
Mechanical Diaphragm Pumps
Grundfos DMX Mechanical Diaphragm Dosing Pump
Diaphragm metering pump with external motor. Robust mechanical drive; site range up to ~2000 L/h / ~12 bar by model.
Max flow
approx. 4 – 2000 L/h (model dependent)
Max pressure
max. approx. 12 bar (model dependent)
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
—
Features
- Mechanical diaphragm, external motor
- Single/duplex options (extended range)
- Adjustable stroke length
- PP/PVC/PVDF/SS heads
- Industrial robust design
Specifications
| Flow range | approx. 4 – 2000 L/h (model dependent) |
| Pressure range | max. approx. 12 bar (model dependent) |
| Liquid temp | -10 .. 70 °C |
| Brand | Grundfos Grundfos |
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 options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Flow | Pressure | |
| DMX 4-10 | 4 L/h | 10 bar | |
| DMX 8-10 | 8 L/h | 10 bar | |
| DMX 14-10 | 14 L/h | 10 bar | |
| DMX 16-12 | 16 L/h | 12 bar | |
| DMX 16-10 | 16 L/h | 10 bar | |
| DMX 27-12 | 27 L/h | 12 bar | |
| DMX 27-10 | 27 L/h | 10 bar | |
| DMX 35-10 | 35 L/h | 10 bar | |
| DMX 50-10 | 50 L/h | 10 bar | |
| DMX 52-8 | 52 L/h | 8 bar | |
| DMX 75-4 | 75 L/h | 4 bar | |
| DMX 82-5 | 82 L/h | 5 bar | |
| DMX 100-8 | 100 L/h | 8 bar | |
| DMX 115-3 | 115 L/h | 3 bar | |
| DMX 130-3 | 130 L/h | 3 bar | |
| DMX 132-10 | 132 L/h | 10 bar | |
| DMX 142-8 | 142 L/h | 8 bar | |
| DMX 160-5 | 160 L/h | 5 bar | |
| DMX 190-10 | 190 L/h | 10 bar | |
| DMX 199-8 | 199 L/h | 8 bar | |
| DMX 224-5 | 224 L/h | 5 bar | |
| DMX 255-3 | 255 L/h | 3 bar | |
| DMX 280-8 | 280 L/h | 8 bar | |
| DMX 321-6 | 321 L/h | 6 bar | |
| DMX 380-3 | 380 L/h | 3 bar | |
| DMX 460-6 | 460 L/h | 6 bar | |
| DMX 525-3 | 525 L/h | 3 bar | |
| DMX 765-3 | 765 L/h | 3 bar | |
| DMX 860-5 | 860 L/h | 5 bar | |
| DMX 1120-5 | 1120 L/h | 5 bar | |
| DMX 1520-3 | 1520 L/h | 3 bar | |
| DMX 2000-3 | 2000 L/h | 3 bar |
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.