Stainless steel pneumatic valve because of its small size, the advantages of convenient operation which is widely used, and that you know how stainless steel pneumatic valve in winter antifreeze?
1.
First you need to put the materials in the piping and equipment clean, and to stainless steel pneumatic valve well thermal insulation, if there is steam, it is best to be a steam trace pipe
2.
If you don't use the winter, the pneumatic valve is removed, put clean, the fluid in the piping material for later use.
3.
If you are not allowed to remove, suggest the lowest point of the pneumatic valve do heat preservation processing.
4.
If allowed, can add antifreeze in the liquid.
5.
Clean up if you don't drive, first of all, pneumatic valve, secondly, it is best to point of oil, or to anti-freeze on pneumatic valve open area, there is no dim conditions to do so.
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Put the pipe material, best with nitrogen purging clean again, put off pneumatic valve, it should be no problem.