Purging medium
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What media can be used for purging with octanol, DOP (octyl phthalate), and o-xylene?
Alcohols and esters are substances that dissolve in water, and cannot be used as a cleaning medium with steam； Materials that are prone to vaporization by heat must never be cleaned with steam. Safety when scanning lines is very important. Remember.
Nitrogen is generally a safer choice as a purging medium
According to the safety requirements of petrochemical operating procedures, nitrogen should be used for purging. For reference!
Use nitrogen! We’ve been using it for many years now~:) It’s something you already know how to do; there’s no need to spend time figuring out new methods.
Nitrogen purging or steam purging; steam purging is more convenient and economical
Purge with nitrogen. Of course, if the pipeline that needs to be purged is short, other inert gases can also be used; it’s mainly a matter of cost.
First, nitrogen is used; next, water can be used as a top-line agent, and then the area is cleaned with steam
Agree with the person above; generally, steam, nitrogen, and water are used.
Nitrogen – generally, using nitrogen doesn’t cause any problems.