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Venturi Tubes

Venturi Tubes
Classical Venturi Tubes

Venturi Tubes are used on many different process applications and conditions, typically where low permanent pressure loss is required. Line sizes available range from 25mm up to 1800mm and greater.

Venturi Tube design provides a key cost saving benefit, as the profile is virtually immune to any wear or erosion, therefore with very little maintenance and inspection is required. Venturi Tubes are often regarded as “fit and forget” devices.

Venturi Tubes can be supplied to meet the requirements of your application. We offer a number of different designs to suit the needs of any pipe-work configuration, with different lengths, orientations and end connections available. Solartron ISA provides complete Engineering support from initial design and sizing concepts to manufactured final products.

Proven flow metering technology and robust design, supported by ISO 5167

  • Accurate flow metering of Hydrocarbons, liquids and gases
  • Venturi profile is inherently robust with no maintenance and inspection required
  • Low permanent pressure loss resulting in energy savings
  • Minimal upstream straight length requirements in comparison to orifice plates

  • Specifications +

    • Hydrocarbon, Liquid & Gas Process
    • LNG Trains
    • Compression Stations
    • Process Measurement
    • High Accuracy Custody Transfer, Fiscal and Allocation Flow Metering

    Key Parameters
    • Proven Technology
    • Robust design
    • Low Permanent Pressure Loss
    • Accurate Flow Measurement
    • Suitability for most process conditions
    • Minimal Upstream Lengths

    Functional Specifications
    Line Size DN25 (1/2") to DN1800 (72")
    Pressure Ratings Ranging from ANSI 150# to API 15K PSI
    Types of Classical Venturi Tubes Solid (Machined), Fabricated, ‘As Cast’ Profile, End Connections, Flanged, Butt-Weld, Hub
    Further connections are available on request
    Types of Tappings Flanged, Thread O’let / Socket O’let, Piezo Rings, Further types are available on request
    Beta Ratio Typically 0.4 to 0.75
    Reynolds Number Ranging from 5x104 up to 2x108

    Accuracy Typically ±3% un-calibrated, ±1% calibrated,
    NDT Testing Hydro-testing, Dye Penetrant, Radiography
    Additional options:
    Magnetic Particle, PMI, Gas and Water Calibrations
    Further testing is available on request
    Flow Turndown
    Typically >10:1, depending on Transmitter configuration
    Venturi Tube Material
    Carbon Steel, Low Temperature Carbon Steel, Stainless Steel, Chrome Moly Steel, Duplex, Super Duplex, 6 Mo, Aluminum, Monel, Hastelloy, Inconel, Further materials are available on request

  • Downloads +

  • Guidelines +

    Flowstream Venturi Tubes
  • DP Flow Questionnaire +