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Author:
diyer21g (CA)
Is a 3" ABS coupling the only way to connect two 3" ABS pipes together? I'm replacing a section of CI with ABS, and on one end where the new ABS pipe will connect to an existing ABS pipe, by way of the coupling, I won't be able to give one of the pipes a 1/4" turn when welding (gluing) the pipe to the connector. Is a Femco okay to use? I will be calling for an inspection, so I'm sure the inspector will have something to say if the proper connection isn't used.
Thank you.
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Author:
bsipps (PA)
A Fernco can be used with a heavy duty shielded band or you can glue both joints together and still get your 1/4 turn
I would opt out if the fernco option when possible
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Author:
diyer21g (CA)
Thank you for your response.
I didn't mention that this connection is below ground, does it make a difference?
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Author:
bsipps (PA)
Call the inspector and ask him
In my area your only allowed 1 fernco with a stainless steel shielded jacket connection underground usually between 2 different piping materials
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Author:
packy (MA)
a repair coupling has no stop in the center.
you can use one of those and get plenty of rotation to disrtibute the glue.
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Author:
bernabeu (SC)
.... nor has it any taper
result: a glued joint
as opposed to: a solvent welded joint
if one is going to cheat/fudge IMO use a standard tapered coupling with copious amount of solvent weld
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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
bsipps (PA)
Only problem with a repair coupling is you damn near have to dump the entire glue can in the joint for it not to leak
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Author:
bernabeu (SC)
exactly
for the DIYers:
one does NOT glue plastic pipe, one solvent welds it - said solvent weld is made because of the pressure created by the taper inside the TAPERED fitting - the very bottom of the fitting is where the welding occurs
a properly made solvent weld joint is as strong as the pipe itself
'repair couplings' have NO taper therefor resulting in inferior glued joints with little 'structural strengh'
ergo: they are NOT code compliant - they would better be called 'emergency PATCH couplings'
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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
Edited 1 times.
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Author:
exapprentice30 (MA)
Would heavy duty cement work better for a pvc repair coupling?
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