Mechanical Diaphragm Pumps
SEKO Spring MSA Mechanical Diaphragm Metering Pump
Newest Spring member with dual-cam spring return and PPS housing. Flow 10–120 L/h, max 5 bar.
Max flow
10 – 120 L/h
Max pressure
5 bar
Turndown / accuracy
—
Wetted materials
PVC / SS316L · PTFE diaphragm
Protection
—
Power
—
Features
- Dual-cam mechanism, quiet and stable
- PPS housing: chemical & heat resistant
- Manual stroke adjustment
- 0.06 kW motor; 3ph or 1ph
Specifications
| Flow | 10 – 120 L/h |
| Max pressure | 5 bar |
| Motor power | 0.06 kW |
| Wetted parts | PVC / SS316L · PTFE diaphragm |
| Housing | PPS |
| Brand | SEKO |
Applications
Materials & media
| Wetted parts | 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 | |
| MSAF070P | 10 L/h | 5 bar | 30 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 4 mm | |
| MSAF070O | 20 L/h | 5 bar | 50 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 4 mm | |
| MSAF070N | 40 L/h | 5 bar | 100 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 4 mm | |
| MSAF070M | 60 L/h | 5 bar | 150 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 4 mm | |
| MSAF070R | 90 L/h | 5 bar | 166 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 5 mm | |
| MSAH070R | 120 L/h | 3 bar | 166 | 0.06 kW/4P | 11/8 kg | 8×12 / 3/8" GF / DN15 | diaphragm Ø70 mm · stroke 7 mm |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Related / accessories
Mechanical Diaphragm Pumps
Edose (Yi Dao Ci) Series Mechanical Diaphragm Metering Pump
Mechanical Diaphragm Pumps
NDJ Series Mechanical Diaphragm Metering Pump
Mechanical Diaphragm Pumps
SEKO Kosmo MM1 Mechanical Diaphragm Pump
Mechanical Diaphragm Pumps
NDWS Series Mechanical Diaphragm Metering Pump
Mechanical Diaphragm Pumps
KD Series Mechanical Diaphragm Metering Pump (Cheon-Sei / KEMPION)
Mechanical Diaphragm Pumps
HND Series Mechanical Diaphragm Metering Pump
Related solutions
Power Plant Boiler Water
Ammonia, hydrazine and phosphate dosing with sampling monitoring to prevent corrosion and scaling.
Industrial Cooling Water
Scale & corrosion inhibitor dosing for power and metallurgy cooling systems with online pH/conductivity monitoring.
Municipal Wastewater Dosing
Integrated dosing systems combining metering pumps and online water quality monitoring for coagulation, disinfection and dephosphorization.
Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.