Steam Fire Chillers

Thermax offers a range of steam driven Vapour Absorption Machines driven by saturated steam pressure at 0.1 kg/cm2 to 26 kg/cm2. Steam driven VAMs are categorised as Single effect, Double effect and Triple effect depending on the heat source temperature. The source of heat for steam driven VAMs can be:
  • Steam from boiler
  • Steam from processes
  • Steam from cogeneration plants
  • Steam from turbines
Many industries like Food & Beverages, Paper & Pulp, Pharma, Steel, Dairy, Refinery & Petrochemical, Fertilizers, Textiles, commercial and many more have benefitted from steam driven VAMs.
Single effect steam driven machine is one of the oldest and most established absorption machines, driven by low grade energy and consuming minimum power. In single effect technology, the gain in concentration of the absorbent is achieved using only one generator.
Operating Range
  • Capacities: 350 to 7650 kW
  • Chilled water temperature: Up to 1ºC and -2ºC with brine
  • Steam pressure: From 0 to 3.5 bar g
  • COP: 0.7 – 0.75
  • Heat source: Steam from boiler, Steam from processes, Steam from cogeneration plants, Steam from turbines

Double effect steam driven absorption machines are one of the most efficient cooling solutions for industrial applications. In the double effect machines, the gain in concentration is achieved in two steps. The primary generator (referred as High Temperature Generator or HTG) produces vapour, whose latent heat is transferred to lithium bromide in secondary generator (referred as Low Temperature Generator or LTG).

Thermax double effect absorption chillers are designed based on its proven Advanced Series Flow technology. This ensures that the highest concentration and highest temperature of Lithium Bromide solution doesn’t occur simultaneously. Due to this the rate of corrosion is negligible compared to the para flow or reverse flow technologies.

Operating Range
  • Capacities: From 50 TR to 3500 TR Cooling capacity (175 – 12300kW)
  • Chilled water temperature: Up to 1ºC and -2ºC with brine
  • Steam pressure: From 3.0 to 10.0 bar g
  • COP: 1.45– 1.5
  • Heat source: Steam
  • ΔT 30° C