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Watermeter Mechanism Core

Size (mm) - Refers to inside bore diameter.
Max Flow Rate (Q m3/h) - Refers to the emergency flow rate in the event of system failure. Damage may result.
Nominal Flow Rate (QN m3/h) - Typical application for every day usage.
Transitional Flow Rate (L/hr) - Point at which the flow rate is high enough to achieve a level of accurate measurement.
Minimum Flow Rate (L/hr) - The absolute minimum flow required for the unit to function.
EEC Approved Class - The EEC Classification system used to measure accuracy at very low flow rates.
Standard ISO4064/BS5728/EEC Specification Class B applies

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