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Differential Pressure

Home » Products » Flow Meters & Controllers » Differential Pressure
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Annular Round Model PFB

Annular Round Model PFB

The Model PFB approved Fire Pump System features a round pitot tube. It is a primary flow sensor designed to produce a differential pressure that is proportional to the flow. It is a highly reliable averaging pitot tube which generates a pressure...

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BAR

BAR

The Preso ELLIPSE® Model BAR (Annular Commercial) is a multiported, self averaging differential pressure type ELLIPSE® flow...

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BHL

BHL

The Ellipse Model BHL annular hot tap, dual rod flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter is...

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BIN

BIN

The Model 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 flow rate squared. It is well suited for measuring...

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COIN Chem

COIN Chem

The Preso COIN Chem 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...

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COIN FF

COIN FF

The Preso COIN FF 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...

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COIN NB

COIN NB

The Preso COIN NB 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...

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COIN NF

COIN NF

The Preso COIN NF 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...

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COIN NN

COIN NN

The Preso COIN NN 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...

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COIN NW

COIN NW

The Preso Model COIN® Model NW Wafer with NPT Pressure Taps segmented or segmental wedge design is a differential pressure type flow...

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CV Series

CV Series

The CV Venturi flow meter is a differential pressure element designed to accurately measure the flow of liquids and gases by forcing the flow into a smaller diameter section of pipe, then measuring the pressure differences between the unrestricted...

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Ellipse AF

Ellipse AF

The Ellipse Model AF annular flanged flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter is designed...

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Ellipse AHF

Ellipse AHF

The Ellipse Model AHF annular flanged flow device is a hot tap flow meter designed to produce a differential pressure that is proportional to flow. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The...

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Ellipse AHL

Ellipse AHL

The Ellipse Model AHL annular flow device is a hot tap, high pressure flow meter designed to produce a differential pressure that is proportional to flow. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry....

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Ellipse AHL-GD

Ellipse AHL-GD

The Ellipse Model AHL annular flow device is a hot tap, high pressure flow meter designed to produce a differential pressure that is proportional to flow. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry....

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Ellipse AHR

Ellipse AHR

The Ellipse Model AHR annular wet tap, low pressure flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter...

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Ellipse AHS

Ellipse AHS

The Ellipse Model AHS annular hot tap, steam flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter is...

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Ellipse AHZ

Ellipse AHZ

The Ellipse Model AHZ annular flanged, hot tap steam flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow...

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Ellipse AR

Ellipse AR

The Ellipse Model AR annular flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter is designed with a...

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Ellipse AS

Ellipse AS

The Ellipse Model AS annular flow device is a steam flow meter designed to produce a differential pressure that is proportional to flow. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow...

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Ellipse ASF

Ellipse ASF

The Ellipse Model ASF annular flanged, steam flow device is a multi-ported, self-averaging differential pressure flow element. Its innovative elliptical shape provides the lowest permanent pressure loss in the industry. The Ellipse flow meter is...

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Ellipse PFA

Ellipse PFA

The Model PFA FM approved Fire Pump System features the Preso Ellipse. The Ellipse is a primary flow sensor designed to produce a differential pressure that is proportional to the flow. Its patented elliptical shape provides the lowest pressure loss...

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Gemini

Gemini

The Preso Gemini differential pressure flow meter has a cone-shaped element that shapes the flow profile ahead of the differential pressure (DP) measurement port without impacting the flow against a sharp surface, creating an extremely stable signal...

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GM Portable Gage Kit

GM Portable Gage Kit

The Preso portable gage Model GM is a portable read-out meter designed to measure differential...

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GMD Gage

GMD Gage

The Preso GMD Gage features a leak-proof round face plate with a 270° dial, balance valve and connections for instrument tubing. Each gage is furnished with a universal mounting attachment for flange or wall mounting as well as vertical or...

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MassCOIN

MassCOIN

The Preso MassCOIN is an integral mult-variable transmitter mount and temperature sensor flowmeter that accommodates even the most abrasive flows. Accuracy and reliability are achieved by its rugged construction, practical design, and simple...

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TransCOIN

TransCOIN

The Preso TransCOIN is an integral standard transmitter mount flowmeter that accommodates most flows, even the most abrasive. Accuracy and reliability are achieved by its rugged construction, practical design, and simple principle of operation. It...

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V-Brass Series

V-Brass Series

Model V-Brass Series is a Venturi style flow 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...

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Venturi LPL

Venturi LPL

The Venturi Model LPL (Low Pressure Loss Venturi Design) is a Venturi Nozzle design differential pressure flow device. The Low-Loss Design with over 35 years of proven field performance in a wide variety of applications provides reduced operating...

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Venturi PFV

Venturi PFV

The Model PFV FM approved Fire Pump System features the Preso CV Venturi. The CV is a differential pressure element designed to accurately measure flow. It can be installed in any position with minimal straight pipe requirements (5 pipe diameters up...

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Venturi SSL

Venturi SSL

The Venturi Model SSL (Classical Venturi Design) is a Hershel/Classical design differential pressure flow device. The Venturi flow meter restricts the flow at its throat, increasing the velocity of the fluid, and measures the pressure difference of...

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Venturi SSM

Venturi SSM

The Venturi Model SSM is a Venturi Nozzle design differential pressure flow device. The Preso Hydraulic pure static design utilizes the proven classical ASME and ISO standards for highest accuracy, predictability and repeatability. The flow...

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Venturi VILPL

Venturi VILPL

The Venturi Model VILPL (Low Pressure Loss Venturi Design Insert) is a Venturi Nozzle design differential pressure flow device. The Preso VILPL low-loss design is also available in the stainless steel. The all 304 stainless steel construction...

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Venturi VISSM

Venturi VISSM

The Venturi Model VISSM (Nozzle Design Venturi Insert) is a Venturi Nozzle design differential pressure flow device. The Preso hydraulic pure static design is also available in the Model VISSM. This unique hydraulic shape generates a flow condition...

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