Production introduction
The foinbo® Electric Motor Balanced Foam Proportioner brings precision foam mixing to industrial fire safety, built around a reliable electric motor drive for consistent performance. It draws foam concentrate from atmospheric storage tanks and injects it into the water main at a steady 3–3.9% ratio, using a balanced pressure valve to adjust automatically to water flow changes. Rated for 1.2MPa working pressure, it supports mixed liquid flow rates from 8–250 L/S across PHP32 to PHP250 models, adapting to facilities of all sizes with ease.
This unit stands out for its corrosion-resistant build and straightforward operation. A stainless steel gear pump handles foam concentrate, resisting damage from various agents including protein, fluoroprotein, and aqueous film-forming foams. The bladderless foam tank allows easy maintenance and mid-operation refills, making it suitable for extended emergency response. With automatic/manual control modes and pressure relief valves, it maintains stable working pressure throughout the process, ensuring reliable foam delivery to downstream devices like generators, guns, and monitors. Standard DN100–DN300 flanged connections simplify integration into new or existing fire protection networks.
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
- Petrochemical Storage Facilities: In oil depots and refineries, the proportioner delivers consistent foam-water mixtures to suppress large-scale flammable liquid fires, adapting to variable flow demands across extensive tank farms.
- Manufacturing Plants with Flammable Materials: For factories handling solvents, lubricants, and combustible liquids, it provides targeted foam suppression, integrating seamlessly with on-site fire safety systems to cover production and storage zones.
- Commercial Logistics & Warehousing: In large-scale distribution centers storing flammable goods, the unit supports multiple foam devices simultaneously, delivering stable foam supply across expansive areas.
Products Description




FAQ
Q: How does the balanced pressure valve ensure accurate mixing ratios?
A: The valve dynamically adjusts foam concentrate flow to match water line pressure, maintaining a stable 3–3.9% mixing ratio even when water flow fluctuates during fire suppression.
Q: What foam concentrate types is this proportioner compatible with?
A: It works with protein, fluoroprotein, aqueous film-forming (AFFF), and alcohol-resistant (AR-AFFF) foams, making it suitable for diverse fire hazards.
Q: Can foam concentrate be refilled while the unit is in operation?
A: Yes, the bladderless atmospheric foam tank allows refilling concentrate mid-operation, supporting extended emergency response for large-scale fire events.
Q: What flow rate ranges and connection sizes are available?
A: Models span PHP32 (DN100, 8–32 L/S) to PHP250 (DN300, 8–250 L/S), all rated for 1.2MPa working pressure to suit different facility sizes.
Q: What control modes does the electric motor proportioner support?
A: It offers both automatic and manual control modes, allowing flexible operation during routine checks and emergency scenarios.

