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The DOSSER GMA Series diaphragm pump offers precise chemical dosing with ±2% accuracy, supporting flow rates up to 1200 L/h and pressures up to 12 bar. Ideal for corrosive or viscous fluids in demanding industrial environments.
The GMA Series is designed for heavy-duty chemical metering applications. Featuring a PTFE diaphragm driven by a mechanical system, the pump provides accurate and adjustable flow (0–100%) even during operation. It includes an oil-lubricated gear drive for extended service life and supports multiple head material options such as PVC, PVDF, SS304, and SS316 to handle various chemicals safely.
| Model | Capacity (LPH) | Max. Pressure (Bar) | Pump Speed (min-1) | Diaphragm (mm) | Stroke Length (mm) | Connection Size (mm) | Power (KW) |
|---|---|---|---|---|---|---|---|
| GMA 2/12 | 2~9 | 12 | 36 | 63/36 | 1.2 | DN8 | 220/380V 0.37kW 1400rpm 50/60Hz IP55/F |
| GMA 5/12 | 5 | 72 | |||||
| GMA 10/12 | 10 | 144 | |||||
| GMA 25/12 | 25 | 72 | 82/45 | 4 | DN15 | ||
| GMA 50/12 | 50 | 144 | |||||
| GMA 90/10 | 90 | 1.0 | 72 | 6 | |||
| GMA 120/7 | 120 | 0.7 | 72 | 110/70 | 8 | ||
| GMA 170/7 | 170 | 144 | 6 | ||||
| GMA 240/7 | 240~500 | 144 | 8 | DN25 | |||
| GMA 315/5 | 315 | 0.5 | 144 | 8 | 0.55kW | ||
| GMA 400/5 | 400 | 144 | 110/80 | 10 | |||
| GMA 500/5 | 500 | 180 |
