Engineered for accurate, reliable, long-term dosing performance.
The Blackline series is OBL’s most trusted family of metering pumps, designed for industrial environments that demand stability, precision, and durability. Each model is built with robust materials, simple maintenance architecture, and stroke-adjustment controls that ensure a consistent and repeatable chemical feed.
Perfect for water treatment, chemical processing, agriculture, and any application where dependable dosing is essential.
Key strengths
- Reliable industrial performance — Blackline pumps are built to operate continuously in demanding conditions, maintaining stable dosing even under fluctuating temperatures, pressures, or fluid characteristics.
- Precision dosing control — Stroke-length adjustment and efficient mechanical design guarantee repeatable and accurate flow rates, helping protect process quality and regulatory compliance.
- Low maintenance, long lifetime — The mechanical layout minimizes wear points and makes maintenance fast and intuitive, reducing downtime and extending pump life.
- Multiple models for every application — Choose the configuration that best aligns with your pressure range, fluid type, and system requirements.
Why choose Blackline?
- Designed for continuous-duty industrial processes
- Compatible with a wide range of chemicals
- Proven long-term reliability in global installations
- Simplified maintenance that reduces downtime
- Backed by OBL’s engineering expertise and service support
Applications
Suitable for remote pump management across:
- Industrial Water Treatment
