It is single jet water meter with mechanical transmission, liquid protected register for residential application designed and manufacture by NWM and meets to the requirements of Directive 2004/22/EC on measuring instruments; The European Standard EN14154+A1+A2: Water Meter; The International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water or comply to ISO4064 Standard.
CHARACTERISTICS:
All the Materials in contact with water, consciously selected by the known resistance to corrosion;
Cold water meter under current standard for lower than 30oC(T30), but it can be used safely in water temperature up to 50oC(T50);
The rollers are hermetically sealed by special liquid don't touch with the water which ensures the clear reading in any operating conditions;
The Impeller is the only moving parts in contact with water permitting the most reliable;
The mechanical transmission movement with the maximum reliability;
Non Return Valve to avoid the reserve flow Rate AS OPTION;