Westfall 2350 series Venturi flowmeters are a line of corrosion-resistant meters up to 10 ft in diameter for use in all types of water treatment plants. Made from fiberglass reinforced 10090 vinyl ester resin and stainless steel throat liner and flange, flowmeters are capable of measuring up to 50 million gal per day of flow. Piping is available in 3/4- to 120-in. diameters.