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What kind Pipe?

JM_2 Member Posts: 108
Should i use whae adding a "T" for a Flush valve on my steam return lines, "Black Pipe" or "Galvinized Steel" and why. These are the only options avail at my home center.



  • Jim Greco_2
    Jim Greco_2 Member Posts: 4

    Black pipe should be used since galvanized can flake into the steam system and react with the hi-temp steam causing clogs in the air valves. It usually flakes due to the expansion and contraction of the pipe during the steam cycle.

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