Multi jet, semi-dry type pre-equipped for remote reading modules
The GMDM-I is a multi-jet, semi-dry type magnetic transmission water meter with a 360° rotating lid.
Inductive pre-equipment for the installation of data communication modules come standard; M-Bus Wired and Wireless OMS, and non-magnetic pulse output. LoRa and NB-loT are available upon request.
| Size | mm (in) | 15 (1/2″) | 20 (3/4”) | 25 (1”) | 32 (1″1/4) | 40 (1″1/2) | 50 (2″) |
|---|---|---|---|---|---|---|---|
| Overload flow rate Q4 | m3/h | 3.125 | 5 | 7.875 | 12.5 | 20 | 31.25 |
| Permanent flow rate Q3 | m3/h | 2.5 | 4 | 6.3 | 10 | 16 | 25 |
| Sensitivity | l/h | 6 | 6 | 10 | 10 | 20 | 20 |
| Minimum reading | l | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Maximum reading | m3 | 99,999 | 99,999 | 99,999 | 99,999 | 999,999 | 999,999 |
| Max admissible pressure | bar | 16 | 16 | 16 | 16 | 16 | 16 |
| R=100H ↑ | mm (in) | 15 (1/2″) | 20 (3/4”) | 25 (1”) | 32 (1″1/4) | 40 (1″1/2) | 50 (2″) |
|---|---|---|---|---|---|---|---|
| Transitional flow rate Q2 | l/h | 40 | 64 | 100.8 | 160 | 256 | 400 |
| Minimum flow rate Q1 | l/h | 25 | 40 | 63 | 100 | 160 | 250 |
| R=160H ↑ * | mm (in) | 15 (1/2″) | 20 (3/4”) | 25 (1”) | 32 (1″1/4) | 40 (1″1/2) | 50 (2″) |
|---|---|---|---|---|---|---|---|
| Transitional flow rate Q2 | l/h | 25 | 40 | 63 | 100 | 160 | 250 |
| Min flow rate Q1 | l/h | 15.63 | 25 | 39.38 | 62.5 | 100 | 156.25 |
| R=50 VH→ | mm (in) | 15 (1/2″) | 20 (3/4”) | 25 (1”) | 32 (1″1/4) | 40 (1″1/2) | 50 (2″) |
|---|---|---|---|---|---|---|---|
| Transitional flow rate Q2 | l/h | 80 | 128 | 201.6 | 320 | 512 | 800 |
| Min flow rate Q1 | l/h | 50 | 80 | 126 | 200 | 320 | 500 |
* Version on request cold water only
| Size | DN (in) | 15 (1/2″) | 20 (3/4”) | 25 (1”) | 32 (1”1/4) | 40 (1”1/2) | 50 (2”) |
|---|---|---|---|---|---|---|---|
| L | mm | 145- 165- 190 | 190 | 260 | 260 | 300 | 300 |
| I | mm | 225- 245- 270 | 288 | 360 | 380 | 440 | 460 |
| H | mm | 109 | 111 | 117 | 117 | 153 | 172 |
| B | mm | 100 | 100 | 104 | 104 | 126 | 160 |
| D* | in | 3/4” | 1” | 1”1/4 | 1”1/2 | 2” | 2”1/2 |
| Weight | Kg | 1.18 1.41 | 1.40 | 2.09 | 2.18 | 4.38 | 4.46 9.40 |
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