Orifice Flowmeter

The RCM Flo-GageTM is a direct reading flow meter with a large, easy to read dial calibrated in engineering units (GPM, SCFM, l/m, etc.) The Flo-Gage measures flow based on a pressure diffential created across a built-in calibrated nozzle. The meter is self-contained and complete, seperate orifices, or blocking, purging or equalizing valves.

The Flo-Gage is suitable for measuring water, oil and most other low viscocity liquids which do not deposit out and which are compatible with the materials of construction. The Flo-Gage is also suitable for measuring compressed air, oxygen, carbon dioxide and many other non-toxic compressed gases. (Specify Option I). Saturated steam can also be measured up to 120 psig. (Option K).


The Flo-Gage can be fitted with a transmitter with current or frequency outputs for remote indication or totalization, or with reed switch contacts for signaling high or low flows

Features:

  • Sturdy, in-line, metal contruction to withstand piping stresses
  • Black on white dial won't crack, glaze or bcome hard to read with age
  • Expanded analog 270ºC dial for reading at a glance
  • Large 3.5" (90mm) dial
  • Suitable for use with both opaque and clear fluids
  • Measures 6:1 range with ± F.S. accuracy
  • Dial and case factory configured for quick installation-but easily field reconfigured if needed



Accuracy ±3%F.S.
Repeatability ±1%F.S.
  Standard Optional
Pressure, max 180psig(12.6kg/cm2) 400psig(28.1kg/cm2)
Pressure, min 10psig(0.67kg/cm2) 10psig(0.67kg/cm2)
Temperature, max 100ºC 177ºC
Temperature, min -34ºC
  Protect from freezing liquids


Transmitter (Option W, X, Y, Z)


Accuracy Horizontal Flow ±3% F.S. above 30% F.S.
Vertical Flow ±3% F.S. above 30% F.S.
Ambient Temp Limit 50ºC
Current Output 4-20mA into 800 ohms maximum
Contact Rating (hi/lo) 3.0 amp@24V, 1.0 amp@117V, 0.5amp@230V
Frequency Output 1000Hz F.S. 5V peak, 270 ms on time
Electrical rating General Purpose
Power Input 100mA, 24Vdc per transmitter(customer furnished)


Standard Flow Rates and Body Sizes:

Series 7000 (threaded) and Series 8000(wafer)

Size Flow Scale Flow Range
Liquid Gas (option I)
in mm GPM l/m SCFM Nm3/h
1/4 08 2 8 10 15
1/4 08 3 15 20 30
1/4 08 4 25 30 50
1/2 15 2 8 10 15
1/2 15 3 10 20 30
1/2 15 4 15 30 50
1/2 15 6 25 40 80
1/2 15 10 40 60 100
3/4 20 6 25 60 100
3/4 20 10 40 100 150
3/4 20 15 60 150 200
3/4 20 20 80 200 300
1 25 15 60 150 250
1 25 20 80 200 400
1 25 30 120 300 500
1 25 40 150 400 600
1.5 40 30 120 300 500
1.5 40 40 150 400 600
1.5 40 60 240 600 1000
1.5 40 100 400 800 1200
2 50 40 150 400 600
2 50 60 240 600 1000
2 50 100 400 800 1200
2 50 150 600 1000 1500
2 50 200 800 1200 2000
3 80 200 800 1000 1500
3 80 300 1000 2000 3000
3 80 400 1500 3000 5000
3 80 500 2000 4000 6000


Series 8000 only (wafer)

Size Flow Scale Flow Range
Liquid Gas (option I)
in mm GPM l/m SCFM Nm3/h
2.5 65 60 240 600 1000
2.5 65 100 400 800 1200
2.5 65 150 600 1000 1500
2.5 65 200 800 1200 2000
in mm GPM l/m SCFM Nm3/m
4 100 300 1000 1500 50
4 100 400 1500 3000 100
4 100 600 2400 5000 150
4 100 800 3000 6000 200
5 125 300 1000 1500 50
5 125 400 1500 3000 100
5 125 600 2400 5000 150
5 125 800 3000 6000 200
6 150 600 2400 3000 100
6 150 800 3000 5000 150
6 150 1000 4000 8000 250
6 150 2000 8000 15000 400
8 200 600 2400 5000 150
8 200 1000 4000 8000 250
8 200 2000 8000 15000 400
8 200 3000 1200 20000 600


Optional Low Flow Rates (Optional ES)
Size Full Scale Flow Range
liquid gas(option I)
in mm GPH l/h cc/m SCFH Nm3/h
0.5 15 4 15 200 40 1
0.5 15 6 20 300 60 2
0.5 15 10 40 400 100 3
0.5 15 15 60 600 150 4
0.5 15 20 80 1000 200 6</s

Specific References

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