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PTFE Variable Area Flow Meters with PTFE Valves


Item# FL-3007SA

In stock

Lead Time (If not in stock): 4 weeks
PTFE Variable Area Flow Meters with PTFE Valves FL-3007SA FL-3007SA
  • Excellent Chemical Compatibility for Use with Corrosive or Ultra-Pure Fluids
  • ±2% of Full Scale Accuracy
  • Shield Magnifies Scale for Accurate Readings

FL-3007SA Model Options

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*Highlighted options are not compatible. Please select a different combination.

Gas Flow Range
Liquid Flow Range
Media Type
Process Connection Type
Process Connection Size
Wetted Materials
Max Operating Pressure
Max Process Temperature
Valve Included

The FL-3000 and FL-3100 Series flowmeters are designed for applications which involve corrosive or ultra-pure fluids. The meters are equipped with built-in PTFE needle valves with PCTFE, borosilicate glass, sapphire, and Perfluoroelastomer O-rings.

The special scale design, where a vertical line runs up the length of the scale and intersects the horizontal scale divisions, reduces parallax and eye fatigue, thus insuring high accuracy readings. The front polycarbonate resin shield also acts as a magnifying glass, all of which makes these Variable Area Flow Meters, far easier to read than standard industrial designs.

Accuracy: ±2% FS (±5% FS for models FL-3007SA and FL-3145SA)
Repeatability: ±0.25% FS
Max. Pressure: 100 psig
Max. Temperature: 66°C (150°F)
Connections: 1/8 FNPT
Mounting: Panel mount or optional tripod base
Height/Center to Center Port Distance: 65 mm (6.156'/5.156'); 150 mm (10.469'/9.469')

65 mm Models
Model No.Max Flow Rate* (cc/min)
150 mm Models
Model No.Max Flow Rate* (cc/min)
*Minimum flow rate is 10% of maximum rate shown.
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Rated 4 out of 5 by from i ordered them for someone else to use so I don't know the outcome. They looked fine and appear to be good quality
Date published: 2016-04-18
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Does Omega provide electronic copies of their flow data sheets (flow rates corresponding to scale readings on the rotameter)? Thanks!

Asked by: jackie27
Thank you for your inquiry. Yes, we do provide electronic copies of the correlation charts for the FL-3000/3100 series flow meters. Email for copies of these charts.
Answered by: AS Engineer
Date published: 2019-08-15

For the included valve, can you provide a flow coefficient (i.e. pressure drop for a given flow) for the wide open condition? The data sheet lists 1 psid at 0.2 gpm for an "Accessory" PTFE valve, but is this the same as default included valve?

Asked by: F T S
Thank you for your inquiry about the rotameters. Please send an email to the Flow Group at and can provide the pressure loss for a specific rotameter you are interested since it varies with the media type.
Answered by: Application Engineer JC
Date published: 2022-09-28

These flow meters used to mount with 2 small screws in the back , now they dont have the threaded holes

Asked by: Dan J
The PTFE rotameters do not have 2 small screws, only the holes to thread or mount the rotameter.
Answered by: Application Engineer JC
Date published: 2019-11-17

Is this flow meter available in a top valve version?

Asked by: Josh S
Thank you for your inquiry. Please e-mail with your process conditions and our Flow Engineers can advise if the modification can be done.
Answered by: AS Engineer
Date published: 2020-06-24

What is the float material for the PTFE Variable Area Flow Meter model FL-3000 or FL-3100?

Asked by: MichaelP
Thank you for your inquiry. The float material is a sapphire and red in color.
Answered by: Applications Engineer JJC
Date published: 2024-06-25
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Tripod for 1 rotameter
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