Plumbing Repair

mscher

Lieutenant
Joined
Apr 21, 2004
Messages
1,424
I have very old underground 3/4" galvanized pipe going to an old frost-proof hydrant at the barn.<br /><br />A leak occured and digging up discovered that the <br />line had corroded right by the elbow going up into the hydrant. It's about 1.5" badly corroded at the bottom of the pipe.<br /><br />Is there any way to attach a compression fitting or something else to the "good" pipe and install a new hydrant? (The old hydrant works but leaks water out the top when opened)<br /><br />Eventually, I'll run a new line, but I can't afford a major project right now, both time and money-wise.<br /><br />Any help appreciated.
 

rwise

Captain
Joined
Jul 5, 2001
Messages
3,205
Re: Plumbing Repair

I have seen (and used) compression fittings for patch work. If I understand correctly its the feeder pipe thats bad, I would use these to patch it for now.
 

kenimpzoom

Rear Admiral
Joined
Jul 13, 2002
Messages
4,807
Re: Plumbing Repair

Can you just use a piece of rubber hose and hose clamps. It wont last very long, but it might buy you some time.<br /><br />Ken
 

Boomyal

Supreme Mariner
Joined
Aug 16, 2003
Messages
12,072
Re: Plumbing Repair

You can get compression couplers to fit the various outside diameter pipes including steel. You'd want to dig down so you could clean (smooth) the outside surface of the pipe to be coupled. You'd also want to support the hydrant stand pipe, in some way, as the compression coupled joint would not have sufficient strength to withstand the torque applied by the standpipe.
 

kenimpzoom

Rear Admiral
Joined
Jul 13, 2002
Messages
4,807
Re: Plumbing Repair

I am thinking that if some of the pipe is corroded, the rest of it might not be far behind.<br /><br />You might not be able to get enough compression with the compression fitting before the pipe collapses.<br /><br />Something to think about.<br /><br />Ken
 

Ron G

Commander
Joined
Apr 28, 2005
Messages
2,905
Re: Plumbing Repair

Cut the pipe back a foot and get a dresser coupling and attach it with new pipe and 90* going to the hydrant and you will be fine.You can buy dresser couplings at any plumbing storeor home depot etc.
 

Ron G

Commander
Joined
Apr 28, 2005
Messages
2,905
Re: Plumbing Repair

The dresser coupling is made to slide back on one peice of the pipe so you can cut the joining peice real snug then slide it over both and tighten.
 

PuddleJumper

Petty Officer 1st Class
Joined
Jun 6, 2005
Messages
314
Re: Plumbing Repair

I have had the identical prob in past and I fixed with compression coupler as described above. Worked great!
 

Kenneth Brown

Captain
Joined
Feb 3, 2003
Messages
3,481
Re: Plumbing Repair

I don't know if the larger sizes are the same but 1/2 galv and 1/2 sced 40 pvc are the same dia. I replumbed my house with pvc. My shower doesn't have a pipechase so there was no way to get the pipes from out of the wall. I just cut the pipe and connected to the new pvc with the plastic compression fitting. Its worked fine for almost 3 years now, knock on wood.
 
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