WEF - Helical vane water meters WOLTMANN MID

In-line turbine woltmann meter, direct reading. WEF-P REMOVABLE model, available in sizes from DN 50 to DN 300, temperature classes T50, measuring range R100 and R50, pre-set for remote reading. WELF REMOVABLE model, available in sizes from DN 50 to DN 300, temperature classes T50, measuring range R100 and R50, fitted with sensor for remote reading. Measuring insert replaceable without removing the water meter from the pipeline. IP 68 DRY dial to use with hard, turbid and very calcareous waters. All models are MID approved according to current Directive (modules B+D), in compliance with EN 14154, OIML R49 and ISO 4064 norms. Requirements for upstream and downstream straight pipelines: U5/D3. Installation in any position (for non horizontal installation, flow must be upwards): in any case, the meter must be always full of water to ensure a correct functioning.

Applicable Standards
  • EN 14154-1

    Water meters. General requirements...

  • ISO 4064-1

    Water meters for cold potable water and hot water ...

  • OIML R49-1

    Water meters for cold potable water and hot water. Part 1: Metrological and technical requirements

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