Longteng Machinery, a professional manufacturer of slurry pumps
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PRODUCTSOur flawless production capacity, high-quality product performance and professional pre-sale and after-sale service have won Longteng the unanimous recognition from domestic and foreign customers. Also thanks to the trust and recognition of our customers from dozens of countries and regions, we are becoming one of the most important slurry pump suppliers in China.
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ABOUT USShijiazhuang Longteng Machinery Co., Ltd. is a high-tech enterprise integrating research & development, design, production and sales of slurry pumps with more than 20 years of mature experience. On the basis of introducing and absorbing advanced foreign technologies, our factory has formed a product system with perfect performance and wide coverage, among which SH SM SHH SL SG SGH and SV series products are especially widely used, and through their practical application in metallurgy, mining, power plant, chemical industry, etc., it has been verified that these series of products have the features of reasonable product structure, stable operation, high efficiency, energy saving, long service life, etc., which can perfectly replace Warman AH M HH L G GH SP series products.
SF Froth Pump
SF froth pump is a vertical flotation pump designed for handling air-entrained frothy slurry in mineral processing applications.
Key word:
Slurry Pumps,Gravel Sand Pumps
Category:
SF Pump
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Products detail
detail
SF froth pump is a vertical centrifugal pump designed for handling air-entrained frothy slurries generated in flotation processes. It is widely used in mining, metallurgy, coal processing, and mineral separation industries.
Compared with standard slurry pumps, the SF series is specially designed to improve slurry handling efficiency when dealing with low-density, high-air-content froth, ensuring stable and continuous transportation in flotation circuits.
The pump can also operate under insufficient feed conditions, making it suitable for unstable flotation process environments.
The SF froth pump is designed with a simple and efficient vertical structure:
- Bearing assembly with SP/SPR/PNL compatibility
- Motor base for direct or indirect drive operation
- Adjustable speed via pulley system
- Steel or rubber-lined hopper structure
- Tangential inlet design to reduce air content in slurry
- Overflow return system for process stability
- Split casing pump head design
This structure improves froth handling and reduces air blockage issues.
Designed for flotation froth slurry transport
Stable operation under air-entrained conditions
Flexible drive system (speed adjustment available)
Wear-resistant wet-end components (high chrome alloy)
Tangential inlet reduces froth turbulence
Suitable for unstable feed conditions
Easy installation and maintenance
SF froth pump is widely used in:
Mineral flotation processes
Base metal concentrators
Phosphate and apatite processing
Coal washing plants
Chemical and industrial slurry handling
Calcium carbonate processing systems
 | 1.Cover plate |
| 2.Volute liner | |
| 3.Frame plate | |
| 4.Spiral front liner | |
| 5.Feeding box | |
| 6.Overflow | |
| 7.Bearing assembly | |
| 8.Feeding inlet | |
| 9.Impeller | |
| Note: this is the basic drawing of structure. There would be some differences up to varied discharge size. |
| Pump Model | Allowable Max. Power (kw) | Material | Clear Water Performance | Diameter | ||||
| Capacity Q | Head H(m) | Speed n(r/min) | Max.Eff. η% | Suction (mm) | Discharge (mm) | |||
| Impeller | m3/h | |||||||
| SF/50QV | 15 | Metal (A05) | 7.6-42.8 | 6-29.5 | 800-1800 | 45 | 100 | 50 |
| SF/75QV | 18.5 | 23-77.4 | 5-28 | 700-1500 | 55 | 150 | 75 | |
| SF/100RV | 37 | 33-187.2 | 5-28 | 500-1050 | 55 | 150 | 100 | |
| SF/150SV | 75 | 80-393 | 5-25 | 250-680 | 55 | 200 | 150 | |
| SF/200SV | 110 | 126-575 | 5.5-25.5 | 350-650 | 55 | 250 | 200 | |
When selecting SF froth pump:
- Consider froth density and air content
- Evaluate flotation process stability
- Match pump size with concentrator capacity
- Choose drive type based on operating flexibility
Q1: What is a froth pump used for?
It is used for transporting air-entrained slurry in flotation processes.
Q2: Can it handle unstable feed conditions?
Yes, it is designed for variable and low-density slurry conditions.
Q3: What industries use SF froth pumps?
Mining, mineral processing, coal washing, and chemical industries.
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