ThisÂ 3-way vacuum valve is employed on systems to aid in backfilling, headflow flow or mixing gases and requires a vacuum pump of some sort. These valves allow flow of two different gasses and control over amount of gasses that are flowing via the valve. These valves are heavily used in labs all over the world and in most industries. The three way allows one to pull vacuum from two different places or can allow a controlled gas stream to two different places, or can allow two different gas streams to be put into one system in varying ratios via the open and close valves.
Note: This piece is required to use the high capacity bubbler for nitrogen/inert gasÂ backfilling
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