NWM MULTI G is IMPELLER (turbine) water meter with magnetic transmission, dry type register for residential application with sizes from Dn15 to Dn20designed by NWM and meets to the requirements of Directive 2004/22/EC on measuring instruments; The European Standard EN14154+A1+A2:the International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water and hot water or comply with 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 NWM MULTI G can be used safely in water temperature up to 50ºC(T50);
The ROTARY indicator register for the most comfortable reading position of 7Rollers and 2Pointers;
The ROTARY plastic cap and lid for the most comfortable installation;
The Impeller is the only moving parts in contact with water permitting the most reliable;
The inlet filter at the inlet of the meter body permits cleaning it without breaking the metrological seal; Internal filter as option;
The conception of the Magnetic Protection to against the external influences;
Non Return Valve to avoid the reserve flow Rate AS OPTION;
DN |
mm |
15 |
20 |
20 |
R |
Q3/Q1 |
50/80 |
Q4 |
m3/h |
2/3.125 |
3.125/5 |
2/3.125 |
Q3 |
m3/h |
1.6/2.5 |
2.5/4 |
1.6/2.5 |
Q2 |
l/h |
51.2/50 |
80 |
51.2/50 |
Q1 |
l/h |
32/31.25 |
50 |
32/31.25 |
Max. reading |
m3 |
99999.9999 |
Min. reading |
Liter |
0.05 |
Pressure loss |
△p |
△p<63 |
Max. pressure |
MAP |
MAP16 |
Max. temperature |
ºC |
T30/T50 |