Hanna BL Series Dosing Pumps
- Positive displacement solenoid drive
- Fiber‑reinforced polypropylene housing
- IP65 environmental protection rating
- One‑piece PTFE diaphragm
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Description
The Hanna BL Series Dosing Pumps, part of the renowned BlackStone product family, offer superior accuracy compared to standard chemical dosing pumps thanks to their positive displacement design. This engineering innovation ensures each pump stroke is identical to the one before and after, thereby guaranteeing a consistent and precise flow rate. Such performance consistency is critical in industries where dosing exact quantities of chemicals can significantly affect product quality, safety, and operational efficiency. With multiple dosing capacities available across the BL Series, ranging from high‑volume operations to ultra‑precise low‑flow systems, every model serves a specialized need while maintaining the same commitment to accurate delivery. The BL Series is a proven solution for process control environments that demand reliability and minimal deviation in dosing volumes.
Meeting Evolving Demands Of Modern Process Industries
Built to respond to the ever-changing demands of industrial environments, Hanna BL Series pumps feature a versatile design suitable for various mounting configurations, whether horizontal or vertical. Each unit comes equipped with both discharge and suction valves, enabling reliable operation even under challenging process conditions. This adaptability makes them ideal for integration into complex manufacturing setups, chemical treatment lines, water purification facilities, and laboratory dosing processes. Their small footprint and robust design fit neatly into constrained plant layouts, while a straightforward installation process reduces downtime during integration or replacement. As industries upgrade and expand their systems, the BL Series continues to provide a dependable dosing platform ready to meet modern expectations.
Superior Chemical Resistance For Aggressive Applications
Chemical compatibility is a core strength of the BL Series. Engineered from premium materials such as PVDF, PTFE, and fiber‑reinforced polypropylene, these pumps resist corrosion and degradation even when exposed to aggressive chemicals. The diaphragm is made from one‑piece PTFE construction, providing durability far beyond conventional laminated diaphragms. This material selection ensures long‑term operational stability in environments where acids, oxidizers, or chemically reactive solutions are handled daily. The chemical resistance extends to internal seals and valve components, meaning the pumps are built from the ground up to thrive in hostile environments where material failure could result in costly downtime. Inclusion of the comprehensive chemical resistance guide further assures operators that the BL Series is compatible with an extensive range of substances.
Low Maintenance Solenoid Drive Design Advantage
One of the key operational advantages of the Hanna BL Series is its positive displacement solenoid drive mechanism, using a minimal number of moving parts. Unlike motor‑driven pumps with ball bearings, cam shafts, and gear drives requiring constant lubrication and prone to wear, solenoid‑driven pumps eliminate these maintenance burdens. The result is extended service intervals, reduced mechanical failures, and a lower lifetime cost of ownership. The sealed assembly protects internal components from environmental exposure, and the IP65 protection rating ensures resistance to splashes and spills. This makes the BL Series ideal for systems where dust, moisture, or chemical mist are commonplace, offering peace of mind in maintaining operational continuity.
Applications Across Multiple Industrial And Scientific Fields
The versatility of the BL Series manifests in its wide application spectrum. In water treatment plants, these pumps dose chlorine or other disinfectants with accuracy critical to public health. In food and beverage manufacturing, they enable precise additions of flavorants, preservatives, and cleaning agents while maintaining compliance with hygiene standards. Laboratories and research facilities use the BL Series for reagent dosing in experiments where precision impacts research validity. Pharmaceutical production lines employ them to meter ingredients or sterilizing solutions, ensuring batch uniformity. In the metal finishing industry, they control plating bath chemistry, and in agriculture, they dose fertilizers and pesticides for optimal crop impact. This flexibility ensures that regardless of industry, the Hanna BL Series offers a tailored solution to dosing challenges.
Rugged Design For Harsh Operating Environments
Housed in fiber‑reinforced polypropylene, the BL pumps are engineered to withstand mechanical impact and exposure to harsh industrial surroundings. This rugged design is crucial in sectors such as mining, oil and gas, or chemical manufacturing, where environmental conditions would quickly degrade lesser pumps. The sealed construction not only protects the internal mechanism from chemical ingress but also boosts mechanical strength, allowing the units to maintain operational stability under vibration, temperature fluctuations, and continuous use. Such durability directly translates into reduced downtime, fewer replacements, and improved productivity, even in facilities operating under continuous 24/7 schedules.
Wide Model Range For Diverse Pressure Needs
The BL Series includes multiple diaphragm sizes and capacities, giving operators the ability to match pump output with specific operational requirements. Models with large diaphragms, such as the BL20, BL15, BL10, and BL7, deliver outputs from 18.3 lph down to 7.6 lph across pressures between 0.5 and 3 bar. Smaller diaphragm models, including BL5, BL3, and BL1.5, handle pressures reaching up to 13 bar with lower flow rates ideal for high‑pressure precision dosing. This diversity allows facilities to leverage the same product line for entirely different process specifications, streamlining procurement, training, and maintenance procedures while ensuring consistency in build quality and spare parts availability.
Global Availability With Guaranteed Authentic Quality
When sourcing Hanna BL Series Dosing Pumps, tpt24.com stands as the world’s leading online store, delivering these products to any country with full assurance of authenticity and superior quality. This platform not only facilitates easy, secure ordering but also provides global delivery capabilities backed by warranty coverage. Customers purchasing through tpt24.com are guaranteed genuine Hanna products, with technical support and after‑sales service that mirror the premium reputation of the BL Series itself. Whether outfitting a single laboratory station or scaling up to equip an entire production facility, tpt24.com ensures the BL Series arrives ready to perform at its highest standard from day one.
Specifications
| Model | Max Output | Rated Pressure | Diaphragm Size |
|---|---|---|---|
| BL20 | 18.3 lph (4.8 gph) | 0.5 bar (7.4 psi) | Large |
| BL15 | 15.2 lph (4.0 gph) | 1 bar (14.5 psi) | Large |
| BL10 | 10.8 lph (2.9 gph) | 3 bar (43.5 psi) | Large |
| BL7 | 7.6 lph (2.0 gph) | 3 bar (43.5 psi) | Large |
| BL5 | 5.0 lph (1.3 gph) | 7 bar (101.5 psi) | Small |
| BL3 | 2.9 lph (0.8 gph) | 8 bar (116 psi) | Small |
| BL1.5 | 1.5 lph (0.4 gph) | 13 bar (188.5 psi) | Small |








