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Anita Wypchlo-Zsirai
Product Manager

Series 50-200 Evaporator

The Wallace & Tiernan® Systems 50-200 Evaporator is an electrically heated immersed tank-type heat exchanger.

The evaporator is used whenever the rate of unaided gas withdrawal from multiple containers is not fast enough to keep up with requirements.



  • Disinfection in large municipal or industrial water plants
  • Chlorination of municipal sewage
  • Disinfection of municipal and industrial wastewater
  • Bleaching and waste treatment in pulp and paper mills 
  •  Aluminum fluxing (removal of magnesium)
  • Treatment of cooling water in power plant

 Key BEnefits

  • Reliable, automatic operation
  • Easy to install
  • Shipped completely assembled
  • Nema┬« 4 control panel with fused disconnect switch
  • Automatic pressure relief of gas outlet and liquid inlet included as complete pre-wiring of all electrical components
  • Conforms to ASME code and Chlorine Institute recommendations
  • External water heater to the water bath to eliminate possible hot spots
  • Standard gas and temperature gauges, high and low alarm switches for temperature and low water level
  • The pressure cylinder and water bath tank are cathodically protected against corrosion

 Technical Data

ChemicalMaximum Capacity lb/day
Chlorine6,000, 8,000 and 10,000
Sulfur Dioxide4,500, 6,000, and 7,500
Ammonia1,260, 1,680 and 2,100 Series 50-200 Evaporator