Mechanical Diaphragm Pumps
OBL Blackline M Mechanical Diaphragm Metering Pump
OBL Blackline M mechanical diaphragm pumps: ~7–1500 L/h simplex, up to ~12 barg; multiplex up to 10 heads. Anodized aluminum casing, spring-return, manual stroke (optional electric actuator).
Max flow
7 – 1500 L/h (single head)
Max pressure
to 12 barg / 175 psi
Turndown / accuracy
—
Wetted materials
PP / PVDF / SS316L etc. combination
Protection
—
Power
—
Features
- Mechanical diaphragm for low/mid pressure
- 7–1500 L/h simplex, up to 12 bar
- Multiplex up to 10 heads
- PP/PVDF/SS316L liquid ends
- ATEX Zone 2/22 options
- Optional Blackline PRO remote electronic control
Specifications
| Flow range | 7 – 1500 L/h (single head) |
| Max pressure | to 12 barg / 175 psi |
| Drive | mechanical diaphragm (spring return) |
| Stroke control | manual; optional electric |
| Wetted materials | PP / PVDF / SS316L etc. combination |
| Brand | OBL Blackline（Alfa Valvole） |
Applications
Materials & media
| Wetted materials | PP / PVDF / SS316L etc. combination |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Stroke control | manual; optional electric |
Models & specs
| Model | Flow | Pressure | |
| M7 | 7 L/h | 12 bar | |
| M11 | 11 L/h | 12 bar | |
| M16 | 16 L/h | 12 bar | |
| M23 | 23 L/h | 12 bar | |
| M31 | 31 L/h | 12 bar | |
| M37 | 37 L/h | 10 bar | |
| M50 | 50 L/h | 10 bar | |
| M35 | 35 L/h | 10 bar | |
| M49 | 49 L/h | 10 bar | |
| M75 | 75 L/h | 10 bar | |
| M101 | 101 L/h | 10 bar | |
| M120 | 120 L/h | 10 bar | |
| M155 | 155 L/h | 10 bar | |
| M102 | 100 L/h | 8 bar | |
| M131 | 132 L/h | 8 bar | |
| M201 | 197 L/h | 7 bar | |
| M261 | 260 L/h | 7 bar | |
| M321 | 320 L/h | 6 bar | |
| M421 | 420 L/h | 6 bar | |
| M150 | 150 L/h | 5 bar | |
| M190 | 200 L/h | 5 bar | |
| M301 | 300 L/h | 5 bar | |
| M431 | 435 L/h | 5 bar | |
| M521 | 520 L/h | 4 bar | |
| M660 | 660 L/h | 3.5 bar | |
| M810 | 810 L/h | 5 bar | |
| M1070 | 1070 L/h | 5 bar | |
| M1260 | 1260 L/h | 5 bar | |
| M1500 | 1500 L/h | 5 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.