KROHNE Venturi tube Engineered primary element for DP flow measurement of liquids, gases and steam

KROHNE Venturi tube Engineered primary element for DP flow measurement of liquids, gases and steam

Category: Primary Flow Elements Available
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Description

Overview

A Venturi tube is an engineered primary flow element for the most efficient and accurate differential pressure (DP) flow measurement. The typical Venturi shape with limited cone angles enable a pressure recovery of up to 95% of the generated DP. Together with optional annular chambers to balance deviation in the flow profile. With low maintenance requirements and a long life the Venturi tube offers a low total cost of ownership. A special Venturi tube that enables online measurement of additional process parameters such as steam wetness can also be provided.

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

  • Typical uncalibrated uncertainty up to ±1.5%
  • Optional accredited wet calibration at operating Reynolds numbers for uncertainties up to ±0.2%
  • Typical pressure loss down to 5% of the generated differential pressure
  • Low requirements for straight inlet and outlet runs
  • Best option for large sizes and low pressure applications
  • With weld ends or flange connections
  • With optional annular chambers and multiple pressure taps
  • Size: 2…48'' (50…1200 mm) per standard, larger sizes upon request
  • Low maintenance and long life with low total cost of ownership (TCO)

Specifications

Depending on selected device configuration

General information

Product type Primary flow element
Product positioning For most efficient DP flow measurement with lowest residual pressure losses

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