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Preso
Preso
Preso
Model AHS Ellipse® Pitot Tube
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Model AHL Ellipse® Pitot Tube
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Model ASF Ellipse® Flanged
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Model AS Ellipse®
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Model AF Ellipse® Flanged
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Model AR Ellipse®
Preso’s patented elliptical design outperforms and provides greater accuracy than traditional differential pressure flow measurement devices. This differential pressure flow meter is designed with a series of ports facing the upstream velocity pressures, as well as flow sensing ports strategically located ahead of the trailing edge flow separation.
Preso
Coin Segmented Wedge Flow Meters
Segmented Wedge
The Preso COIN Flowmeter accommodates most flows, even the most abrasive. Accuracy and reliability are achieved by its rugged construction, practical design, and simple principle of operation. It stands alone in its ability to maintain the necessary square root relationship between flow rate and differential pressure for almost any type of flow...
Preso
Model VI
Our VI product line is available with SSL (Classical) and SSM throat styles as well as our standard LPL design. This allows the user to take advantage of the high accuracy of the Classical and SSM designs while maintaining the benefits of the Insert Style Venturi.
Preso
BIN Round
2 to 24
The BIN is a highly reliable averaging pitot tube which generates a pressure differential between its upstream (stagnation) ports and its downstream (static) ports that is proportional to the fl ow rate squared. It can be used to measure liquid or air in pipe sizes between 2 and 24 . An opposite support is supplied standard on pipe sizes 8 and...
Preso
AYR Ellipse
Sizes 10 to 120
The AYR Ellipse Air Flow Measuring Sensors are available for single or multiple installations in round, square or rectangular ducts. Constructed of anodized aluminum with two independent fl ow sensing chambers, these sensors are designed to prevent signal degradation and mixing. The unique patented ellipitcal design provides high accuracy and...
Preso
Hershel Type SSL
The Classical Style Venturi Tube is designed in accordance to ASME and/or ISO standards and will offer excellent accuracy and high repeatability.
Preso
Venturi-Nozzle Type SSM
The Preso Hydraulic pure static design utilizes the proven classical ASME and ISO standards for highest accuracy, predictability and repeatability. The flow conditioning generated by the unique hydraulic shape will provide an extremely stable signal in a wide range of flows.
Preso
Short Form Type LPL
Preso can relate to the success of the Low-Loss design which amounts to over 35 years of proven field performance in a wide variety of applications. The reduced costs of operating inherent with the design, will pay for itself in the shortest of time. Low installation costs due to short laying length and the wide range of sizes and materials of...
Preso
V Brass Series
1/2 to 2
Model V-Brass Series is a Venturi style fl ow meter of the “Low Pressure Loss” design. It is machined according to exacting specifications using high quality materials. This unit is produced from solid brass hex bar and comes with NPT or sweat ends. The V-Brass is available in four throat sizes to cover a wide range of applications...
Preso
CV Series
2 to 16
The CV Venturi Flow Meter is a differential pressure element de signed to accurately measure the fl ow of liquids, gases or steam by forcing the fl ow into a smaller diameter section of pipe, then measuring the pressure differences between the unrestricted fl ow and the restricted fl ow. It can be installed in any position with minimal straight...
