Vacuum Degasser System

In modern HVAC Systems, including Hydronic Heating and Chilled Water Systems, the Vacuum Degasser System plays a pivotal role. Its primary function is to remove gases dissolved or entrained in the circulating fluids-e.g., eutrophication, oxygen, nitrogen, or carbon dioxide from the circulating fluid, which is usually water or water-glycol mixtures. The gases prevent system operation, cause corrosion, and shorten the life of the system components.

How It Works

The fluid is drawn from the circulation system into the vacuum chamber where the pressure is maintained at a highly reduced level. At this reduced pressure level, the solubility of gases in the fluid reduces to a magnitude where the gases find absorption in the liquid. They are evacuated through an automatic air vent, while the degassed fluid passes silently back into the circulation loop.

Key Benefits

Corrosion Control: Metallic HVAC components such as boilers, heat exchangers, and pumps get corroded due to oxygen. So vacuum degassing removes the dissolved oxygen in water to prevent internal rusting and deterioration.
Efficiency: Air pockets and gas bubbles intervene in normal water flow and prevent efficient heat transfer; the degassed system allows stable working of fluid circulation and energy maximization.
Noise Reduction: Air bubbles trapped inside radiators, pipes, and pumps create noises of gurgling and banging; vacuum degassing does away with all that noise.
Maintenance: This system runs with fewer operational problems-monitoring downtime and cost of maintenance, besides prolonging the lifespan of the components.

Uses

Vacuum Degassing technology is employed in:

Commercial and Industrial HVAC Systems
District Heating and Cooling Networks
High-Rise Residential Buildings
Mission Critical Facilities for Hospitals, Data Centers, and Laboratories

Working Advantages over Conventional Air Separating Systems

Unlike standard air separators that utilize air buoyancy, high-point elevation, and venting in its purification of free air, vacuum degassers remove free and dissolved gases throughout the system. Hence, such units work particularly well in closed-loop and sealed systems where natural venting is limited or not even possible.

Conclusion

A Vacuum Degasser System is well worth a place in any high-performance HVAC setup. Eliminating gases within the hydronic loop facilitates the surrounding medium transferring heat, thereby providing reliability and reducing noise. Long-term operational costs also go down considerably because of such gas elimination.

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