Chemistry diaphragm pump MZ 2C EX
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Performance features
- outstanding chemical resistance and superior vapor tolerance
- flame proof motor with integrated, self-locking overload and excess temperature protection for direct 230V / 50Hz single phase power supply. No need for any additional and specific overcurrent protection device
- overpressure safety relief valves internally and at outlet
- safety diaphragm technology with option for inert gas purge and detection of diaphragm breakage
MZ 2C EX
VACUUBRAND20696920ca. 251 mmca. 287 mmca. 21.6 kgca. 20696920 kgATEX chemistry diaphragm pumps offer all advantages of oil-free chemistry diaphragm pumps. Typical applications are rotary evaporators and drying ovens with potentially explosive atmospheres. The ATEX approval includes the interior of the pump (in contact with pumped gases) as well as the surrounding area of the pump. All wetted parts of the pumps have excellent chemical resistance and are mainly made of antistatic materials. Included in delivery is a separate gas ballast connection part for use of inert gas.
Technical data
| Technical data | Unit | MZ 2C EX |
|---|---|---|
| Number of heads / stages | 2 / 2 | |
| Max. pumping speed | m3/h | 1.9 |
| Max. pumping speed | cfm | 1.1 |
| Ultimate vacuum (abs.) | mbar/torr | 12 / 9 |
| Ultim. vac. (abs.) with gas ballast | mbar/torr | 18 / 13.5 |
| Integral leakage rate | mbar l/s | 0.1 |
| Ambient temperature range (operation) | °C | 10 - 40 |
| Ambient temperature range (storage) | °C | -10 - 60 |
| Max. media temperature | °C | 40 |
| Max. back pressure (abs.) | bar | 1.1 |
| Inlet connection | small flange KF DN 16 | |
| Outlet connection | small flange KF DN 16 | |
| Rated motor power | kW | 0.15 |
| Max. operating current | A | 1.2 |
| Max. starting current | A | 5.5 A / 125 ms |
| Rated speed | min-1 | 1500 |
| Protection class | IP 54 | |
| Dimensions (L x W x H), approx. | mm | 337 x 287 x 251 |
| Weight, approx. | kg | 21.6 |
| Noise level at 50 Hz, typ. | dBA | 50 |
| ATEX conformity | Pumping chamber (pumped gases): II 2G Ex h IIC T3 Gb X Environment with inert purge gas: II 2G Ex h IIB T4 Gb X Environment without inert purge gas: II 3G Ex h IIB T4 Gc X Motor: II 2G Ex db IIB T4 Gb | |
| Items supplied | Pump completely mounted, ready for use, with manual, 2 m cable without plug. | |
| Accessories | PTFE tubing KF DN 16 (1000 mm: 20686031) |
MZ 2C EX - Pumping speed graph at 50 Hz MZ 2C EX - Pump down graph at 50 Hz (100 l volume) |
MZ 2C EX - Dimension sheet |
-Technical data are subject to change without notice-
Ordering data
| Product name | Mains voltage and frequency | Plug | Order no. |
|---|---|---|---|
| MZ 2C EX | 230 V~ 50 Hz | Open wires | 20696920 |
Product comparison
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | |  |  | |||||||||||||
Chemistry diaphragm pumpMZ 2C EX | - | 12 | 18 | 1.9 | - |  | | - | - | - | - | - | - | - | - | - |
Chemistry diaphragm pumpMD 4C EX | - | 3 | 10 | 3.7 | - | | | - | - | - | - | - | - | - | - | - |
Chemistry diaphragm pumpMV 10C EX | - | 2 | 10 | 8.1 | - | | | - | - | - | - | - | - | - | - | - |
Chemistry diaphragm pumpMV 10C EX | MV 10C EX | 2 | 10 | 8.1 | - | | | - | | | - | - | - | - | - | - |
Chemistry vacuum systemMZ 2C EX | MZ 2C EX | 12 | 18 | 1.9 | - | | | - | | | - | - | - | - | - | - |
Chemistry vacuum systemMD 4C EX | MD 4C EX | 3 | 10 | 3.7 | - | | | - | | | - | - | - | - | - | - |
