Why the Vacuum & pressure relief valve still needed with Bunging valve?
Many customers from Europe, especially from Germany prefer to use the Bunging valves for their fermenter. Because of the pressure limits from their government etc. Then they can adjust the tank pressure by themselves with Bunging valve.
But generally the Vacuum & pressure relief valve (also called safe valve) is still needed even with the adjustable bunging valve. Our standard valve with fixed pressure which will be the baseline for protecting your tanks. We all know the bunging valves are manual controlled, which may have some errors or mistakes happened sometimes. The safe valves can not only adjust the over pressure, also will help to avoid the negative pressure, or your fermentation tanks may be dented..