Flow Meters on Old Tanker on Ocean

Venturi Flow Meter

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Amity Design Venturi
Amity Design Venturi

The AVM-S-F and AVM-T-F are modified Venturi meters designed to measure full pipe, clean gasses or liquids over various temperature and/or pressure ranges

Amity Bi-Directional Venturi
Amity Bi-Directional Venturi

The AVM-BD-F is a Bi Directional highly accurate modified Venturi meter

Amity Insert Venturi
Amity Insert Venturi

The AVM-I is an insert type venturi primary flow element and is designed to measure full pipe flows for clean gasses

ASME Classical Venturi
ASME Classical Venturi

The AFM-V-F and AFM-V-W are ASME, ISO-5167 conventional or classical Venturi meters designed to measure full pipe, clean gasses or liquids

Venturi Flow Meters

History of our Venturi Meters

We control the entire fabrication process from start to finish which allows for repeatability: our flow meter designs match our products. Our products are built to such tight tolerances, we can consistently surpass both ASME and individual design standards for results between .25% to .5%. In 2008, we formed a partnership with R.W. Miller PhD, PE, the leading industry flow engineer, to design the most efficient Venturi meters and continually push the model to create new and improved products. We have manufactured and sold Venturi tubes since 1973 under other labels, and we are in the unique position of supplying our Venturi flow meters directly to our customers.

Our Proprietary Knowledge

The first new Venturi meter design in 30 years

Industry leader in consistent uncalibrated results

New designs for eccentric and bi-directional meters

Custom venturi meter design is available employing our proprietary Computational Module, developed with R.W. Miller. Amity Flow also manufactures most major designs using the same Amity Computation Model including the ASME PTC-6, ASME Standard Venturi, and ASME Flow Nozzles.

The venturi flow meter or venturi tube is suitable for clean, dirty and viscous liquid and some slurry services. A Venturi meter has no protrusions or sharp edges exposed to the flow thereby making it useful in accurate flow measurement of any fluid containing suspended solids. For particularly dense slurries our segemental e-wedge meter is the new industry preference.

Welding and Sparks Flying

Venturi Meter Details

Repeatable Quality

10:1 or better depending equipment
Required upstream pipe length 5 to 20 diameters
Pressure loss
is low
Typical accuracy .25% to .50% of actual flow

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