the water. This is called film filtration of the surface layer of the filter material. 

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This filtering effect not only has the surface of the filter layer, but also has this retention effect when water enters the intermediate filter layer, which is different from the filter ingestion of the surface layer.

In addition, because the sand particles are tightly arranged with each other, the suspended particles in the water flow through those curved holes in the sand layer, there will be more opportunities and time and filter surface collision and contact, so that the suspended matter in the sand layer of the particle surface and flocculation stolicing each other and contact coagulation process. In summary, the filtration of the sand cylinder is through thin film filtration, permeation filtration and contact filtration process, so that water is further purified.


We have been focusing on the production of 20" X 7" Washable Cartridge Pleated Water Filter for Swimming Pool and pursuing the brand strategy. Our products are sold all over the world, the reliable quality assurance and enthusiastic after-sales service have enabled us to occupy the market. The establishment of customer culture and staff learning culture are all our enterprises have been exploring and pursuing. Our company has strong technical force, sound quality assurance system, complete equipment conditions, complete testing methods, and products are produced in strict accordance with industry standards.
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