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A perfect pour depends on the balance between CO₂, temperature, and the system. Even small variations can cause excessive foam or a flat drink, so adjusting the pressure regulator and balancing the system are crucial.
he regulator transforms the high pressure of the cylinder, up to approximately 200 bar, into a stable pressure suitable for dispensing.
It is equipped with two pressure gauges:
The low-pressure adjustment is the key parameter that determines the quality of carbonation.
CO₂ dissolves best in cold liquids. The ideal range is between 2°C and 4°C.
At these temperatures, CO₂ remains more stable in the liquid, reducing foam formation during dispensing and resulting in finer, more uniform carbonation. As the temperature increases, CO₂ is released more rapidly, causing instability in the dispensing process.
The pressure must be adapted to the type of product and the system conditions.
In a refrigerated system at 2°C-4°C, a value of around 2.5 bar is often a good starting point for stable carbonation and consistent results in the glass.
Pressure alone is not enough — the entire system must be balanced.
The main factors are line diameter, line length, and maintaining a constant liquid temperature.
The standard configuration of the FELOM system includes 4 mm tubing, a length of 1 meter, a temperature between 2 and 4°C, and a pressure of around 2.5 bar.
This balance allows for controlled flow and reduces CO₂ loss during dispensing.
The high-pressure gauge indicates the CO₂ present in the cylinder.
The pressure remains nearly stable as long as liquid CO₂ is present and drops rapidly as the cylinder runs low.
The low-pressure gauge is the most important for beverage quality, as it indicates the actual working pressure within the dispensing system.
An unbalanced system leads to inconsistent results even with correct settings
CO₂, controlled temperature, and a balanced system result in a perfect beverage. When these elements are in equilibrium, carbonation remains stable from the system to the glass.
CO₂ regulation is a crucial factor in the final quality of the beverage. A well-designed and balanced system allows for consistent, clean, and professional dispensing.
The FELOM system is designed to maintain this balance simply and reliably, even in compact setups.
