Quartz sand pressure filter applies only to the requirements of the filter water turbidity ≤3 mg / liter industrial, rural, urban, living quarters and other water supply facilities. Wherein when the double layer filter for direct filtration water turbidity often kept under 60 mg / l or less cheap quartz sand, and the front filter should bear coagulant situation. Quartz sand used to precipitate filtration, water turbidity is ≤15 mg / l. Single-layer media filter applies only to water turbidity ≥15 mg / liter of precipitation water filtration. When the raw water suspended solids content of less than 30 ~ 50mg / L when pure quartz sand used as ion exchange softening (or desalting) process pretreatment equipment. Can also be used for water requirements are not the main process water treatment as a coarse filter. Saatchi & purification quartz sand Common Specifications: 0.5-1.0mm 0.6-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 4.0-8.0mm 8.0-16mm 16-32mm If you want to learn more about our products, you can call or to Gong Yisheng World Water Material Co., advice, our friendly service welcome you soon. Quartz sand factory _ water _ Spirit Yongji quartz sand provided by the Henan water purification Material Co., Ltd. Spirit. Spirit Henan water purification Material Co., Ltd. (www.gyssjs.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!