
Plunger Dosing Pump (PL series)
- Flow
- 0 to 9,161 L/hr (PL 10 to PL 75)
- Max pressure
- 169 to 366 bar(g)
- Sealing
- Gland packing, PTFE
- Material
- SS304/304L, SS316/316L, Hastelloy B/C, Alloy 20, carbon steel
Used for: High-pressure chemical injection: boiler feed dosing, oil and gas, petrochemical, viscous and concentrated chemicals.
Key specifications
| Flow | 0 to 9,161 L/hr (PL 10 to PL 75) |
| Max pressure | 169 to 366 bar(g) |
| Sealing | Gland packing, PTFE |
| Material | SS304/304L, SS316/316L, Hastelloy B/C, Alloy 20, carbon steel |
Used for: High-pressure chemical injection: boiler feed dosing, oil and gas, petrochemical, viscous and concentrated chemicals.
PL series models
| Model | Flow (L/hr) | Max pressure (bar g) |
|---|---|---|
| PL 10 | 0-196 | 169 |
| PL 20 | 0-1,169 | 264 |
| PL 35 | 0-4,275 | 222 |
| PL 50 | 0-6,107 | 275 |
| PL 60 | 0-7,329 | 366 |
| PL 75 | 0-9,161 | 366 |
Figures from the Positive Metering product page.
Notes
- Flow rate is proportional to stroke length
- Optional gland flushing arrangement
- Options: multiple heads on one motor, jacketed head, automatic flow via 4-20 mA signal
- Accessories: strainer, pressure relief valve, calibration pot, pulsation dampener, auto stroke actuator, local control panel, level gauge


















