Description
NWM PD-SDC (E)is Piston Displacement(Volumetric) water meter with dry type register at sizes Dn15, Dn20, Dn25designed by NWM and meets to the requirements of Directive 2004/22/EC on measuring instruments and of European Standard EN14154 or ISO 4064 Standard
Characteristics:
All the components ate 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-SDC (E) can be used safely in water temperature up to 50ºC(T50);
The indicator register is of 5 rollers and 4 pointers;
The Piston is the only moving parts in contact with water permitting the most reliable;
Suitable for any position installation;
The extra inlet filter at the inlet of the meter body permits cleaning it without breaking the metrological seal;
The conception of the Magnetic Protection to against the external influences;
Non Return Valve to avoid the reserve flow Rate AS OPTION;
The indicator register is of 8 Rollers and 1 Pointer AS OPTION;
Copper can super dry type register with IP68 protection AS OPTION;
Size | Dn15 | Dn20 | Dn25 | Dn32 |
L | 165 | 190 | 260 | 260 |
L1 | 259 | 294 | 380 | 380 |
D | G3/4B | G1B | G1-1/4 | G1-1/2 |
d | R1/2 | R3/4 | R1 | R1-1/4 |
H | 113 | 121 | 143 | 143 |
H1 | 198 | 204 | 231 | 231 |
W | 96 | 100 | 110 | 110 |
Size | mm | Dn15 | Dn20 | Dn25/Dn32 |
R | Q3/Q1 | 315 | 160 | 160 |
Q4 | m3/h | 3,125 | 5 | 7,875 |
Q3 | m3/h | 2,5 | 4 | 6,3 |
Q2 | l/h | 12.69 | 40 | 63 |
Q1 | l/h | 7.93 | 25 | 39,375 |
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 |