Description
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 |
| R | Q3/Q1 | 160 | 160 | 160 |
| Q4 | m3/h | 3,125 | 5 | 7,875 |
| Q3 | m3/h | 2,5 | 4 | 6,3 |
| Q2 | l/h | 25 | 40 | 63 |
| Q1 | l/h | 15,625 | 25 | 39,375 |
| Max. Reading | m3 | 99999.9999 |
| Min. Reading | Liter | 0.02 |
| Pressure Loss | ΔP | 63 |
| Max. Pressure | MAP | 16 |
| Max. Temperate | T | T30 or T50 |
Complaint
