ARIES is a single jet water meter specifically designed for submetering market. It is characterised by its accurate metering capability, its ruggedness and versatility.
Developed within the framework of the MID, ARIES complies with the European regulations and holds sanitary conformity certificates.
Modular, ARIES can be fitted at any time with an IZAR clip-on module, converting it into a communicating meter ready for mobile or fixed (radio/wired) network reading.


  • DN 15 / 20
  • Q3 = 1.6 m³/h and Q3 = 2.5 m³/h (DN 15) / Q3 = 4 m³/h (DN 20)
  • MID and OIML approvals up to R = 125H and R = 63V
  • Starting flow rate : 6 l/h (DN 15) / 12 l/h (DN 20)
  • Brass and composite body
  • Integrated plastic inlet filter
  • Cold and hot water
  • Metrological data
    Nominal diameterDNmm1515151520
    Permanent flow rateQ3m³/h2.
    R standard*Q3/Q180H-40V125H-50V125H-63V125H-63V125H-63V
    Starting flow rate horizontall/h1266912
    Minimum flow rate horizontalQ1l/h3112.8202532
    Transitional flow rate horizontalQ2l/h5020.5324051.2
    Minimum flow rate verticalQ1l/h61.53239.739.763.5
    Transitional flow rate verticalQ2l/h10051.263.563.5101.6
    Overload flow rateQ4m³/h3.12523.1253.1255
    Pressure loss at Q3bar0.560.590.590.590.57
    Pressure loss at Q4bar0.880.920.930.920.89
    Kv (deltaP=Q²/Kv²)3.342.
    *other values on request - H=horizontal installation position / V=vertical installation position
  • Approval
    MID approvalLNE-30014 | B2 type
    StandardsEN 14154 | ISO 4064 | OIML R49
    Sanitary conformityACS | WRAS | PZH

    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 components 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°C+0.1 ... +50 / +0.1 ... +90
    Ambient operating temperature°C+1 ... +55
    Storage temperature°C-10 ... +55
    Nominal pressurePNbar16
  • Dimensions
    Nominal diameterDNmm1515151520
    Permanent flow rateQ3m³/h2.
    DiameterØ Bmm7373737373
    Thread connectionsGinch¾"¾"¾"¾"1"
    Weight - plastic registerkg0.310.380.380.230.51
    * 7/8" version also available in option
  • Precision curve - horizontal

    This technology doesn't require straight length.

  • Option

    Glass-metal register (only for cold water meter)Tamper proof ringNon-return valve that entirely fits into the bodyCover

  • Sustainability

    Our priority program "Ecodesign" focuses on developing products with proven low environmental impact.
    At Diehl Metering, sustainability is part of our DNA. That is why some of our products are entirely developed to meet an ecodesign approach. All life cycle stages of our products are considered when we do Ecodesign. The goal behind this continuous improvement cycle is to reduce the environmental impact of our products compared to the previous generation. This means that we use raw materials efficiently, that we optimize resources and minimize waste.