Air-operated double diaphragm pumps
The air-operated double diaphragm pumps of the MARCH MASTER AIR series have an uncomplicated, extremely reliable and dead-centre-free air control valve. The casing parts, diaphragms, valve seats and balls are made and fitted from high-quality materials. Double diaphragm pumps are dry self-priming, dry-run safe and can pump liquids loaded with solids without problems. Even viscous or volatile liquids are no problem for the air-operated diaphragm pumps. Thanks to these properties, the MARCH MASTER AIR series is among the most reliable air-operated double diaphragm pumps on the market.
*1 Please enquire about the different operating limits for the different series
Technical data
| Series MARCH MASTER AIR | DNS/D [inch BSP] | Qmax [m3/h] | ΔPmin [bar] | ΔPmax [bar] | Air consumption max [m3/min] | Material |
|---|---|---|---|---|---|---|
| MMA 515 | 1/2″ or 3/4″ | 3,42 | 8,4 | 0,672 | PP / PVDF | |
| MMA 716A | 1/2″ or 3/4″ | 3,42 | 8,4 | 0,672 | Al | |
| MMA 716S | 1/2″ or 3/4″ | 3,42 | 8,4 | 0,672 | AISI304 / AISI316 | |
| MMA 1040P | 1″ | 9,42 | 8,4 | 1,7 | PP / PVDF | |
| MMA 1040A | 1″ | 9,42 | 8,4 | 1,7 | Al | |
| MMA 1040S | 1″ | 9,42 | 8,4 | 1,7 | AISI304 / AISI316 | |
| MMA 1590P | 1 1/2″ | 21,48 | 8,4 | 3,5 | PP / PVDF | |
| MMA 1590A | 1 1/2″ | 21,48 | 8,4 | 3,5 | Al | |
| MMA 1590S | 1 1/2″ | 21,48 | 8,4 | 3,5 | AISI304 / AISI316 | |
| MMA 2150P | 2″ | 35,22 | 8,4 | 4,9 | PP / PVDF | |
| MMA 2150A | 2″ | 35,22 | 8,4 | 4,9 | Al | |
| MMA 2150S | 2″ | 35,22 | 8,4 | 4,9 | AISI304 / AISI316 | |
| MMA 3300P | 3″ | 63,6 | 8,4 | 9,1 | PP / PVDF | |
| MMA 3300A | 3″ | 63,6 | 8,4 | 9,1 | Al | |
| MMA 3300S | 3″ | 63,6 | 8,4 | 9,1 | AISI304 / AISI316 |
Applications
- Drum or bulk unloading
- Transfer, circulation and feed systems
- On-demand bulk metering
- Chemical feed
- Dewatering, sump emptying
- Acids, alkalis, solvents, liquefied gases, polymers
- Abrasive and corrosive fluids
- Ceramic glaze/slip/slurries
- Adhesives
- Paints, varnishes
- Water, wastewater
- Waste oil
- Sludges, sewage sludge