Hangzhou Environmental Protection Equipment Co., frost edge of the sand tank filter effects, and low cost. Cylinder high-performance resin and glass fiber winding, lined with FRP high-performance materials, durable, easy to wear, easy to operate, provides an economical, high-performance configurations. FRP tanks and imported to meet the same requirements, better than the imported ABS lined tank in terms of toughness and resistance to low temperature. Uniquely designed water distribution, water flow uniform and stable. Corrosion resistance, high temperature resistance, light weight, easy to transport, beautiful appearance. Easy to install, maintain, and easy maintenance. Application conditions: working pressure ≤0.4Mpa, operating temperature ≤49 ℃, working medium: water, acid, alkali and other chemicals corrosive liquids. Application areas: water supply and wastewater treatment industry, light industry, chemical industry, electronics, petrochemical pharmaceutical, food and other industries.