NWM SJ-LFC 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 NWM SJ-LFC 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;
| Size |
mm |
50 |
80 |
100 |
150 |
200 |
250 |
300 |
400 |
500 |
| R |
Q3/Q1 |
250 |
250 |
250 |
250 |
200 |
200 |
160 |
160 |
160 |
| Q4 |
m 3 /h |
78.8 |
125 |
200 |
500 |
787.5 |
1250 |
2000 |
3125 |
5000 |
| Q3 |
m 3 /h |
63 |
100 |
160 |
400 |
630 |
1000 |
1600 |
2500 |
4000 |
| Q2 |
m 3 /h |
0.4 |
0.63 |
1 |
2.56 |
5 |
8 |
16 |
25 |
40 |
| Q1 |
m 3 /h |
0.25 |
0.4 |
0.63 |
1.6 |
3.2 |
5 |
10 |
15.6 |
25 |
| Max. Reading |
m 3 |
999, 999, 999 |
9999999, 99 |
99999999, 9 |
| Min. Reading |
m 3 |
0, 0005 |
0, 005 |
0, 05 |
| Max. Temperate |
º C |
T30 or T50 |
| Max. Temperate |
º C |
T30 or T50 |
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