Multi-Jet Dry type of Water Meter （MJ-SDC）
Magnetic shield for external magnet protection;
Strongest and reliable plastic body material;
Magnetic drive with super dry type register;
Non Return Valve for selecting;
5 Rollers or 8 Rollers for Selecting;
With pulse output vision for selecting
Corrosion Resistance
All the materials selected by resistance to corrosion;
Anti-interference
The conception of the Magnetic Protection to against the external influences;
Directly Reading
The indicator register is of 5 Rollers (Dn40/Dn50 with 6 Rollers) and 4 Pointers;
Extra Inlet Filter
The inlet lter prevents water meter from any effect by grit and particulates;
Non Return Valve
to avoid the reserve ow Rate AS OPTION;
IP68
A copper can super Dry register with IP68 protection AS OPTION;
| Size(mm) | Dn15 | Dn20 | Dn25 | Dn32 | Dn40 | Dn50 | Dn50-Flange |
| L | 165/190 | 190 | 260 | 260 | 300 | 300 | 300 |
| L1 | 259/284 | 294 | 380 | 384 | 431 | 448 | / |
| D | G3/4B | G1B | G1-1/4B | G1-1/2B | G2B | G2-1/2B | / |
| d | R1/2 | R3/4 | R1 | R1-1/4 | R1-1/2 | R2 | / |
| H | 107.5 | 107.5 | 117 | 118 | 151 | 151 (brass) 176 (iron) | 176 (brass)
181 (iron) |
| H1 | 191 | 191 | 206.5 | 206.5 | 258 | 258 (brass) 283 (iron) | 283 (brass)
288 (iron) |
| W | 95 | 95 | 100 | 100 | 122 | 122 (brass)
145 (iron) |
138 (brass)
145 (iron) |
L1 : the total length with connection and the gasket without compression.
| DN |
mm | 15 | 20 | 25 | 32 | 40 | 50 |
| R | Q3/Q1 | 80 | 80 | ||||
| Q4 | m3/h | 3.125 | 5 | 7.875 | 12.5 | 20 | 31.25 |
| Q3 | m3/h | 2.5 | 4 | 6.3 | 10 | 16 | 25 |
| Q2 | l/h | 25 | 40 | 63 | 100 | 160 | 250 |
| Q1 | l/h | 15.625 | 25 | 39.375 | 62.5 | 100 | 156.25 |
| Max. reading | m3 | 99 999.9999 | 999 999.9999 | ||||
| Min. reading |
Liter | 0.05 | |||||
| Pressure loss |
∆p | ∆p<63 | |||||
| Max, Pressure |
MAP | MAP16 | |||||
| Max, Temperate | ℃ | T30 / T50 | |||||
(For different Q3 and R, please contact with NWM manufacture).
a.In the lower zone (Q1≤Q≤Q2): maximum permission error is ±5% b.In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30˚C), maximum permission error is ±3% (30˚C <T≤50˚C)
The meters should be installed in HORIZONTAL position with the direction of the ow as indicated by the arrow cast on the meter body with registerface upwards; Pipeline must be ushed before installation; The meter should be constantly full of water during operation;