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Allison Engineering

Innovative Solutions for
Process Control

Vortab Flow Conditioners

Many flow meter technologies, require several diameters of straight pipe run to meet their published accuracy specification. This straight-run is required to provide a swirl-free and repeatable flow profile to the flow meter.

However, in practical applications, industrial plant piping is rich with elbows, valves, tees and vessels. 20 – 30 diameters of straight pipe can be a real challenge to find. Pipe bends & valves create an unrepeatable, asymmetric and swirling flow profile ultimately resulting in flow meter inaccuracies.

Furthermore at low-flows the transitional zone between laminar and turbulent flow can induce additional inaccuracies.

The Vortab range of flow conditioners can eliminate these errors in as little as 3 pipe diameters.