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SWEEPLET vs WELDOLET

SWEEPLET vs WELDOLET

SWEEPLET vs WELDOLET

(OP)
When do you specify SWEEPLET?
I mean, what's the difference between SWEEPLET vs WELDOLET?

This is the theory I found so far.
With weldolets, you may have a lot of weld metal melted between header
and branch. A lot of weld metal causes distorsion of main pipe.
So you do not use weldolet, when the wall thickness of header
is thin. Instead you use sweepolet.

Am I right?

And please let me know where the electronic drawing is?

RE: SWEEPLET vs WELDOLET

sks-

In general, you'll use weldolets. They are often over-welded which could cause the header to distort. Just be sure to read up on how much weld is required and be sure the welder knows to not put more than specified.

I've never seen a sweepolet used. Simply put, they are rare in my industry (petroleum refining). Having said that, I wholeheartedly agree with the theory behind their design (doing a bit of related research at the moment). What I think you'll find is that a weldolet is available for $10 tomorrow where a sweepolet will cost you $100 and you can have one next month unless you want anything more exotic than SA-105 carbon steel. One final advantage of a sweepolet is that the weld can be RT'd if you have a big enough header.

Take a look at http://www.bonneyforge.com/OletCat.PDF around pages 25/26 for sweepolet info and page 35 of the catalog (34 in the .pdf) for welding of weldolets.

jt

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