Hetero Pharmaceutical uses Vulcan to eliminate scaling from cooling tower evaporative condenser tubes

Hetero Pharmaceutical facilities have 35 cooling towers and before installing the Vulcan anti-scale device they experienced excessive scaling outside of the evaporative condenser tubes.

Model: Vulcan S250 
Location: Telangana (India)
Installation Area:  Cooling tower evaporative condenser tubes

Hetero logoHetero is one of India’s leading generic pharmaceutical companies and is one of the world’s largest producer of anti-retroviral drugs for the treatment of HIV/AIDS. With more than  20 years of expertise in the pharmaceutical industry. Hetero’s strategic business areas include APIs, generics and bio-similars, and also offers custom pharmaceutical services to its partners around the world.



Hetero hard water mineral scaling problem
Without the Vulcan Anti-Scale System; Hetero Pharmaceutical cooling towers had mineral scale forming on the outside of the evaporative condenser tubes.

  • The campus has 35 cooling towers
  • Rust is cleaned every six months.
  • Uses descaling chemical Sulphomic acid.
  • Pumped with 2 kg pressure, 90 m³/h Main line pipe water is pumped with 3 kg pressure.
  • The inlet pipe size is 8 inch MS pipe
  • Water flow rate - 1,012 GPM water flow rate per hour
  • Pipe - Mild Steel pipe
  • Pipes in condensers are stainless steel pipe


Hetero Pharmaceutical contacts confirmed the electronic descaler to work as expected and found the device to be effective at managing their scale buildup.