Production introduction
Double Motor Drive Foam Pump Proportioning System
Balanced Foam Proportioning Equipment is a critical component of modern fire foam systems, designed to ensure accurate and consistent mixing of foam concentrate with water under varying flow and pressure conditions. This equipment plays a vital role in delivering effective fire suppression solutions, particularly in high-hazard industrial, marine, and fixed installations where precise foam proportioning is essential for controlling and extinguishing fires involving flammable liquids or combustible materials.
Description
Working Pressure
Ratio
Flow Rate Range
Key Components and Functionality
Proportioning Device (Ratio Controller):
- The core of the system, the proportioning device, is typically a modified venturi or precision orifice-based controller that mixes foam concentrate with water at a predetermined ratio (e.g., 1%, 3%, or 6%).
- It operates automatically, adjusting the foam induction rate based on water flow to maintain consistent foam quality.
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Pressure-Balancing Mechanism:
- A diaphragm valve or pressure regulator ensures that the pressure of the foam concentrate matches the water supply pressure at the inlet of the proportioner.
- This balance prevents over- or under-proportioning, even when water pressure fluctuates due to changes in demand or system conditions.
Foam Concentrate Pump:
- A positive displacement pump (e.g., gear, plunger, or diaphragm pump) pressurizes the foam concentrate from an atmospheric storage tank and delivers it to the proportioning device.
- The pump maintains a steady flow rate, ensuring reliable foam supply regardless of variations in water pressure.
Control and Monitoring System:
- Duplex pressure gauges display the pressures of both water and foam concentrate, allowing operators to verify system balance.
- Advanced systems may include electronic controllers with real-time monitoring, alarms, and automatic adjustments to optimize foam proportioning.
Sensing Lines and Valves:
- Sensing lines transmit pressure signals from the water and foam lines to the balancing valve, enabling automatic adjustments.
- Control valves regulate the flow of foam concentrate and ensure proper system operation.
Skid-Mounted or Modular Design:
- The equipment is often pre-assembled on a structural steel base for easy installation, relocation, and integration with existing fire protection infrastructure.
- Modular designs allow for customization based on specific application requirements.
Products parameters
| Model Number | Size of Proportioner (mm) |
W.Pressure |
Flow Rate Range |
| PHP48 | DN100 |
0.8-1.2 Mpa |
12~48 LPS |
| PHP64 | DN150 | 0.8-1.2 Mpa | 12~64 LPS |
| PHP80 | DN150 | 0.8-1.2 Mpa | 26~80 LPS |
| PHP100 | DN150 | 0.8-1.2 Mpa | 24~100 LPS |
| PHP120 | DN200 | 0.8-1.2 Mpa | 30~120 LPS |
| PHP160 | DN200 | 0.8-1.2 Mpa | 36-160 LPS |
| PHP260 | DN200 | 0.8-1.2 Mpa | 60-260 LPS |