ALTAIR V3 is a volumetric water meter designed for main markets. It is characterized by its versatility and robustness compatible with varying water qualities.
Modular, ALTAIR V3 may be fitted at any time with an IZAR clip-on module converting it into a communicating meter, ready for mobile or fixed network (radio/wired) reading.


  • DN25/32/40
  • Q3=6.3 m3/h (DN25), Q3=10 m3/h (DN32), Q3=16 m3/h (DN40)
  • MID approval up to R=800
  • Starting flow rate at 5 l/h
  • Low head loss
  • High dynamic range
  • Installation in any position
  • Metrological data
    Nominal diameterDNmm253240
    Nominal flowrateQ3m³/h6.31016
    R standard*Q3/Q1160160160
    Starting flowratel/h555
    Minimum flowrateQ1l/h39.462.5100
    Transition flowrateQ2l/h63100160
    Maximum flowrateQ4m³/h7.8712.520
    Head loss at Q3bar0.4850.5150.613
    Head loss at Q4bar0.7560.8050.957
    Kvs (deltaP=Q²/Kvs²)9.0513.9320.44
    * Other values on request
  • Approval
    MID approvalLNE-5582 | A1 type
    StandardsEN 14254 | ISO 4064 | OIML R49
    Sanitary conformityACS | WRAS | Belgaqua

    Information pursuant to Article 33 (1) of Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006:
    This product series contains articles with the following substances in a concentration of more than 0.1% weight by weight (w/w):
    - Lead (CAS no.: 7439-92-1)

  • Temperature and pressure
    Water temperature°C0.1 ... +50
    Ambient operating temperature°C+1 ... +55
    Storage temperature°C-10 ... +55
    Nominal pressurePNbar16
  • Dimensions
    Nominal diameterDNmm253240
    Nominal flowrateQ3m³/h6.31016
    Height - cover openHmm227.6227.6227.6
    Thread connections standardinch1"1/41"1/22"
    Thread connections (in option)inch-1"1/4-
    * Other values on request
  • Precision curve

  • Options

    - Non-return valve
    - Pair of connectors
    - Plastic register

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