Models FLC-FN-PIP, FLC-FN-FLN, FLC-FN-VN

Flow nozzle, Venturi nozzle

for in-pipe installation, for flange assembly

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Applications

  • Power generation
  • Oil production and refining
  • Water treatment and distribution
  • Gas processing and transmission
  • Chemical and petrochemical industry

Special Features

  • Suitable for liquid, gas and steam flow measurement
  • Optimum solution for measuring the flow of steam
  • Accuracy ≤ ±0.1 % of actual flow rate
  • Repeatability of measurement 0.1 %
  • Ensure the lowest pressure loss in the family of differential pressure transmitters

Description

The design of the flow nozzle is based on Bernoulli's equation and consists of a convergent section with a rounded profile and a cylindrical throat. Due to its rigidity the flow nozzle is dimensionally more stable at higher temperature and flow rate than an orifice.

The flow nozzle is generally used for measuring the flow of steam as well as non-viscous, erosive and high-velocity fluids. They can be used in a wide variety of applications that include steam, air, water, vapour, gas, chemical substances and high temperatures. For applications with erosive fluids a hardened internal surface is available.

The design and manufacture of the flow nozzles complies with the requirements of ISO 5167. Thus an accuracy of ±1.0 % is ensured. By means of a calibration a higher accuracy of up to ±0.25 % can be achieved.

For acceptance tests of power plants, flow nozzles to ASME PTC-6 are also available.

Flow nozzle for in-pipe installation, model FLC-FN-PIP

Flow nozzle for in-pipe installation, model FLC-FN-PIP

  • Flow nozzle for in-pipe installation, model FLC-FN-PIPFlow nozzle for flange assembly, model FLC-FN-FLNVenturi nozzle, model FLC-FN-VN
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