Joining galvanized and PVC outside


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Old 05-12-09, 05:51 AM
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Question Joining galvanized and PVC outside

I have an underground run of galvanized pipe about 100ft long from my house to my shop that got broken about halfway. What's the best way to join unthreaded galvanized to the new PVC? Thanks!
 
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Old 05-13-09, 03:25 PM
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I'd probably use a galvanized sleeve coupling (like Dresser), and install a galvanized pipe nipple on the PVC side, so that the compression sleeve can bite good into the rougher galvanized - and also so that you can screw on adapter(s) to join to PVC.
 
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Old 05-13-09, 05:25 PM
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What's wrong with a rubber coupling?
 
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Old 05-13-09, 05:59 PM
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I like to use the pvc dresser, The steel ones tend to rust over time. They both will do what you are wanting to do.
I just like the pvc ones better, but that's just me.


Travis
 
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Old 05-14-09, 07:21 AM
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Originally Posted by Pulpo View Post
What's wrong with a rubber coupling?

What kind of rubber coupling, for say 1 inch pipe, that will not have a weak spot at the joint when under high pressure?
 
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Old 05-14-09, 03:00 PM
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What do you call high pressure? How many PSI?
 
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Old 05-14-09, 04:56 PM
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Thanks for the solutions!

I'm sure one of the sleeve couplers will work. Since the rest of the galvanized run looks ok, I may try to just cut out the bad section (a T connector) and rejoin the unthreaded ends with the coupler. Sound reasonable?
 
 

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