Plumbing a coupler question

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roggy23

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I need to attach a coupler to an existing pvc pipe but I only have 1/2" real estate on the pvc pipe length. Will this be ok or will it not attach well with glue and cause a leak?
 

MnFish1

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It should be fully on the 'pipe'. It also depends on whether it is a 'drain' or a pipe with 'pressure'. In theory - it could work depending - again in this case - a picture is worth a 1000 words
 
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roggy23

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It should be fully on the 'pipe'. It also depends on whether it is a 'drain' or a pipe with 'pressure'. In theory - it could work depending - again in this case - a picture is worth a 1000 words
Attaching pic of condition. It's a drain pipe connected to a gate valve connected to a filter roller mat. I want to discontinue that connection and connect back to the drain setup which you can see in the pic is directly behind it. If I cut directly to the right of the white 45 and I try to attach the coupler behind I only have 1/2" clearance. This is all in part so that I save the existing gate valve to avoid buying a new one.

Thanks
 

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MnFish1

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Attaching pic of condition. It's a drain pipe connected to a gate valve connected to a filter roller mat. I want to discontinue that connection and connect back to the drain setup which you can see in the pic is directly behind it. If I cut directly to the right of the white 45 and I try to attach the coupler behind I only have 1/2" clearance. This is all in part so that I save the existing gate valve to avoid buying a new one.

Thanks
I'm sure there are PVC experts out there - IMHO - since its low pressure - it COULD be ok - BUT - let's say you bump it, or something else. I would just plumb it properly and buy a new valve
 

NowGlazeIT

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Most fittings start to taper in around half way, how deep is the coupler 7/8ths? It’s iffy but if the pipe and coupler make a tight connection then the two can be bonded.
Another option is to cut into the 45degree fitting a bit. About 3/8ths should do. Once you have the fitting cut you make a cut on each side of the fitting, trying not to cut the pipe underneath. Once you made the two cuts you can chisel away.
 
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roggy23

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It should be fully on the 'pipe'. It also depends on whether it is a 'drain' or a pipe with 'pressure'. In theory - it could work depending - again in this case - a picture is worth a 1000 words
I think it'll be fine since it's the main drain
Most fittings start to taper in around half way, how deep is the coupler 7/8ths? It’s iffy but if the pipe and coupler make a tight connection then the two can be bonded.
Another option is to cut into the 45degree fitting a bit. About 3/8ths should do. Once you have the fitting cut you make a cut on each side of the fitting, trying not to cut the pipe underneath. Once you made the two cuts you can chisel away.
1"?
 

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NowGlazeIT

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I think it'll be fine since it's the main drain

1"?
If you put that on what’s left of your pipe and it spins freely then it’s a no go IMO
 
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