11 brewery machinery, namely, mash vessels with steam and/or hot water heating zones, mash cookers, namely, internal boilers for use with mash preparation vessels or as external boilers; wort kettles with integrated heating zones, wort boilers, namely, internal boilers for use with treatment vessels, or as external boilers arranged for the heating and boiling of worts outside the treatment vessels; wort kettles containing a heating element for wort aeration; vapor compressors and condensers for the condensation of vapors discharged during the boiling of wort and mash in the mash vessels; brewhouse whirlpools; plate heat exchangers for wort cooling; wort pipes for the addition of yeast; ice water production machines; cooling pumps and heat pumps for breweries, malthouses, abattoirs, dairies, the chemical industry, cold stores, artificial ice skating rinks, swimming pools, ice makers, especially block ice makers and flake ice makers, champagne and wine cellars and distilleries; carbon dioxide condensation tanks; condensers, namely, air-cooled, evaporative and water-cooled condensers, also with water cooling tower; oil separators for cleaning and separating oil from water; shell and tube condensers; refrigerant-cooled tanks; evaporators and vertical tube evaporators for brine cooling; block ice makers; ice chutes; buffer tanks and equalizers, namely, short term storage tanks with heating and cooling elements, refrigeration tanks for cooling of air, liquid and solid substances, also with air coolers defrostable by hot gas; electric heat rods for warm brine; installations for tank jacket cooling, namely, pocket-shaped vessels on the tank jacket for holding a liquid or vaporous medium; cooling towers; lauter tun equipped with a filter bed for the separation of solids from a liquid