Lubi Centrifugal Fire Pump, specifically the LHMF/LFM series, is a submersible, single-stage centrifugal fire pump designed for high-pressure fire protection systems. These pumps are widely used in fire hose reels, fire hydrant networks, and automatic sprinkler systems for industrial, residential, and commercial properties.
Thanks to its stainless steel reversible cover and mechanical shaft sealing system, the Lubi fire pump ensures maximum durability, minimal water ingress into the motor, and long service life—even under extreme conditions.
⚙️ Key Specifications
| Feature | Specification |
|---|---|
| Flow Rate (Debi) | Variable by model |
| Head (Max Pressure) | Up to 90 meters |
| Power Consumption | 3-phase, 11.0 to 75.0 kW |
| Speed Range | 2900 rpm |
| Design Type | Submersible, Single-Stage |
| Seal Type | Mechanical Shaft Seal |
| Construction Material | Stainless Steel Cover |
| Applications | Fire hydrants, hose reels, sprinkler systems |
🌀 How Lubi Centrifugal Fire Pumps Work
Centrifugal pumps work by using a rotating impeller to transfer energy from the motor to the fluid. In this case, the LHMF/LFM fire pump draws water through the center (suction eye) and uses the impeller blades to accelerate the fluid outward into a spiral casing. This spiral-shaped housing (volute casing) increases the pressure and directs the fluid into the fire protection piping system.
- The propeller blades expand outward from the center, reducing flow speed while increasing pressure.
- The impeller’s design enables continuous high-pressure flow, which is critical in emergency firefighting.
- A mechanical seal prevents water from leaking into the motor, ensuring long-lasting performance and safety.
🛠️ Design Features & Advantages
✅ Submersible Design
The motor is fully immersed in water, providing silent operation, cooling efficiency, and space-saving installation.
✅ Single-Stage Operation
Designed for high-speed performance with minimal complexity, ensuring quick response times and ease of maintenance.
✅ Mechanical Shaft Seal
The mechanical seal ensures zero leakage and protects the motor from water damage, making the pump suitable for long-term use in harsh environments.
✅ Stainless Steel Reversible Cover
Offers corrosion resistance, durability, and adaptability to different temperature ranges, ensuring a longer life span and high reliability.
✅ Versatile Applications
From fire hydrant systems to automatic sprinkler installations, Lubi centrifugal fire pumps are suitable for various firefighting setups across industries.
🌐 Common Applications of LHMF/LFM Lubi Fire Pumps
Lubi centrifugal fire pumps are ideal for:
- Commercial buildings (malls, hotels, hospitals, office complexes)
- Industrial facilities (factories, warehouses, chemical plants)
- Public infrastructure (schools, airports, train stations)
- High-risk zones (fuel depots, gas storage, power plants)
Their ability to provide continuous, high-pressure water delivery makes them essential in fire-prone environments.
📌 Important Installation Note
Before activating the pump, it’s crucial to prime the pump by eliminating any trapped air or gas. Proper ventilation ensures full water intake and protects the internal components. Neglecting this step may reduce performance or cause system damage.
✅ Conclusion
The Lubi LHMF/LFM Centrifugal Fire Pump stands out as a high-efficiency, reliable, and low-maintenance fire pump solution. Whether you need a submersible fire pump for a new building project or a replacement for an existing hydrant system, Lubi offers proven performance with modern engineering.
