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'Torflow' Key Benefits 

  • One piece cylindrical construction for optimum strength
  • Suitable for circular pipes or square / rectangular ducts
  • Suitable for liquid, gas & steam flow
  • Pipe sizes from 10mm to 8000mm
  • Low pressure loss
  • Max error +/- 1% of flow
  • Repeatability better than +/- 0.1%
  • Simple to install
  • Low maintenance & long term accuracy
  • Hot-tap versions available

 

Send me a datasheet

The PSM Torflow is an averaging multi-port pitot tube which produces a differential pressure output proportional to the square of the flow. It may be coupled with a differential pressure transmitter to give an electrical signal output, or simply piped to a differential pressure gauge or manometer to give a direct reading of the flow rate.

Each Torflow is individually sized to span the full width of the pipe, the measuring holes being spaced to give an accurate sample of the complete flow profile. A secondary inner tube then averages the impact velocity. The static pressure in the line is measured through a single hole positioned centrally on the downstream side of the probe, a ‘profiling’ reducing turbulence and ensuring a stable pressure area.

The Torflow offers minimal obstruction in the line compared with many other methods of flow measurement. This feature provides a high percentage of pressure recovery and high flow range turndown.

The averaging of the flow enables shorter straight upstream and downstream pipe runs without downgrading the accuracy. Coupled with simplicity of installation and resistance to wear this provides a cost effective alternative to orifice plates.

A comprehensive range of accessories, optional mounting arrangements and materials are available to suit specific applications, these can normally be tailor made to suit customer requirements.

PRINCIPLE OF OPERATION

Due to the nature of this product in order for us to supply an accurate quotation we will require certain application details. To download the questionnaire in 'PDF' format which can then be easily printed please click here

Other flow metering devices available - ask for detailss

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Copyright © 1997 PSM Instrumentation Limited
Last modified: November 27, 2002