Mechanical Diaphragm Pumps
ProMinent Sigma/2 Motor Diaphragm Metering Pump
Motor diaphragm pump. Basic 50–420 L/h, 16–4 bar; control S2Cb 61–353 L/h, 16–4 bar.
Max flow
50 – 420 L/h
Max pressure
16 – 4 bar
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
—
Features
- Multilayer safety diaphragm
- Basic 50–420 L/h, 16–4 bar
- Control S2Cb 61–353 L/h, 16–4 bar
- Smart networked control variants
Specifications
| Basic flow | 50 – 420 L/h |
| Basic pressure | 16 – 4 bar |
| Control S2Cb | 61 – 353 L/h, 16 – 4 bar |
| Brand | ProMinent |
| Series flow | 50 – 420 L/h |
| Pressure | 16 – 4 bar |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Control S2Cb | 61 – 353 L/h, 16 – 4 bar |
Models & specs
| Model | Flow | Pressure | SPM | Notes | |
| S2Ba 16050 | 47 L/h | 16 bar | 73 | 50 Hz | |
| S2Ba 16090 | 88 L/h | 16 bar | 132 | ||
| S2Ba 16130 | 124 L/h | 16 bar | 198 | ||
| S2Ba 07120 | 126 L/h | 7 bar | 73 | ||
| S2Ba 07220 | 220 L/h | 7 bar | 132 | ||
| S2Ba 04350 | 350 L/h | 4 bar | 198 |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.