Preso manufactures 3 types of Venturi flow meters, to meet a variety of application and budgetary requirements, inlcuding classical, nozzle, and low pressure loss styles. Preso Venturis are manufacturesd to ASME and ISO standards, with calibrated accuracies up to +/- 0.25% of reading. Preso also manufactures Venturi shells and inserts in a wide variety of materials and end connections. Preso Venturis are available for air, liquids, gas or steam, in pipe sizes from 1/2" (12 mm) to 60" (1524 mm) and higher.
