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 |
Dn |
Dn15 |
Dn20 |
Dn25 |
Dn32 |
Dn40 |
R |
Q3/Q1 |
80 |
80 |
|
80 |
80 |
80 |
Q4 |
m3/h |
3,125 |
5 |
|
7,875 |
12,5 |
20 |
Q3 |
m3/h |
2,5 |
4 |
|
6,3 |
10 |
16 |
Q2 |
l/h |
50 |
80 |
|
126 |
200 |
320 |
Q1 |
l/h |
31,25 |
50 |
|
78,75 |
125 |
200 |
Max. Reading |
m3 |
|
|
99999,9999 |
|
|
Min. Reading |
Liter |
|
|
|
0.02 |
|
|
Pressure Loss |
ΔP |
|
|
ΔP <63 at Q3 |
|
|
Max. Pressure |
MAP |
|
|
|
MAP16 |
|
|
Max. Temperate |
T |
|
|
|
T30 or T50 |
|
|