M-6: Vacuum really does suck

A. LEWIS (1); (1) Paul Mueller Co., Springfield, MO, U.S.A.

Thursday, June 5 - 4:00 p.m.-5:45 p.m.
Level 4, Grand Ballroom

Vacuum conditions can quickly develop in brewing vessels, and the result of these conditions is all too frequently expensive damage to equipment. Often times the damaged equipment reduces plant capacity, is difficult or impossible to repair, and is stressful to the brewers involved in the failure. The good news is that vacuum failures are avoidable. In this presentation some of the most common causes of vacuum failure, how vacuum failures can be prevented, and some practical considerations related to the maintenance of vacuum relief valves will be reviewed.

Ashton Lewis is the staff master brewer and brewery market manager for the Paul Mueller Company. Ashton joined Mueller in 1997 as part of their brewery equipment group and the master brewer at the Springfield Brewing Company, a showcase brewery established by Mueller in 1997. He is still the master brewer at the Springfield Brewing Company and one of the partners in the business following its sale by Mueller in 2011. Ashton holds a B.S. degree in food science from Virginia Tech (1991) and an M.S. degree in food/brewing science from UC Davis (1994). For the last 19 years he has worked for Brew Your Own Magazine as technical editor and columnist. Ashton enjoys scuba diving and bicycling in his spare time.

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