... diameter FRP water softening tank;water softener FRP tanks FRP tank for water treatment water softener,ion exchange,pretreatment system FRP tanksFRP tanks ... ,different Models: 871-96126.FRP tanks characteristics:1. FRP tank is made of the advanced winding technique, with entire shaping ... and operation temperature is less than 49°C.4. FRP tank has upper and under openings, and flange connections, which ...