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Posted by bobby7388 on March 02, 2005 at 19:48:08:
In Reply to: Re: Commercial Boiler Headers posted by Tony Conner on February 22, 2005 at 13:28:51:
: Can you point out what piping code (and what section) addresses this? I think you're talking about somebody's internal spec's for piping, as opposed to a specif code reference. ASME piping codes don't typically apply to low pressure applications, unless there's a nasty fluid service involved - like flammable or toxic.
: In any event, very few contractor's or plant in-house maintenance shops will have the equipment to thread pipe over 6". Ridgid makes their model 161 threading head, which does 4" thru 6" pipe. If somebody has the rig to thread over 6" (other than a large lathe), my guess it's old-old-old.
It's in the NYS boiler code, seeing that I don't have a code book available at this time you'll have to take my word as gospel.
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