Project: EVS Electric Pump Vacuum Press
This system uses an electric vacuum pump to generate vacuum pressure. A system like this is a bit heavy but it does not require an air compressor. A pump driven vacuum press also takes a bit longer to build but it's portable and can be adapted to many uses. It is especially useful and economical if you already own a vacuum pump and want to use it for vacuum pressing.

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Project: V2 - Venturi Based Model
(Using an air compressor)
This construction method uses 80 psi of compressed air to create vacuum via a venturi. When compressed air is forced through a conical nozzle, its velocity increases and as the air exits the nozzle, it expands, increasing in velocity further to supersonic speeds before entering the channel section. This channel creates a vacuum efficiently and economically. This version of the vacuum press requires a minimum of 5 gallon air compressor.

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Project: V2 Premium - Venturi Based Model
(Using an air compressor)
The Premium version of the Project: V2 vacuum press draws 5.5 CFM of vacuum and is ideal for extra-large vacuum bags or large curved projects. It is very similar to the regular V2 press but has several upgraded components including a very powerful venturi. This version of the vacuum press requires a minimum of 25 gallon air compressor that can produce 7.8 CM of air at 80 psi.

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