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 |