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Steam Driven Vapour Absorption Machine

Thermax steam-driven VAMs are available in single effect and double effect modes. In steam-driven chillers, the source of heat is saturated steam at pressures in the range of 0.5 Kg/cm2 to 10 Kg/cm2.

 

Single Effect Steam Driven Machine

In the single effect machine, the gain in concentration of the absorbent is achieved in single step, i.e., it has only one generator.

 

Operating Range

  • Capacities: From 50 to 2000 TR
  • Steam pressure: From 0.6 to 3.5 Kg/cm² (g)
  • Chilled water temperature: Up to 3.5ºC (0ºC for brine)
  • Heat source: Steam

 

Double Effect Steam Driven Machine

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 used to fire a secondary generator (referred as Low Temperature Generator or LTG).

 

Operating Range

  • Capacities: From 51 to 2000 TR
  • Steam pressure: From 4.0 to 10.0 Kg/cm² (g)
  • Chilled water temperature: Up to 3.5ºC (0ºC for brine)
  • Heat source: Steam