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Repair to pressurised pipe

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obewan
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Repair to pressurised pipe

Post by obewan » Sun Apr 01, 2018 7:14 pm

I would appreciate some advice from the knowledgable people on this forum

I help out at a local football team where we have a weedkiller/fertiliser sprayer ' It is towed behind a small mower and powered by it's battery.
Getting it out of the garage I caught the pipe snapping it out of the tee junction
The crack is as per the red line in the photo

The plastic is quite hard (not soft like a nylon waste pipe) so I used a 'super glue' - It went back together well and I thought it was fixed
However when connecting back up and pressurised, there is air/fluid bubbling out of the crack.

Could anyone give me some ideas please on the best method to repair fully
I was wondering about a gauze wrapped in a figure of eight around the tee junction and fibre glass
Or is there a better way?
Thanks
Pipe.jpg
Pipe.jpg (336.86 KiB) Viewed 605 times
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MJJamieson
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Repair to pressurised pipe

Post by MJJamieson » Sun Apr 01, 2018 7:30 pm

its solvent welded together, to fix properly you would need some pipe and a tee and straight then chop it out and replace.
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Nictrix
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Repair to pressurised pipe

Post by Nictrix » Sun Apr 01, 2018 7:32 pm

Could it be melted with a soldering iron?
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Repair to pressurised pipe

Post by synthedup » Sun Apr 01, 2018 7:35 pm

obewan wrote: Sun Apr 01, 2018 7:14 pm I would appreciate some advice from the knowledgable people on this forum

I help out at a local football team where we have a weedkiller/fertiliser sprayer ' It is towed behind a small mower and powered by it's battery.
Getting it out of the garage I caught the pipe snapping it out of the tee junction
The crack is as per the red line in the photo

The plastic is quite hard (not soft like a nylon waste pipe) so I used a 'super glue' - It went back together well and I thought it was fixed
However when connecting back up and pressurised, there is air/fluid bubbling out of the crack.

Could anyone give me some ideas please on the best method to repair fully
I was wondering about a gauze wrapped in a figure of eight around the tee junction and fibre glass
Or is there a better way?
Thanks
Pipe.jpg

Try some Qbond, it’s amazing stuff. Glue it together, takes 7 seconds and then poor some of the powder you get with it over the crack and then drop a few drops of glue on it. It will be hard as nails.

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Repair to pressurised pipe

Post by john-e89 » Sun Apr 01, 2018 7:36 pm

Nictrix wrote: Sun Apr 01, 2018 7:32 pm Could it be melted with a soldering iron?
Beat me to it. :thumbsup:
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obewan
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Repair to pressurised pipe

Post by obewan » Sun Apr 01, 2018 7:47 pm

john-e89 wrote: Sun Apr 01, 2018 7:36 pm
Nictrix wrote: Sun Apr 01, 2018 7:32 pm Could it be melted with a soldering iron?
Beat me to it. :thumbsup:
Thanks for the ideas guys - I wondered about the soldering iron - just thought being a 'hard' plastic it may not melt well
No harm in trying first I guess

Re renewing the tee piece - Not sure how I would go on with the main coupling at the top. I'll have to see how it is fixed in

Would the Qbond stuff work without breaking the joint again?
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Repair to pressurised pipe

Post by firebobby » Sun Apr 01, 2018 7:53 pm

Pipe solvent cement will melt the plastic and seal the crack, just make sure the crack and pipe are dry before hand :thumbsup:
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Repair to pressurised pipe

Post by Ducklakeview » Sun Apr 01, 2018 8:44 pm

firebobby wrote: Sun Apr 01, 2018 7:53 pm Pipe solvent cement will melt the plastic and seal the crack, just make sure the crack and pipe are dry before hand :thumbsup:
+1 that's how the are joined in the first place. Handy stuff for repairing snapped clips etc too if they are made of ABS.

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Repair to pressurised pipe

Post by john-e89 » Sun Apr 01, 2018 9:42 pm

firebobby wrote: Sun Apr 01, 2018 7:53 pm Pipe solvent cement will melt the plastic and seal the crack, just make sure the crack and pipe are dry before hand :thumbsup:
Good tip Fred, I’ll remember that... :thumbsup:
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obewan
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Repair to pressurised pipe

Post by obewan » Mon Apr 02, 2018 2:16 pm

Quick update
I took the plunge and had a go with a soldering iron - seemed to work a treat
I'll couple it up later in the week (if it ever stops raining!) and see if it has worked

If not I now have a small recess so will try the pipe solvent as suggested

Many thanks for the suggestions :thumbsup:
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