The **FB type corrosion-resistant pump** is a single-stage, single-suction, cantilevered centrifugal pump designed to handle corrosive liquids and solid particles. It incorporates advanced hydraulic models, innovative structures, and high-strength combined single or double mechanical seals, ensuring high efficiency, energy savings, compact design, stable performance, and reliable operation. The FB corrosion-resistant pump is suitable for transporting media with temperatures ranging from -20°C to 105°C, while the double-seal cold device can operate between -20°C and +280°C. The pump’s inlet pressure must not exceed 0.2 MPa. Widely used in industries such as petrochemicals, environmental protection, brewing, chemical processing, synthetic fibers, pharmaceuticals, food production, metallurgy, and wastewater treatment, it also serves industrial and mining enterprises, as well as urban water supply and drainage systems.
The pump rotates clockwise when viewed from the suction port to the motor end. It is mounted on a shared base with the motor using a flexible coupling. The shaft sealing system uses impeller decompression and either a single or double mechanical seal. The bearing housing is filled with J30 lubricating oil and equipped with an oil level indicator.
### Model Meaning of FB and AFB Corrosion-Resistant Pumps
Example: **100FB-37A**
- **100**: Pump suction diameter (mm)
- **F**: Single-suction, single-stage, cantilevered corrosion-resistant centrifugal pump
- **B**: Pump casing and flow parts are made of stainless steel 1Cr18Ni9Ti
- **37**: Design point head (m)
- **A**: Impeller outer diameter cut multiple times
### Structure of FB and AFB Corrosion-Resistant Pumps
The pump is designed for easy maintenance and long service life. Its structure ensures efficient operation even under harsh conditions. The mechanical seals are designed to prevent leakage and maintain performance over time. The bearings are lubricated with high-quality oil, ensuring smooth operation and reducing wear. The pump's compact design allows for easy installation in various industrial settings.
### Performance Table of FB Corrosion-Resistant Pumps
| Model | Flow (m³/h) | Flow (L/s) | Head (m) | Speed (r/min) | Efficiency (%) | NPSH (m) | Power (kW) |
|-------------|-------------|------------|----------|---------------|----------------|----------|------------|
| 25FB-16 | 3.6 | 1 | 16 | 2900 | 35 | 4 | 0.75 |
| 25FB-25 | 3.6 | 1 | 25 | 2900 | 30 | 4 | 1.5 |
| 25FB-40 | 3.6 | 1 | 40 | 2900 | 25 | 4 | 2.2 |
| 40FB-16 | 7.2 | 2 | 16 | 2900 | 50 | 4 | 2.2 |
| 40FB-20 | 7.2 | 2 | 20 | 2900 | 45 | 4 | 2.2 |
| 40FB-25 | 7.2 | 2 | 25 | 2900 | 40 | 4 | 3 |
| 40FB-40 | 7.2 | 2 | 40 | 2900 | 35 | 4 | 3 |
| 50FB-16 | 14.4 | 4 | 16 | 2900 | 62 | 3.5 | 3 |
| 50FB-25 | 14.4 | 4 | 25 | 2900 | 54 | 3.5 | 4 |
| 50FB-40 | 14.4 | 4 | 40 | 2900 | 40 | 3.5 | 5.5 |
| 65FB-25 | 28.8 | 8 | 25 | 2900 | 63 | 3.5 | 5.5 |
| 65FB-30 | 28.8 | 8 | 30 | 2900 | 60 | 3.5 | 7.5 |
| 65FB-40 | 28.8 | 8 | 40 | 2900 | 58 | 3.5 | 7.5 |
| 80FB-25 | 54.4 | 15 | 16 | 2900 | 70 | 3 | 5.5 |
| 80FB-30 | 54.4 | 15 | 25 | 2900 | 68 | 3 | 7.5 |
| 80FB-40 | 54.4 | 15 | 40 | 2900 | 66 | 3 | 15 |
| 100FB-25 | 100.8 | 28 | 25 | 2900 | 75 | 3 | 15 |
| 100FB-40 | 100.8 | 28 | 40 | 2900 | 70 | 3 | 22 |
| 100FB-65 | 100.8 | 28 | 64 | 2900 | 65 | 3 | 40 |
| 150FB-25 | 190 | 53 | 25 | 2900 | 80 | 2.35 | 22 |
| 150FB-40 | 190 | 53 | 40 | 2900 | 75 | 2.35 | 40 |
This table provides detailed specifications for various models of the FB corrosion-resistant pump, helping users select the most appropriate model based on their specific application requirements. Each model is optimized for different flow rates, head pressures, and power consumption levels, making it suitable for a wide range of industrial and commercial applications.
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