Magnetic-drive side-channel peripheral impeller pumps
MARCH magnetic-drive peripheral impeller pumps of the MTA series are machined from stainless steel 1.4404. A large number of turbine-shaped guide vanes generate a comparatively high delivery pressure at low flow rates. The pumps of the MTA series are built in a side-channel design, so that gas fractions in the medium of max. 20 vol-% can be pumped along without causing dry-running damage. Magnetic-drive pumps work entirely without a mechanical shaft seal. Power is transmitted without contact and with a positive fit to the hydraulic part by strong permanent magnets.
MARCH magnetic-drive peripheral impeller pumps are suitable for the leak-free pumping of aggressive, environmentally hazardous and toxic liquids, especially when small flow rates have to be pumped to large geodetic heads. The magnetic coupling ensures absolute hermetic tightness of the pump. The pumps are built as standard in a compact close-coupled design. The modular system allows the individual parts to be exchanged quickly without special tools. Only European IEC standard motors to DIN/EN 60034 and VDE 0530 are fitted as drives. All pumps of the MT series are available with pipe threads or flange connections. For trouble-free pump operation, the operating limits must be observed, in particular the minimum flow rate and the required inlet head (NPSH, req.).
Technical data
| Series MTA | Qmin [m3/h] | Qmax [m3/h] | Hmin [mWs] | Hmax [mWs] | Speed [rpm] | Materials |
|---|---|---|---|---|---|---|
| MTA 25 | 0,16 | 1,8 | 0 | 25 | 2900 | metallic |
| MTA 37 | 0,25 | 2,8 | 0 | 35 | 2900 | metallic |
| MTA 49 | 0,4 | 4,2 | 0 | 62 | 2900 | metallic |
| MTA 55 | 0,4 | 4,7 | 5 | 77 | 2900 | metallic |
| MTA 78 | 1,3 | 6,5 | 5 | 62 | 2900 | metallic |
| MTA 1011 | 1,3 | 10 | 6,7 | 97 | 2900 | metallic |
| MTA 2020 | 2,5 | 17 | 30 | 174 | 2900 | metallic |
| System pressure: | PN 16 to PN 250 bar | |
| Temperature: | -100 °C to +315 °C | |
| Density: | max. 1,8 kg/dm³ | |
| Viscosity: | max. 200 cP | |
Connections
| Pump type | Internal pipe thread | Flange |
| MTA 25 | G 1/2″ | DN 15 |
| MTA 37 | G 3/4″ | DN 20 |
| MTA 49 | G 1″ | DN 25 |
| MTA 55 | G 1″ | DN 25 |
| MTA 78 | G 1″ | DN 25 |
| MTA 1011 | G 1″ | DN 25 |
| MTA 2020 | G 1 1/2″ | DN 40 |
Applications
The main applications of the pumps in these series are:
- Low-temperature applications
- Refrigerants
- High-temperature / high-pressure applications
- Liquefied gases
- Pharmaceutical and biotechnology
- Pressure boosting pumps
- Wastewater treatment
- Reverse osmosis
