Thermodrive Still

Paul Mueller Company's PyroPure thermodrive still is a steam-heated distillation system capable of producing high volumes of pyrogen-free water with specific resistance exceeding one megohm/cm. It works with a variety of feed-water sources including tap water, pretreated water, and condensed steam. The thermodrive still also economies space and delivers excellent potential for expansion.

If you are in need of steam distillation equipment for your pharmaceutical production system, the thermodrive still is an ideal device for laboratory use or where high quality water is required because of its low cost construction methods and simple control scheme.

Defining Features

  • 15–200 GPH capacities and purity levels from 300,000 ohms to 1 megohm at 25 degrees Celsius
  • Stainless steel is used for all pure water contact surfaces
  • Adaptable to a variety of feedwater conditions
  • Distillation setup is fast; produces distillate almost instantly
  • Modular, expandable design accommodates up to four evaporators


  • Condenser
  • Evaporator
  • Centri-cyclone centrifugal separator

Optional Features: 

  • Float feeder
  • Preheater
  • Condensate return system
  • Condensate feedback purifier
  • Puromatic diveter
  • High-purity chamber

Specifications and Sizing

Model TD-15 TD-50
Output Capacity 15 GPH 30 GPH 45 GPH 50 GPH 100 GPH 150 GPH 200 GPH
Utility Steam lb/hr (kg/hr) 123 (62) 276 (126) 414 (188) 460 (209) 920 (418) 1,380 (627) 1,849 (836)
Boiler Horsepower hp (kw) 4 (39) 8 (78) 12 (118) 13 (131) 27 (262) 40 (392) 52 (523)
Radiant Heat Loss Btu/hr (kcal/hr) 6,000 (1,512) 7,500 (1,890) 9,000 (2,268) 16,000 (2,268 18,000 (4,536) 20,000 (5,040) 22,000 (5,544)

Replacement Parts

Replacement parts for your Pure Steam Generator are available by calling our PyroPure parts specialists at 1-800-MUELLER ext. 9758 or +1 (417) 575-9758 or using the form below.

Mueller PyroPure service technicians are available for routine maintenance activities, system troubleshooting, or full overhauls. Contact the PyroPure service department at 1-800-MUELLER or using the form below.


Finding the right equipment that fits within your budget can be daunting. At Paul Mueller Company, we understand your needs. That’s why we offer Leasing options that give you more flexibility.

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