Mechanical Diaphragm Pumps
SEKO Kosmo MM2 Mechanical Diaphragm Pump
Motor-driven mechanical-return diaphragm pump (large mechanism). Flow 80–2300 L/h, max 10 bar. Variable eccentricity, oil-bath lubrication.
Max flow
80 – 2300 L/h
Max pressure
10 bar
Turndown / accuracy
—
Wetted materials
PVDF / PVC / SS316L · PTFE diaphragm
Protection
—
Power
—
Features
- Mechanical return + variable eccentricity; PTFE diaphragm direct drive
- Oil-bath lubrication with bearings
- Heads: PVDF / PVC / SS316L
- Motors: standard / VFD / Ex / Ex+VFD
- Base mount; 80–2300 L/h
Specifications
| Flow | 80 – 2300 L/h |
| Max pressure | 10 bar |
| Motor power | 0.55 – 1.1 kW |
| Wetted parts | PVDF / PVC / SS316L · PTFE diaphragm |
| Mounting | base mounting |
| Brand | SEKO |
Applications
Materials & media
| Wetted parts | PVDF / PVC / SS316L · PTFE diaphragm |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Flow | Pressure | SPM | Power | Weight | Tube | Notes | |
| MM2F124D | 80 L/h | 10 bar | 43 | 0.55 kW/4P | 56 kg | G3/4 / DN20 | diaphragm Ø124 mm · stroke 7 mm | |
| MM2F124E | 180 L/h | 10 bar | 86 | 0.55 kW/4P | 56 kg | G3/4 / DN20 | diaphragm Ø124 mm · stroke 7 mm | |
| MM2F124F | 250 L/h | 10 bar | 131 | 0.55 kW/4P | 56 kg | G3/4 / DN20 | diaphragm Ø124 mm · stroke 7 mm | |
| MM2F124G | 350 L/h | 10 bar | 175 | 0.55 kW/4P | 56 kg | G3/4 / DN20 | diaphragm Ø124 mm · stroke 7 mm | |
| MM2G124G | 450 L/h | 10 bar | 175 | 0.55 kW/4P | 56 kg | G3/4 / DN20 | diaphragm Ø124 mm · stroke 8 mm | |
| MM2F140G | 500 L/h | 7 bar | 175 | 0.55 kW/4P | 60 kg | G1 / DN25 | diaphragm Ø140 mm · stroke 7 mm | |
| MM2G140G | 600 L/h | 7 bar | 175 | 0.55 kW/4P | 60 kg | G1 / DN25 | diaphragm Ø140 mm · stroke 8 mm | |
| MM2H157F | 720 L/h | 7 bar | 131 | 0.55 kW/4P | 60 kg | G1 / DN25 | diaphragm Ø157 mm · stroke 9 mm | |
| MM2H157G | 1000 L/h | 7 bar | 175 | 0.55 kW/4P | 60 kg | G1 / DN25 | diaphragm Ø157 mm · stroke 9 mm | |
| MM2H179G | 1200 L/h | 4 bar | 175 | 0.75 kW/4P | 68 kg | G1½ / DN40 | diaphragm Ø179 mm · stroke 9 mm | |
| MM2I179F | 1600 L/h | 4 bar | 131 | 0.75 kW/4P | 68 kg | G1½ / DN40 | diaphragm Ø179 mm · stroke 15 mm | |
| MM2I179G | 2300 L/h | 4 bar | 175 | 1.1 kW/4P | 68 kg | G1½ / DN40 | diaphragm Ø179 mm · stroke 15 mm |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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