Production introduction
Built for industrial fire safety, the foinbo® PHP Balanced Foam Proportioning System delivers reliable, accurate foam mixing for flammable liquid and hydrocarbon fires across high-risk facilities. Powered by dual independent electric and diesel drive systems, it keeps operations steady even during power outages or grid failures. Using a balanced pressure proportioning mechanism, it draws foam concentrate from atmospheric tanks and injects it into the water main at a stable 3–3.9% mixing ratio, matching water pressure in real time to maintain consistency. With models ranging from PHP32 to PHP250, and flow rates spanning 8–250 L/S at 1.2 MPa working pressure, it adapts seamlessly to small to large-scale setups, from compact warehouses to sprawling petrochemical complexes.
Each unit is engineered for durability and ease of integration. The balanced pressure valve eliminates manual adjustments, cutting the risk of human error and ensuring the foam-water mixture stays uniform regardless of fluctuating water flow. The parallel power setup lets the diesel engine take over instantly if the electric motor fails, ensuring foam supply never stops. Modular construction allows straightforward installation into existing fire protection networks, while the heavy-duty build stands up to corrosive atmospheres, extreme temperatures, and constant use.
Products Parameters
| Model | Inlet/Outlet Diameter | Working Pressure (MPa) | Rated Foam Solution Flow (L/S) | Foam Solution Flow Range (L/S) | Proportioning Ratio (%) |
|---|---|---|---|---|---|
| PHP32 | DN100 | 1.2 | 32 | 8~32 | 3~3.9 |
| PHP48 | DN150 | 1.2 | 48 | 8~48 | 3~3.9 |
| PHP66 | DN150 | 1.2 | 66 | 8~66 | 3~3.9 |
| PHP80 | DN200 | 1.2 | 80 | 8~80 | 3~3.9 |
| PHP100 | DN200 | 1.2 | 100 | 8~100 | 3~3.9 |
| PHP120 | DN200 | 1.2 | 120 | 8~120 | 3~3.9 |
| PHP135 | DN200 | 1.2 | 135 | 8~135 | 3~3.9 |
| PHP160 | DN200 | 1.2 | 160 | 8~160 | 3~3.9 |
| PHP200 | DN250 | 1.2 | 200 | 8~200 | 3~3.9 |
| PHP250 | DN300 | 1.2 | 250 | 8~250 | 3~3.9 |
Application Scenarios Detail
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Petrochemical Refineries & Tank Farms: In oil storage yards and processing plants, the system delivers consistent foam-water mixtures to suppress large-scale hydrocarbon fires. Its dual-power design ensures uninterrupted operation during power cuts, protecting high-value assets from flammable liquid blazes.
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Airports & Aircraft Hangars: For aviation fuel storage and hangar facilities, the unit provides reliable foam suppression for jet fuel and aircraft fires. The diesel backup guarantees function even during power failures, meeting strict airport safety requirements.
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Industrial Warehouses & Logistics Hubs: In large-scale distribution centers storing flammable goods, the system supports multiple foam devices simultaneously, covering expansive areas with stable foam supply and mixing ratios.
Products Description




FAQ
Q: How does the balanced pressure mechanism maintain a steady mixing ratio?
A: The balancing valve equalizes foam concentrate pressure with water line pressure in real time, keeping the 3–3.9% mixing ratio consistent even when water flow fluctuates.
Q: What happens if the electric motor fails during operation?
A: The integrated diesel engine backup activates automatically, taking over foam pump operation to ensure continuous foam supply to downstream devices.
Q: What flow and connection options are available in the PHP series?
A: Models range from PHP32 (DN100, 8–32 L/S) to PHP250 (DN300, 8–250 L/S), all rated at 1.2 MPa working pressure.
Q: Is this system compatible with different foam concentrate types?
A: Yes, it works with standard AFFF and AR-AFFF concentrates, making it suitable for various hydrocarbon and alcohol-resistant fire applications.
Q: What routine checks does the system require?
A: Regular testing of both electric and diesel drives, inspection of the balancing valve, and verification of foam concentrate levels ensure reliable performance during emergencies.

