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40 12 00
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40 13 00
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40 16 00
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40 17 00
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40 18 00
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40 20 00
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40 30 00
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40 40 00
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40 60 00
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40 90 00
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Divisions >
40 00 00 Process Interconnections >
40 10 00 Gas and Vapor Process Piping and Ductwork >
40 18 00
Vacuum Systems Process Piping
Includes
piping for low and high vacuum systems for industrial processes. Definitions low vacuum: system operating pressures greater than or equal to 10 Torr. high vacuum: system operating pressures less than 10 Torr.
See
22 62 00 for vacuum systems for laboratory and healthcare facilities.
40 18 13
Low-Vacuum Systems Process Piping
40 18 23
Chlorine Gas Vacuum System Piping
40 18 53
High-Vacuum Systems Process Piping