Mash Tuns

What is a Mash Tun?

The mash tun is a key component of a brewhouse and is where grain, previously cracked in the grain mill, is combined with metered hot water to convert complex starches into more readily-fermentable simple sugars. The mash tun may stand alone or be combined with a lauter tun to create a mash tun/lauter tun combination.

Why Select a PKW Mash Tun?

Mash Tun-Lauter Tun Combination 3D

Portland Kettle Works’ mash tuns provide the brewer with several key advantages:

  • Field tested by some of America’s leading craft brewers
  • Our direct fire mash tuns maintain precise temperatures while our steam mash tuns are designed and engineered to allow precise step-mashing
  • Our proprietary mash agitator is designed to not only agitate grain within the mash tun, but also direct the flow against our highly efficient laser-welded steam jackets for optimum heat transfer
  • Integrated Clean in Place (CIP) systems allow rapid and convenient cleaning
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PKW Mash Tun Specifications

PKW Brewhouse Direct Fire (5-15 bbl) Spec Image

PKW Brewhouse Direct Fire (5 to 15 bbl) Spec Sheet

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PKW Brewhouse Steam (5-30 bbl) Spec Image

PKW Brewhouse Steam (5 to 30 bbl) Spec Sheet

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As with all our brewing equipment, Portland Kettle Works mash tuns are designed and manufactured to exacting standards:

  • Capacities available include:
    • bbl: 2, 3.5, 5, 7, 10, 15, 20, and 30
    • hL: 2.3, 4.1, 5.9, 8.2, 11.7, 17.6, 23.5, and 35.2
    • Other capacities available upon request
  • 100% 304 food-grade stainless steel
  • State-of-the-art, high-performance, trapezoidal V-wire false bottom
  • Proprietary steam-powered Valveless External Calandria (VEC) used to precisely maintain mash temperatures without heat stressing the grain bed
  • Insulated with 2”/5 cm of fire-rated fiber insulation
  • Labor-saving, side-mounted, grain-out manway
  • Fast and efficient clean-in-place (CIP) system installed
  • Integrated sparge assembly and vorlauf ports
  • Conical bottom with ultimate drain allows for complete wort capture
  • Top enclosure with optional flange for mounting rake and plough assembly
  • 4”/10 cm port installed and ready for addition of optional grist hydrator
  • Steel manway with optional glass door personalized with your brewery’s logo
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