Description
The PLAATO Valve – Pressure Drop Equalizing Valve
Connecting between your fermenter and airlock/or blow-off-tube, it equalises any negative pressure that might be present in the system, eliminating suck back.
FUNCTIONS
• Eliminates Suck-back
• Empty Airlock Protection
• Transfer protection
HOW IT WORKS
Many brewers experiences suddenly empty airlocks, or water flowing from the blow-off vessel to the fermenter.
This phenomena is due to temperature changes that in turn lead to negative pressure in the fermenter. This is seen the moment a fermenter is placed in a temperature controlled room after pitching of yeast, or during cold crash.
To offset this negative pressure, the fermenter will either suck in water from an airlock, or suck in air, or in some rare cases implode under the forces of this pressure.
In most cases air will be introduced in the fermenter in the hours before the fermentation starts, and during cold crash.
PLAATO Valve has an incorporated umbrella silicon valve that only opens if a negative pressure occurs, bypassing the airlock and hence eliminating suckback.
Especially developed for brewers
The PLAATO Valve is made out of FDA-approved food grade PP and has an incorporated umbrella silicon valve as working principle. It comes ready with optional 65PPI activated carbon filters for the inlet (16pcs), and fits most airlocks and fermenters.
Oxygen-free fermentation
As stated above, rapid changes in temperature will always introduce air, water or partial implosion in/to the fermenter. In order to obtain a non-oxidizing atmosphere, the headspace in the fermenter must therefore be flushed with CO2.
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