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TBQM Turbine Gas Flowmeter

TBQM Turbine Gas Flowmeter

The TBQM turbine flowmeters comply with the European requirements of EN12261 and OIML R137-1&2:2012.
The product can be widely used for fiscal or in-plant volume measurement of combustible gases of the first, second and third gas family(natural gas, town gas, propane, butane and others), purified and dried biogas as well as other inert, non-aggressive gases and nonexplosive gases and gas mixtures. It is the ideal instrument for residential, office buildings, commercial and industrial plants.

Main Advantages

  • Size
    G65 – G4000
  • Horizontal and vertical
    mounting positions possible
  • Rangeability
    20:1, up to 50:1
  • Lubrication Methods
    Built-in integrated lubrication system
  • Pressure Class
    PN 16 up to PN160,
    Class 150 up to Class 900
  • Output Function
    Supports 3-way high-frequency output

Approvals

  • MID according EN 12261:2018 “Gas meters-Turbine gas meters”
  • MID Module B+D
  • OIML R137-1&2:2012 “Gas meters”
  • PED
  • ATEX, IECEx (The ATEX and IECEx explosion-proof certifications are for low-frequency modules.)

Operating Principle

The rotating speed of the turbine is proportional to the gas flow rate within a defined flow range. The turbine rotates and transmits the motion to the mechanical counter reading unit, which is mounted on the outside of the housing through the decelerating transition mechanism and magnetic coupling connector, thus realizing the counting and output of the flow-pulse signal (LF or HF).

Product Structure Diagram

  •   1. Meter housing
  •   2. Turbine rotor
  •   3. LF and anti-tampering contact
  •   4. Meter index head
  •   5. Flow conditioner
  •   6. Measuring unit
  •   7. Lubrication (oil) pump

Rangeability and Pulse Weighting Data

DN (mm/inch) G-type Qmin (m³/h) Q max (m³/h) HF (imp/m³) NF (imp/m³)
50 / 2” 65 5 100 105000 10
80 / 3” 100 8 160 26000 1
80 / 3” 160 12.5 250 26000 1
80 / 3” 250 20 400 26000 1
100 / 4” 160 12.5 250 13500 1
100 / 4” 250 20 400 13500 1
100 / 4” 400 32.5 650 13500 1
150 / 6” 400 32.5 650 5000 1
150 / 6” 650 50 1000 5000 1
150 / 6” 1000 80 1600 5000 1
200 / 8” 650 50 1000 2200 1
200 / 8” 1000 80 1600 2200 1
200 / 8” 1600 125 2500 2200 1
250 / 10” 1000 80 1600 1900 0.1
250 / 10” 1600 125 2500 1900 0.1
250 / 10” 2500 200 4000 1900 0.1
300 / 12” 1600 125 2500 1200 0.1
300 / 12” 2500 200 4000 1200 0.1
300 / 12” 4000 325 6500 1200 0.1

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