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PRESO primary flow elements are based on a proven scientific principle of flow measurement based on accurate differential pressure readings to obtain flow volume |
| Year established : |
1977 |
Business : |
Manufacturer |
 Fire Pump Flow Meter System Achieves Precise Performance Fire Pump Flow Meter System Achieves Precise Performance
Preso Meters features its Fire Pump Flow Meter Systems. These systems are used instead of the typical hose valve header and hose method, and are a simple, precise and economical method of testing fire pump performance.
Preso Meters features its Fire Pump Flow Meter Systems. These systems are used instead of the typical hose valve header and hose method, and are a simple, precise and economical method of testing fire pump performance. Flow monitoring is easily achieved by allowing the operator to read the water flow directly in GPM or LPS. The fire pump systems primary elements are designed to produce a differential pressure to attain accurateflow measurements.
Preso offers three types of FM approved fire pump systems available for pipe sizes 2" to 16". These models include the PFA Ellipse, PFV Venturi and the PFB Annular pitot tube. Preso's fire pump systems offer low permanent pressure loss and have little to no maintenance necessary. The PFA Ellipse model features the Preso patented Ellipse®. The elliptical shape is designed with a series of ports facing the upstream velocity pressures and flow sensing ports strategically located ahead of the trailing edge flow separation. The Model PFV features the Preso Venturi--a successful design with over 35 years of field performance in a wide variety of applications. It can be installed in any position with minimal straight pipe requirements. The PFB Annular is made up of a round pitot tube. It has an accuracy of ±3% and is capable of bi-directionalflow measurement.
Each fire pump system includes a direct-readout gage with a dial featuring a 270° arc for fast and accurate reading. A dust-tight case ensures trouble-free operation. Preso gages are made of rugged brass construction and are protected against overload by a unique diaphragm housing design. When the pressure difference exceeds the range, the gage will accept the accidental application of up to 60 PSIG without damage. Under normal conditions, the differential pressure should not exceed the range of the gage.
Pitot tube differential pressure flow-meter •
Differential pressure wedge flow-meter •
Venturi differential pressure flow-meter •
Ultrasonic HVAC flow-meter •
Balancing valve •
Preso Meters is a fully integrated manufacturer of precision-engineered primary flow elements, serving the industrial, commercial and municipal markets for over 30 years.
Preso products include the patented Ellipse� Pitot tube, the COIN� segmented wedge flow meter, and three unique versions of Venturi-type meters and inserts. With this family of products, Preso can provide a flow meter for any process that can be measured with differential pressure technology, often at calibrated accuracy of better than �1% of reading.
Preso also manufactures the B-Plus� and C+ metering and balancing valves for the HVAC industry, as well as a line of FM-approved fire pump gages, and many other accessories including flow transmitters and test kits.
About Us
The employees of Preso Meters are proud of their company's 30-year history in the flow meter industry. During this time, the Preso team has introduced many innovative ideas and new products, allowing them the opportunity to serve the full spectrum of flow measurement needs. Preso and its employees bring a high level of expertise and experience to flow measurement in a wide variety of industries.
In the year 2000, Preso Meters joined Racine Federated Inc., a private manufacturing company based in Racine, WI, USA. Racine Federated Inc. is comprised of several operating divisions, including four others that specialize in flow measurement. Racine Federated, Preso and its employees look forward to providing quality flow measurement products for the next 30 years and beyond.
To visit the Racine Federated web site, click here.
Other Racine Federated divisions include:
Blancett - manufacturer of stainless steel turbine flow meters for liquids
Dynasonics - manufacturer of ultrasonic flow meters and insertion magnetic flow meters for liquids
Hedland and Flo-tech - manufacturers of variable area flow meters for oil, water and air, as well as hydraulic oil turbine meters and portable hydraulic testers
Wyco Tool - manufacturer of internal concrete vibrators for the paving and construction industries
 | Coin® Flow Meter Coin® Flow Meter |  | PTTF Ultrasonic Flow Metering equipment | |
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Preso Product Summary
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