... ,4“whorl mouth ,6″flange Our business lineFRP tank, Stainless steel tank, water softener, household water purifier, industrial water ... UF membrane housing, RO system, Accessories (valve, distributor, tank head, etc.),OEM service and lable service offered. Main advantage ... Can also use the FRP (GRP) lining, High-performance resin and glass fiber reinforced molding, Working Pressure≤0.6Mpa, The largest ...