Description
NWM PD-SDC-E4 is Piston Displacement (Volumetric) water meter with magnetic transmission, dry type register for residential application with sizes from Dn15 to Dn40 designed and manufactured 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 with ISO4064 Standard
CHARACTERISTICS:
All the components are produced with high resistance and quality materials, technical plastics and body avoid from corrosion;
Cold water meter under current standard for lower than 30(T30), but NWM PD-SDC E4 can be used safely in water temperature up to 50(T50);
The ROTARY indicator register for the most comfortable reading position is of 8 Rollers and 1 Pointer, with pulse output pre-equipped at 10 liters/pulse
The Piston is the main moving parts in contact with water permitting the most reliable
The extra inlet filter at the inlet of the meter body permits cleaning it without breaking the metrological seal;
Non Return Valve to avoid the reserve flow Rate AS OPTION;
| Size | mm | Dn15 | Dn20 | Dn25 | Dn32 | Dn40 |
| R | Q3/Q1 | R160 for Horizontal installation |
| 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 | 99999.9999 | 1000000 |
| Min. Reading | Liter | 0.05 |
| Pressure Loss | Δ P | Δ P< 63 at Q3 |
| Max. Pressure | MAP | MAP16 |
| Max. Temperate | º C | T30 or T50 |
Complaint
