What PVC cement should be used for underground use?

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Old 11-03-19, 03:56 AM
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What PVC cement should be used for underground use?

I have to bury a 2" pvc line underground, due to the grounds somewhat cold and damp conditions what would be the best pvc cement to use? Thanks....
 
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Old 11-03-19, 05:00 AM
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You can use any PVC cement. Since it's not plumbing you do not have to use purple primer. You still need primer but you can use clear if you want.
 
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Old 11-03-19, 05:30 AM
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Buried conduit is not considered watertight regardless of material or joining methods.. The wires inside must be rated for wet locations, for example THWN is a wet rated conductor.
 
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Old 11-03-19, 05:53 AM
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This is for a sewage injector pump system that will be going to my septic tank. Wasn't sure if they made pvc cement that was better for underground cold and wet ground conditions...
 
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Old 11-03-19, 05:55 AM
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The cement is a solvent, it melts the pieces and they fuse together.
 
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Old 11-03-19, 06:58 AM
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I understand about the joints fusing together, the temp here is in the high 30s to 40 degrees. I've seen a lot of different cements online, all weather, heavy duty, quick bonding, wet and dry, and regular cement. I didn't want to glue the joints in a cold damp ground and have my joints come loose for some reason, that's why I was asking..
 
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Old 11-03-19, 07:20 AM
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The different PVC glues have more to do with the conditions they are being applied under than anything else. Once set they should all preform the same.
 
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Old 11-03-19, 10:41 AM
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Since it is a plumbing application I would use purple primer. It's no different than clear but the purple color makes it visible to the inspector so they can see that you used primer.
 
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Old 11-03-19, 02:13 PM
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Thanks, maybe I'll use a faster setting cement seeing the joints will be glued outside in colder weather, I'll be sure to use primer too, thanks again....
 
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Old 11-04-19, 06:09 AM
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Lots of options for cement, fast/slow/heavy duty etc.

https://www.oatey.com/125874/Category/Oatey-PVC-Cements
 
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