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- Taifu 4STM Deep Well Pump Taifu 4STM Deep Well Pump
- Description
- Reviews
The Taifu 4STM Deep Well Pump is a 4-inch submersible borehole pump designed for clean water supply from wells and reservoirs. Engineered for domestic, civil, and industrial applications, this pump series operates at 2900 rpm and is built for reliable performance under continuous operation.
Key Benefits
- Designed for clean, chemically neutral water close to water characteristics
- IP68 protection class for full submersible operation
- F-class insulation for enhanced motor durability
- Brass outlet for corrosion resistance
- Thermoplastic PPO impeller and diffuser with integrated non-return valve
Product Overview
The Taifu 4STM series deep well pump is suitable for transferring clean water free from solid or abrasive substances. It supports single-phase (170V–240V / 50Hz) and three-phase (350V–415V / 50Hz) configurations, with a maximum working pressure of 3.5 bar.
With a fluid temperature range of 0°C to 40°C and permissible ambient temperature up to 50°C, the 4STM pump series is designed for well water extraction, irrigation systems, and long-distance water delivery.
Ideal Applications
- Water supply from wells and reservoirs
- Domestic water systems
- Civil and industrial water applications
- Garden irrigation and agricultural use
Technical Specifications – General Working Conditions
| Speed | 2900 rpm |
| Fluid Temperature Range | 0°C – 40°C |
| Max Working Pressure | 3.5 bar |
| Max Ambient Temperature | 50°C |
| Voltage – Single Phase | 170V – 240V / 50Hz |
| Voltage – Three Phase | 350V – 415V / 50Hz |
| Protection Class | IP68 |
| Insulation Class | F |
| Outlet Material | Brass |
| Impeller / Diffuser Material | Thermoplastic resin PPO |
Technical Specifications – Models
| 4STM2-15 / 4ST2-15 |
Power: 0.75 kW (1 HP) Outlet: 1.25" |
| 4STM2-21 / 4ST2-21 |
Power: 1.1 kW (1.5 HP) Outlet: 1.25" |
| 4STM2-28 / 4ST3-28 |
Power: 1.5 kW (2 HP) Outlet: 1.25" |
| 4STM2-37 / 4ST2-37 |
Power: 2.2 kW (3 HP) Outlet: 1.25" |
Performance Data – 4STM2-15 (Head in meters)
| Flow (m³/h) | Head (m) |
| 0 | 105 |
| 0.3 | 104 |
| 0.6 | 103 |
| 0.9 | 101 |
| 1.2 | 98 |
| 1.5 | 94 |
| 1.8 | 88 |
| 2.1 | 82 |
| 2.4 | 74 |
| 2.7 | 65 |
| 3.0 | 55 |
| 3.3 | 45 |
Accessories
- Control switch
- Waterproof tape
Learn more about our Warranty Policy or contact us for professional assistance.