NWM SJ-SDC PLUS is IMPELLER (turbine), high sensitivity single jet C Class water meter with dry type register for residential application with sizes from Dn15 to Dn25. According 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 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 SJ-SDC PLUS can be used safely in water temperature up to 50ºC(T50);
Rotary indicator register with 7 Rollers and 2 Pointers for easy reading;
The Impeller is the only moving parts in contact with water permitting the Most reliable;
The conception of the Magnetic Protection to against the external influences;
No need for external adjustment due to its design and high technology in Manufacturing;
High Accuracy for Horizontal installation;
With Pre-equipped for communication device as Option.
| Size |
mm |
Dn15 |
Dn20 |
Dn25 |
Dn32 |
Dn40 |
Dn50 |
| R |
Q3/Q1 |
R80 for Horizontal installation |
| Q4 |
m 3 /h |
3, 125 |
5 |
7, 875 |
12, 5 |
20 |
31, 25 |
| Q3 |
m 3 /h |
2, 5 |
4 |
6, 3 |
10 |
16 |
25 |
| Q2 |
l/h |
50 |
80 |
126 |
200 |
320 |
500 |
| Q1 |
l/h |
31, 25 |
50 |
78, 75 |
125 |
200 |
312, 5 |
| Max. Reading |
m 3 |
999, 999, 999 |
9, 999, 999, 999 |
| Min. Reading |
Liter |
0.05 |
| Pressure Loss |
Δ P |
Δ P< 63 at Q3 |
| Max. Pressure |
MAP |
MAP16 |
| Max. Temperate |
& ordm; C |
T30 or T50 |
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