More and more brewers are preferring high level automated beer systems that will help save labor and facilitate operations. Brewers don’t need to go up and down the stairs to operate valves, etc. But they are also concerned about the risk of something going wrong with an automated system.
Personally, I tend to use a manual system. First of all, it is the most basic configuration, so it seems easier to understand even for a new brewer. If one knows more about the brewing process, one can simply open/close the valve. And manual valves won’t be a problem either.
As for the automatic system, we think more and more brewers prefer to use it in recent years. For example, customers in the US and Australia are asking for pneumatic valves in their systems to increase automation. We think the technology of pneumatic valve is more mature than before, and it has been tested many times before delivery. It can be said to be stable.
However, compared to manual valves, pneumatic valves still have the risk of errors due to the presence of electrical components in them. Just like a telephone, if one component goes wrong, it may affect the operation of the whole system.
But in our practical experience, it works, and it runs well and operates reasonably well. (We have a beer system in our own brewery, which is equipped with pneumatic valves).