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;
| Size |
mm |
Dn15 |
Dn20 |
Dn25 |
Dn32 |
Dn40 |
| R |
Q3/Q1 |
160 |
160 |
160 |
160 |
160 |
| Q4 |
m 3 /h |
3, 125 |
5 |
7, 875 |
12, 5 |
20 |
| Q3 |
m 3 /h |
2, 5 |
4 |
6, 3 |
10 |
16 |
| Q2 |
l/h |
25 |
40 |
63 |
100 |
160 |
| Q1 |
l/h |
15, 625 |
25 |
39, 375 |
62, 5 |
100 |
| Max. Reading |
m 3 |
99, 999, 999 |
999, 999, 999 |
| Min. Reading |
Liter |
0, 02 |
| Pressure Loss |
Δ P |
Δ P< 63 at Q3 |
| Max. Pressure |
MAP |
MAP16 |
| Max. Temperate |
º C |
T30 or T50 |
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