NWM PD-LFC (B) is Piston Displacement (Volumetric) water meter with mechanical transmission, liquid sealed register has the sizes from Dn15 to Dn40 designed 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 and hot water or comply with ISO4064 Standard.
Characteristics:
All the components are produced with high resistance and quality materials, technical plastics and stainless steel parts;
Cold water meter under current standard for lower than 30ºC(T30), but NWM PD-LFC (B) can be used safely in water temperature up to 50ºC(T50);
The rollers are protected by special liquid don't touch with the water which ensures the clear reading in any operating conditions;
The mechanical transmission movement with the maximum reliability; No influence from the external magnetic field;
Suitable for any position installation;
Non Return Valve to avoid the reserve flow Rate;
| 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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