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We have a remodel project with XL pipe and push fit fittings. When there is a leak in the fit fitting what product or method can be used to change the pipe to schedule 10 with grooved fittings? Can XL be grooved? Is a roustabout approved for XL? There is virtually no information on the internet regarding XL except for notable failures with the material. Thanks in advance. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
15 Comments
Pete H
7/27/2023 06:59:21 am
XL Can be grooved according to one guy on the eng-tips forum (and he seems to suggest it as he says threaded xl pipe has always caused problems). https://www.eng-tips.com/viewthread.cfm?qid=456367
Ricky B
7/27/2023 08:07:24 am
I have a copy of the original tech data sheet for Allied XL - let me know how to send it to you.
Moderator (Joe Meyer)
7/27/2023 08:10:29 am
If you'd like to post it - email me at [email protected] and I can post it at the bottom of the comments. If you'd like to only forward onto the original poster, email me and I can get it forwarded.
Edward
7/27/2023 08:37:36 am
Please post it. It would be good information for all!
Moderator
7/27/2023 09:09:42 am
Links are provided below the original question. Thanks!
Bill Harvey
7/27/2023 08:12:22 am
I'd appreciate it if you could send mr the cuts.
Glenn Berger
7/27/2023 08:38:55 am
Victaulic (and others) have "clamp-type" fittings that are perfect for your application.
Bill Harvey
7/27/2023 10:13:07 am
I thought so too but Victaulic informed me it isn't listed for fire protection
Vinnie
7/27/2023 08:39:12 am
In my experience (did a ton of service work replacing slip fittings & XL) you have to demo all the way back to the thread/groove connection. Once you put an in-air groover on the branch line and start moving things around up there you're going to cause leaks all over that branch line from those old slip fittings.
Dan Wilder
7/27/2023 08:43:13 am
Can it be grooved, yes, slowly assuming the pipe isn't already egg'd. Is a Vic 99 (or similar) push fitting allowed, also yes with the right end prep on the pipe BUT Sch 5 pipe, pending size, does not carry the minimum 175PSI pressure rating for 2½" and larger pipe (for Vic 99 anyways) so double check the working pressure of the fitting planned to be used.
Jesse
7/27/2023 09:05:01 am
To reiterate what Dan said and emphasize SLOWLY. We have had nothing but trouble with XL 7/27/2023 08:44:29 am
You way want to look at Viega MegaPRESS as they have variations of the fitting that are approved for fire sprinkler piping on SCH 5 to SCH40.
Daniel Cieslinski
7/28/2023 06:50:44 am
are these UL /FM approved
Dan Wilder
7/28/2023 07:58:15 am
MegaPress (Steel), yes. Both UL & FM pending fitting type and size.
Chris
7/31/2023 08:03:21 am
Are you sure it is XL pipe and not "poz-lock"? I would groove XL pipe without worry, but XL pipe was typically installed with threaded connections. But that poz-lock stuff was even thinner and used push together fittings, if it is that stuff you are SOL IMO. You'd have to demo back to the something you could groove or thread. Leave a Reply. |
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