Custom Unitank

Paul Mueller Company has designed and crafted cellar equipment for over 50 years, and our customers’ needs have given us many opportunities to advance our designs and strengthen our expertise throughout the building process.

A unitank combines the process features of a fermenter and a bright tank in one vessel, providing a flexible addition to your cellar capacity. With our engineered to order Unitanks, it is our goal to meet all your requirements, from custom process connections to unique geometry to accomodate space constraints. We specialize in meeting your specific brewery requirements.


  • ASME Code pressure ratings
  • SIP temperature ratings
  • Custom geometry to fit your process & space
  • Custom cooling designs with zoned control
  • Insulation designed for your installation and process
  • Fully welded stainless steel outer sheathing
  • Outdoor design with security & weather protections
  • Ladder and catwalk systems
  • Under-jacket glycol piping

Finish Options:

  • # 4 Polished Interior Finish
  • # 4 Polished Exterior Finish
  • Electropolished Interior

Tank Trim:

  • Pressure & Vacuum Relief Valves
  • Static, Rotary, or Impingement Cleaning Devices
  • Process & Sample Valves
  • Pressure & Temperature Transmitters and Gauges
  • Top Plates
  • Carbonation Stones

Support Options:

  • Leg Mount with:
    • Adjustable Base Plates
    • Base Plate Tank Jack
    • Fixed Base Plates
  • Skirt Mount
  • Roof Mount
  • Side Lug Mount

Specifications and Sizing

Work with our innovative engineers to create a unitank that is perfect for you and your brewery. At Paul Mueller Company we collaborate with you to insure that your new unitank will meet all your needs. We are confident that we will be able to make a high quality product that you will love.


Finding the right brewing equipment that fits within your budget can be daunting. At Paul Mueller Company, we understand your needs. That’s why we offer Leasing options on equipment at just about every stage of brewing, giving you more flexibility.

Tell us more about your needs.

Our Brewing Partners

Whether we are building a duplicate production facility for a heritage beer label or helping a small community craft brewery positively affect the economy, we are proud to work with these outstanding beer brands as they grow their business.