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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

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Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010

Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010

Preso®

Preso® Differential Pressure flow meters are precision-engineered to offer exceptional turndown ratios and superior accuracy. Designed to accommodate any manufacturer’s pressure transducer, the Preso family offers a complete line of primary flow elements including Pitot tubes, venturi meters and wedge meters.

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Cone Differential Pressure Flow Meter
Size
12...609 mm
1/2...24 in.
Accuracy
±0.5%
±0.5%
COIN® Wedge, Flange Process by Flange Instrumentation (Model FF) Flow Meter
Size
12...1219 mm
1/2...48 in.
Temperature Range
Up to 815 °C
Up to 1500 °F
Pressure Range
Dependent on flange rating
Dependent on flange rating
Accuracy
(uncalibrated) ±3% (calibrated) ±0.5%
(uncalibrated) ±3% (calibrated) ±0.5%
Ellipse® AR Annular Flow Meter
Size
50…1820 mm
2...72 in.
Temperature Range
Up to 426 °C
Up to 800 °F
Flow Range
20…130,000 lpm
5.3...34,340 gpm
Pressure Range
Up to 55 bar
Up to 800 psi
Accuracy
±0.75%
±0.75%
Model LPL Venturi Low Pressure Loss Flow Meter
Size
13...1524 mm
1/2...60 in.
Temperature Range
Up to 815 °C
Up to 1500 °F
Flow Range
0.95...3,122,965 lpm
0.25...825,000 gpm
Pressure Range
Up to 620 bar
Up to 9000 PSI
Accuracy
(uncalibrated) ±3% (calibrated) Up to ±0.5%
(uncalibrated) ±3% (calibrated) Up to ±0.5%
Model SSM Venturi Nozzle Flow Meter
Size
13...1524 mm
1/2...60 in.
Temperature Range
Up to 815 °C
Up to 1500 °F
Flow Range
0.95...3,122,965 lpm
0.25...825,000 gpm
Pressure Range
Up to 620 bar
Up to 9000 PSI
Accuracy
(uncalibrated) ±1% (calibrated) Up to ±0.5%
(uncalibrated) ±1% (calibrated) Up to ±0.5%
Model SSL Venturi Classic Flow Meter
Size
13...1524 mm
1/2...60 in.
Temperature Range
Up to 815 °C
Up to 1500 °F
Flow Range
0.95...3,122,965 lpm
0.25...825,000 gpm
Pressure Range
Up to 620 bar
Up to 9000 PSI
Accuracy
(uncalibrated) ±0.75% (calibrated) Up to ±0.25%
(uncalibrated) ±0.75% (calibrated) Up to ±0.25%
COIN® Wedge Wafer (Model NW) Flow Meter
Size
13 - 101 mm
1/2" - 4"
Temperature Range
Up to 426°C
Up to 800°F
Pressure Rating
Dependent on flange rating
Dependent on flange rating
Accuracy
(uncalibrated) ± 3% (calibrated) ± 0,5%
(uncalibrated) ± 3% (calibrated) ± 0,5%
COIN® Back-to-Back Wedge (Model NN) Flow Meter
Size
12...152 mm
1/2...6 in.
Temperature Range
Up to 426 °C
Up to 800 °F
Pressure Range
Dependent on flange rating
Dependent on flange rating
Accuracy
(uncalibrated) ±3% (calibrated) ±0.5%
(uncalibrated) ±3% (calibrated) ±0.5%
COIN® Butt Weld Wedge (Model NB) Flow Meter
Size
12...406.4 mm
1/2...16 in.
Temperature Range
Up to 426 °C
Up to 800 °F
Pressure Range
Dependent on flange rating
Dependent on flange rating
Accuracy
(uncalibrated) ±3% (calibrated) ±0.5%
(uncalibrated) ±3% (calibrated) ±0.5%

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Our Technology

Learn about the differential pressure technology behind our Preso meters and how they work.

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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010