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FR Flowmeters

FR Flowmeters. For liquids and inert gases. For medium flow rate

FR Flowmeters. For liquids and inert gases. For medium flow rate
Measuring principle Variable area
Flow range for liquids up to 12,000 l/h
Flow range for gaseous fluids up to 100 Nm ³/h
Process connection square,axial; threaded or flanged from 1/2" to 2"
Temperature 70°C max
Pressure up to 10 Bar (on request PN16, PN25, PN40)
Price from € 88,00

The flowmeters FR series are instant flow measuring devices suitable for measuring low, medium and high flow rates of any type of fluid in the duct (corrosive or acid) with conditions of temperature and pressure contained within the limits of resistance of the glass tube.

In the flowmeters, the flow measurement can be read with great precision on the scale indicated directly on the measuring tube.
To request we manufacture reading scales related to fluid specific customer.


These flowmeters  are made entirely of Plexiglas with tapered bore measurement calibrated and polished obtained directly in the structure.
The guided or free float is made of different materials: AISI 316, Hastelloj, PVC, PTFE, etc. Moplen.
The accuracy is ± 5% fs.

Technical Characteristics

Measuring principle:
    • Variable area
    Measuring range / adjustment:
      • Max: 12000 Lt/h (H2O)
        100 Nmc/h (air)
      Precision Class:
        • ±5% VFS
        Operating temperature:
          • Max: +70 [°C]
          Pressure max:
            • 10 [Bar]
            Process connection:
              • Axial: 1/2" | 3/4" | 1" | 1"1/4 | 1"1/2 GM threaded or flanged
                Square connection: 3/8" | 1/2" | 3/4" | 1" | 2" GM threaded
              Materials in contact with the media:
                • Stainless steel AISI 304
                • Stainless steel AISI 316
                • Hastelloy C
                • Plexiglass
                • PTFE
                • PVC
                Accessories:
                  • Photoelectric cell for min or max range
                  Approvals:
                    • Calibration certificate
                    • EC Declaration of Conformity