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Old 06-07-2005, 10:12 PM
jcom jcom is offline
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How do I repair PVC?

Hello,

We are in poly country and I am working on my first PVC repair inline. We have a leak in a 200' run of poly. It is at a coupling and I don't know how best to repair as the flexibility I am used to with poly is not there.

Are there repair or splice items available for PVC?

Thanks in advance for your help.

John
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Old 06-07-2005, 11:08 PM
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kerdog kerdog is offline
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Pvc repair

Hey jcom-----

To repair that leak at a coupling---get a repair coupling. It's a telescopic coupling. Known as a kwik-fix or slip-fix. Supply house should know what you need. May need a regular coupling to complete the repair. Maybe can find it at the hdwe./home improvement place. See ya----

kerdog
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Old 06-08-2005, 12:06 AM
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Dirty Water Dirty Water is offline
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Bic has sold me on the Dawn KwikFix's.

But you can also use the old fashioned FlowSpans (slipfix).

Don't cheap out and buy one of those crappy compression fixes...Theres two types of those.
  1. Ones that Leak right away
  2. And ones that leak later

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Old 06-08-2005, 09:29 AM
jcom jcom is offline
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PVC Repair

Many thanks for the quick reply and assist. I will get some repair couplings as I am sure I will need them again in the future.

John
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Old 06-08-2005, 04:55 PM
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bicmudpuppy bicmudpuppy is offline
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Quote:
Originally Posted by JonHolland
Bic has sold me on the Dawn KwikFix's.

But you can also use the old fashioned FlowSpans (slipfix).

Don't cheap out and buy one of those crappy compression fixes...Theres two types of those.
  1. Ones that Leak right away
  2. And ones that leak later

guess that means you did find some
glad you like them. Did they have any of the larger ones in stock where you are? Web site says they are making them up to either 3 or 4". I've never seen one bigger than 1".
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Old 06-08-2005, 07:55 PM
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Wet_Boots Wet_Boots is online now
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Is this a main line under continuous pressure?

On a constant-pressure line, I would advise against telescoping couplings. Better to use two Schedule 80 PVC unions and a bit of sch 40 pipe.
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Old 06-08-2005, 11:30 PM
jcom jcom is offline
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Pvc Repair

OK , NOW I AM CONFUSED.

This is a "live" line. Can I use the telescoping coupling? I have not seen the unions???

Thanks,

John
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Old 06-09-2005, 12:34 AM
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kerdog kerdog is offline
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Pvc repair

Quote:
Originally Posted by jcom
OK , NOW I AM CONFUSED.

This is a "live" line. Can I use the telescoping coupling? I have not seen the unions???

Thanks,

John

Hey jcom-----

I think the warning with the telescoping repair is, that there will be the ability for expansion/contraction, due to the use of the repair cplg. IF you use it, try to have the repair made with the coupling near fully extended, so that when pressurized, it doesn't want to 'expand' any further on you.

kerdog
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Old 06-09-2005, 08:32 AM
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Wet_Boots Wet_Boots is online now
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Buy the Schedule 80 unions

Any good sprinkler supply will have the schedule 80 unions, even in poly country. Drop in the new pipe, and tighten the union nuts on each end, and you will never have to worry about the repair. Unions seal with heavy O-rings locked into position. Telescoping repair couplings use lighter O-rings that are free to move as the fitting moves (and eventually fail)
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Old 06-09-2005, 09:15 AM
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Grassmechanic Grassmechanic is offline
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Quote:
Originally Posted by JonHolland
Don't cheap out and buy one of those crappy compression fixes...Theres two types of those.
  1. Ones that Leak right away
  2. And ones that leak later

Now that's some of biggest bunch of BS that I've heard in awhile. Come on out to Michigan and I'll take you to a golf course that has MANY 3" compression couplings on a 125 psi constant pressurized sch80 system. Many of the couplings have been in since the mid 80's and none have leaked. Ever.
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