Plunger Metering Pumps
OBL Topline L API675 Plunger Process Metering Pump
OBL Topline L API675 plunger process pumps: ~0.2–5500 L/h (tables to ~6800 L/h on LP158), site pressure up to 500 barg. LY/LK/LP frames. Full-motion positive return; ±1% steady-state accuracy.
Max flow
approx. 0.2 – 5500 L/h (single head; LP158 up to approx. 6800 L/h)
Max pressure
to 500 barg / 7252 psi; type depends on model 6–150 bar
Turndown / accuracy
steady-state ±1% (10–100%)
Wetted materials
—
Protection
—
Power
—
Features
- API675 + ATEX compliant
- Full-motion positive return
- LY/LK/LP frames micro to high flow
- High-pressure TS (site to 500 bar)
- Micrometric knob; optional actuators
Specifications
| Flow range | approx. 0.2 – 5500 L/h (single head; LP158 up to approx. 6800 L/h) |
| Max pressure | to 500 barg / 7252 psi; type depends on model 6–150 bar |
| Drive | API675 plunger metering pump |
| Accuracy | steady-state ±1% (10–100%) |
| Brand | OBL Topline（Alfa Valvole） |
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 | |
| LYC 006 | 0.72 L/h | 150 bar | |
| LY 006 | 1.85 L/h | 150 bar | |
| LY 010 | 7.6 L/h | 100 bar | |
| LY 015 | 17 L/h | 100 bar | |
| LY 020 | 33 L/h | 80 bar | |
| LY 030 | 75 L/h | 40 bar | |
| LY 040 | 130 L/h | 22 bar | |
| LY 050 | 210 L/h | 14 bar | |
| LY 065 | 350 L/h | 9 bar | |
| LK 020 | 58 L/h | 100 bar | |
| LK 030 | 135 L/h | 70 bar | |
| LK 040 | 250 L/h | 40 bar | |
| LK 050 | 400 L/h | 25 bar | |
| LK 065 | 665 L/h | 15 bar | |
| LK 080 | 1000 L/h | 10 bar | |
| LK 100 | 1567 L/h | 6 bar | |
| LP 040 | 525 L/h | 90 bar | |
| LP 050 | 812.5 L/h | 60 bar | |
| LP 065 | 1375 L/h | 38 bar | |
| LP 080 | 2062 L/h | 25 bar | |
| LP 100 | 3375 L/h | 15 bar | |
| LP 120 | 4750 L/h | 10 bar | |
| LP 158 | 6800 L/h | 6 bar |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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