NUFLO Liquid Turbine Flowmeters Data Sheet Flow Meters

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TECHNICAL SPECIFICATIONS

NUFLO Liquid Turbine Flow Meters
Accurate Flow Measurement

In 1957, this flow meter was developed with a tungsten-carbide shaft and
bearing to withstand the rugged conditions of the oil field. Over the years, it
has earned an unsurpassed reputation for withstanding severe punishment
while maintaining operational and measurement integrity. Today, it remains
a strong seller among Cameron’s NUFLO™ liquid measurement products.

Benefits
Accurate and repeatable measurement
An economical solution for turbine flow meter
applications

of a liquid line. As liquid flows through the meter and over the rotor,

Easy installation and a variety of end
connections

the rotor turns at a speed that is directly proportional to the flow rate. A

Minimum maintenance required

NUFLO turbine flow meters indicate flow rate and measure total throughput

magnetic pickup senses the rotor blades as they pass and generates an
electrical (sine wave) signal. These electrical pulses are then transmitted to
the flow measurement readout equipment.

Long service life, even in severe applications

First Class Design Delivers First Class Performance

4

3

2

5

1

6

8

1. Permanent 1” MNPT conduit connection is standard.

6.	Rotor Shaft, Bearings and Thrust Ball are made of tungsten

2.	Rotor is pitched and pre-calibrated to determine accuracy.

carbide for long service without lubrication other than by the

3.	End Connections available as a flanged, threaded, grooved,

process liquid.
7. Retaining Rings make disassembly easy.

EZ-IN and WECO 1502.
®

®

8.	Flow Meter Body is a sturdy, one-piece construction, precision

4. Flow Vanes increase performance at low rates.

finished.

5. Flow Vane Hub supports rotor assembly.

Applications

Accuracy

Cameron offers turbine flow meters in a variety of end
connections and accuracy levels. Typical applications are:

Cameron offers two meter grades to satisfy various linearity
requirements. The standard grade meter is a cost-effective

•

Water-injection measurement

solution for applications requiring accuracy of 1% or less.

•

Heater treaters

For higher accuracy, an industrial grade meter can be used.

•

Test and production separators

Greater accuracy may be achieved if the expected flow range is

•

Disposal wells

specified.

•

CO2 injection

•

Steam generator fuel and feed water

•

Metering liquid fertilizer

•

Water, fuel and chemical measurement in plant settings

•

Chemical tank loading and unloading

•

Measuring liquid propane

•

In-situ mining and leaching

Meter Grade

Linearity

Repeatability

Standard

± 1% of reading

± 0.05%

Industrial1

± 0.5% of reading

± 0.02%

Enhanced accuracy

Consult factory

Consult factory

1

1

2

7

F or 3/8” meters, linearity is ± 2% of reading (standard) and ± 1% of reading
(industrial).

Temperature Range (magnetic pickup)

Meter Size Selection

Temperature Range

Flow Meter Size

Flow meter size selection should be based on the instantaneous

-67° F to 250° F (-55° C to 107° C)
-67° F to 250° F (-55° C to 121° C)

3/8” through 3/4”

flow rate of the line into which the meter will be mounted and

Standard

7/8” through 8”

on the meter pressure drop. Meter size should never be based

Medium

-67° F to 450° F (-55° C to 232° C)

all sizes

Note: Consult Cameron’s Measurement Systems division for any use of turbine flow
meters below -20° F (-29° C) or above 250˚ F (121˚ C).

on the nominal piping size of the installation. Refer to the linear
flow range chart (page 3) and the pressure drop curve chart
(page 6) for meter size selection. The meter will remain accurate
at flow rates higher than its rating, but over-ranging a meter

Compliances
•

CSA certified for hazardous areas, Class I, Div. 1,
Groups A, B, C, D

•

Meters with maximum working pressures below 7500 psi are
compliant with ANSI 12.27.01-2003 single seal

•

for long periods can cause excessive bearing wear and pressure
drop and shorten the life span of the meter. NUFLO flow meters
can be over-ranged by 10% for short periods without damage.

Installation
•

EZ-IN meters and WECO 1502 union meters available with
CE mark for Pressure Equipment Directive
(PED, 97/23/EC)

meter body corresponds to the flow direction of the line.
•

Meter body (standard): Grade 316L stainless steel1

•

Meter body (high pressure): A286 stainless steel1

•

Vanes: Grade 316L stainless steel

•

Rotor: CD-4MCu

•

Shaft and bearings: Tungsten carbide

Traceability of pressure-containing components available on request.

1

unrestricted pipe must be downstream of the flow meter.
Both pipe sections should be the same nominal pipe size as
the flow meter’s end connection.
•

Throttling/control valves should be located downstream of
the flow meter.

Magnetic Pickup/Electronics Installation
•

The meter’s permanent conduit connection has 1” MNPT
threads for attaching an electronic readout instrument.

Optional Materials
Shaft

A 10 diameter length of straight unrestricted pipe must
be upstream and a five diameter length of straight

Materials of Construction
•

The meter should be installed so that the arrow on the

•

The conduit connection is designed for use with a 5/8” to

Binderless carbide for enhanced corrosion resistance to selected

18” threaded magnetic pickup which is sold separately by

chemicals.

Cameron.

Shaft and Bearings
Silver brazing to withstand temperatures to 850˚ F (454˚ C) and
chemicals that attack epoxy bonding bearing materials.
Rotor
Nickel plating for enhanced corrosion resistance to selected
chemicals (especially acids that corrode ferrous materials).

3

Linear Flow Range (1, 2, 3)
Flow
Meter Size(3)

(1)
(2)
(3)

Nominal(2)
Calibration Factor

Maximum
Output
Frequency

∆P at Maximum
Flow(2)

in.

mm

GPM

m3/HR

BPD

Pulses
Gallon

Pulses x
1000/m3

Pulses/Sec

psi

kPa

3/8

10

0.3 – 3

0.068 – 0.68

10 – 100

22000

(5812)

1100

4.0

28

1/2

13

0.75 – 7.5

0.17 – 1.70

25 – 250

14500

(3830)

1815

12.0

83

3/4

19

2 – 15

0.45 – 3.41

68 – 515

2950

(780)

740

18.0

124

7/8

22

3 – 30

0.68 – 6.81

100 – 1000

2350

(621)

1175

20.0

138

1

25

5 – 50

1.14 – 11.36

170 – 1700

900

(238)

750

20.0

138

1-1/2

38

15 – 180

3.41 – 40.88

515 – 6000

325

(86)

975

16.0

110

2

51

40 – 400

9.09 – 90.85

1300 – 13,000

55

(14.5)

365

22.0

152

3

76

80 – 800

18.16 – 181.66

2750 – 27,500

57

(15.2)

760

20.0

138

4

102

100 – 1200

22.71 – 272.55

3400 – 41,000

30

(7.9)

600

10.0

69

6

152

250 – 2500

56.78 – 567.82

8600 – 86,000

7

(1.8)

290

10.0

6

8

203

350 – 3500

79.49 – 794.94

12,000 – 120,000

3

(.8)

175

6.0

41

The linear flow range of liquids with non-lubricating characteristics is limited to the upper 60% of rating.
Based on water.
	Consult Cameron’s Measurement Systems division for engineering assistance with applications involving liquids of viscosities greater than 5 centistokes on 3/8”
through 3/4” meters.

End Connections
NUFLO flow meters are available in a variety of end connections:
•

Threaded

•

Grooved

•

Flanged

•

EZ-IN

•

WECO 1502

Flow Meter Size x
End Connection Size

Threaded (NPT) End Connections

Length

in.

psi

MPa

in.

mm

3/8 x 1

7500

51.7

4.0

102

7500

51.7

4.0

102

•

Threaded meter sizes range from 3/8” to 4”.

1/2 x 1

•

Meter sizes from 3/8” to 1” pipe all have 1” NPT

3/4 x 1

7500

51.7

4.0

102

end connections to simplify meter size changes.

7/8 x 1

5000

34.5

4.0

102

•

All meter sizes other than the 2” have
male threads.

4

Working Pressure

1x1

5000

34.5

4.0

102

1-1/2 x 1-1/2

5000

34.5

6.0

152

1-1/2 x 2

5000

34.5

6.0

152

2x2

5000

34.5

10.0

254

3x3

1000

6.9

12.5

318

4x4

1000

6.9

12.0

305

Flanged End Connections

Flow Meter Size x
End Connection Size

Turbine flow meters with flanged end

Flange

Length

Pressure Rating

connections are available in both raised-face

in.

psi

in.

mm

(RF) models and ring-type joint (RTJ) models.

3/8 x 1/2

150, 300, 600
900, 1500, 2500

5.0
6.25

127.0
158.8

1/2 x 1/2

150, 300, 600
900, 1500, 2500

5.0
6.25

127.0
158.8

3/4 x 3/4

150, 300, 600
900, 1500, 2500

5.0
6.25

127.0
158.8

7/8 x 1

150, 300, 600, 900, 1500, 2500

6.0

152.4

into contact with the process fluid. The flanges

1x1

150, 300, 600, 900, 1500, 2500

6.0

152.4

are designed to mate with ANSI B16.5 flanges.

1-1/2 x 1-1/2

150, 300, 600, 900, 1500, 2500

7.0

177.8

Contact the factory for availability of materials

2x2

150, 300, 600, 900, 1500, 2500

8.5

215.9

and construction types for a desired meter size.

3x3

150, 300, 600, 900
1500
2500

10.0
12.0
15.0

254.0
304.8
381.0

4x4

150, 300, 600, 900
1500
2500

12.0
14.0
16.5

304.8
355.6
419.1

6x6

150, 300, 600, 900
1500

12.0
16.0

304.8
406.4

8 x 8(1)

150, 300, 600, 900

12.0

304.8

Flanged NUFLO meters are constructed with
carbon steel or stainless steel slip-on flanges or
machined from a single block of stainless steel.
Slip-on flanges are welded to the outside of the
meter to ensure that the flange never comes

Contact factory for other flange classifications above 900#.

(1)

		

Flange
Pressure Rating

Maximum Working Pressure
Flange Material

Design-Operating
Temperature Range

psi

Carbon Steel

Stainless Steel

150

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

285 psi
260 psi
200 psi
185 psi

1.96 mPa
1.79 mPa
1.38 mPa
1.28 mPa

275 psi
235 psi
195 psi
183 psi

1.89 mPa
1.62 mPa
1.34 mPa
1.26 mPa

300

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

740 psi
680 psi
635 psi
620 psi

5.10 mPa
4.69 mPa
4.38 mPa
4.27 mPa

720 psi
600 psi
495 psi
480 psi

4.96 mPa
4.14 mPa
3.41 mPa
3.31 mPa

600

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

1480 psi
1360 psi
1265 psi
1235 psi

10.2 mPa
9.38 mPa
8.72 mPa
8.52 mPa

1440 psi
1200 psi
995 psi
963 psi

9.92 mPa
8.27 mPa
6.86 mPa
6.64 mPa

900

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

2220 psi
2035 psi
1900 psi
1855 psi

15.3 mPa
14.0 mPa
13.1 mPa
12.6 mPa

2160 psi
1800 psi
1490 psi
1443 psi

14.9 mPa
12.4 mPa
10.3 mPa
9.95 mPa

1500

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

3705 psi
3395 psi
3170 psi
3093 psi

25.5 mPa
23.4 mPa
21.8 mPa
21.3 mPa

3600 psi
3000 psi
2485 psi
2408 psi

24.8 mPa
20.7 mPa
17.1 mPa
16.6 mPa

2500

-20˚ F to 100˚ F
-20˚ F to 200˚ F
-20˚ F to 400˚ F
-20˚ F to 450˚ F

(-29˚ C to 38˚ C)
(-29˚ C to 93˚ C)
(-29˚ C to 204˚ C)
(-29˚ C to 232˚ C)

6170 psi
5655 psi
5280 psi
5153 psi

42.5 mPa
39.0 mPa
36.4 mPa
35.5 mPa

6000 psi
5000 psi
4140 psi
4010 psi

41.3 mPa
34.5 mPa
28.5 mPa
27.6 mPa

Test Pressure: 1.5 times maximum working pressure at -20˚ F to 100˚ F (-29˚ C to 38˚ C)

5

Grooved End Connection

WECO 1502 Union End Connection

Flow meters with grooved end connections are available in
7/8” through 8” sizes.

Flow meters with WECO 1502 end connections are commonly used
end connection meters have two pickup adapters.

Flow Meter Size
x End
Connection Size

Length

Working Pressure
Flow Meter
Size x End
Connection Size

in.

in.

mm

psi

7/8 x 1

4.0

102

1000

6.9

1x1

4.0

102

1000

6.9

1x2

1-1/2 x 1-1/2

6.0

152

1000

6.9

1-1/2 x 2

1-1/2 x 2

6.0

152

1000

6.9

1-1/2 x 2

6.0

152

2500

17.2

2 x 2-1/2

10.0

254

1000

6.9

3x3

12.5

318

1000

6.9

4x4

12.0

305

1000

6.9

6x6

12.0

305

800

5.5

8x8

12.0

305

800

5.5

EZ-IN End Connection

MPa

in.

End
Connection
Type*

Working
Pressure

Length
in.

mm

psi

MPa

W-T

8.00

203.3

15,000

103

W-T

8.60

218.4

15,000

103

2x2

W-T
T-T

9.00
8.00

228.6
203.3

15,000
15,000

103
103

3x3

W-T
T-T

13.0
13.0

330.2
330.2

15,000
15,000

103
103

4x4

W-T
T-T

15.0
13.0

381.0
330.2

15,000
15,000

103
103

Meters for Use with Raised Face Flanges (1, 3)

EZ-IN series turbine flow meters provide
a cost-effective alternative to typical
flanged meters. They offer the accuracy,
rugged construction, and maintenancefree operation of conventional NUFLO flow
meters plus the following advantages:

Flow Meter Size x
End Connection
Size(2)

Lengths, in. (mm)

in.

1

2

3

4

6

8

3/8 x 1

4.0 (102)

––

––

––

––

––

1/2 x 1

4.0 (102)

––

––

––

––

––

––

––

––

––

––

•

Lower installation cost

3/4 x 1

4.0 (102)

•

L ess expensive than a conventional,
flanged meter

7/8 x 1

4.0 (102)

––

––

––

––

––

1x2

––

2.5 (63.5)

––

––

––

––

E asy installation, removal and
inspection

3/8 x 2

––

2.5 (63.5)

––

––

––

––

1/2 x 2

––

2.5 (63.5)

––

––

––

––

•

 ates to any raised-face flange rated
M
ANSI 150# to 1500#

3/4 x 2

––

2.5 (63.5)

––

––

––

––

7/8 x 2

––

2.5 (63.5)

––

––

––

––

•

 ates to any ring joint flange rated
M
ANSI 900#, 1500# or 2500#

1x2

––

2.5 (63.5)

––

––

––

––

1-1/2 x 2

––

2.5 (63.5)

––

––

––

––

•

 educed-bore designs (e.g. 1” x 2”
R
end connection) enable flow range
adjustments without changing end
connections.

2x2

––

2.5 (63.5)

––

––

––

––

2x3

––

––

4.25 (108)

––

––

––

3x3

––

––

4.25 (108)

––

––

––

3x4

––

––

––

5.0 (127)

––

––

4x4

––

––

––

5.0 (127)

––

––

4x6

––

––

––

––

5.75 (146.1)

––

•

Specialized Flow Meters
•

High pressure

•

Cement slurry

6x6

––

––

––

––

5.75 (146.1)

––

•

Nitrogen

•

Corrosive service

6x8

––

––

––

––

––

6.25 (158.8)

Drilling fluids

8x8

––

––

––

––

––

6.25 (158.8)

•

CO2

•

Specify flange type (raised face or ring joint) when ordering.
Cameron offers multiple flow meter sizes for many end connection sizes, making it easy to adapt to changing
flow rates
(3)
CE-marked meter requires special centering rings.
(1)

Contact Cameron’s Measurement Systems
division for application assistance.
6

in high-pressure oilwell service applications. All WECO 1502 union

(2)

Meters for use with Ring Joint Flanges1
Flow Meter Size x
End Connection Size

1

Lengths, in. (mm)

in.

1

2

3

4

6

8

1/2, 3/4, 7/8, 1 x 2

––

3.5 (88.9)

––

––

––

––

1-1/2 x 2

––

3.5 (88.9)

––

––

––

––

2x2

––

3.5 (88.9)

––

––

––

––

3x3

––

––

4.25 (108)

––

––

––

4x4

––

––

––

5.0 (127)

––

––

6x6

––

––

––

––

5.75 (146.1)

––

8x8

––

––

––

––

––

6.25 (158.8)

Specify flange type (raised face or ring joint) when ordering.

Pressure Drop Curve for NUFLO Turbine Flow Meters

7

North and South

Europe, Africa, Caspian

Asia Pacific

Middle East

America

and Russia

Suite 16.02 Menara AmFirst

Level 9, Al Jazira Club Tower A

14450 JFK Blvd.

3 Steyning Way

No. 1 Jalan 19/3

PO Box 47280, Muroor Road

Houston, TX 77032

Southern Cross Trading Estate

46300 Petaling Jaya

Abu Dhabi

USA

Bognor Regis

Selangor Darul Ehsan

United Arab Emirates

Tel 1 281 582 9500

West Sussex PO22 9TT

Malaysia

Tel 971 2 596 8400

ms-us@c-a-m.com

England, UK

Tel 603 7954 0145

ms-uk@c-a-m.com

Tel 44 1243 826741

ms-kl@c-a-m.com

ms-uk@c-a-m.com

A L G E R I A • C A N A DA • C H I N A • I N D I A • M A L AYS I A • R U SS I A • UA E • U K • U S A

www.c-a-m.com/measurement

© 2013 Cameron | NUFLO is a trademark of Cameron. WECO is a federally registered trademark of FMC Technologies, Inc. EZ-IN is a registered trademark of Cameron | SWP 2M 10/13 AD01166M



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