Welcome to f4flow – the website of Flow Meters Direct Limited
We are a UK company specialising in industrial Air Flow Measurement.
Most of the solutions we provide are located in pipes and ducts that are in excess of 200mm [8″] diameter, and often much greater.
We also provide flow measurement solutions for square and rectangular section ducts, gas and exhaust stacks, chimneys and other large conduits designed for gas flow.
Our activities are not just restricted to gas flow and we have the ability to measure saturated and superheated steam, vapours, and liquids.
We concentrate of the use of Differential Pressure Flow Meters for most tasks, predominantly because of the cost effectiveness, versatility, reliability, and facility for engineered modifications to suit individual applications.