BL Series Marine Horizontal Direct-Coupled Centrifugal Pump
Product Overview
The BL Series Marine Horizontal Direct-Coupled Centrifugal Pump is designed for efficient transportation of water and other liquids with physical and chemical properties similar to water. Engineered as an improved version of the classic BA-type pump, this horizontal unit features a compact design, reduced weight, simplified structure, and easy maintenance while maintaining identical performance parameters to traditional BA pumps. Equipped with a reliable mechanical seal, it handles fluid temperatures up to 100°C, making it ideal for various marine applications including bilge water pumping, main and auxiliary engine cooling water systems, firefighting systems, and general marine service water transfer.
Model Identification: 2BL(L)-6A
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2: Inlet diameter (inches)
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BL: Marine horizontal direct-coupled centrifugal pump
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L: Vertical configuration (when specified)
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6: Specific speed divided by 10
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A(B): First (or second) stage impeller trimming
Key Features & Benefits
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Direct-Coupled Design: Eliminates alignment issues, reduces maintenance, and ensures efficient power transmission
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Marine-Grade Materials: Silicon brass impeller and stainless steel shaft for superior corrosion resistance in seawater environments
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Compact & Lightweight: Space-saving horizontal configuration ideal for engine room installations
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Mechanical Seal Construction: Ensures leak-free operation with fluids up to 100°C
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BA Pump Performance: Delivers proven hydraulic performance with modern reliability improvements
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Multi-Application Versatility: Suitable for bilge pumping, cooling systems, fire protection, and general marine service
Technical Specifications
*Performance at 50Hz/2900 RPM & 60Hz/3500 RPM:*
| Model | Capacity (m³/h) | Head (m) | Motor Power (kW) | Efficiency (%) | NPSHr (m) |
|---|---|---|---|---|---|
| 1½BL-6 | 6-14 | 20.3-14 | 1.5 | 44-55.5 | 6.6-6 |
| 2BL-6 | 10-30 | 34.5-24 | 4 | 50.6-64 | 8.7-5.7 |
| 3BL-6 | 30-70 | 62-44.5 | 15 | 54.4-66.3 | 7.7-4.7 |
| 4BL-12 | 65-120 | 37.7-28 | 15 | 72-78 | 6.7-3.3 |
The description/sizes may be different with goods, please check with us when order.
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