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rocketeer
Sat, 21st Apr 2007, 12:39 PM
I have a number of pvc fittings that I would like to avoid gluing so I can take them apart for cleaning. Unfortunately, I get some bubbles because of ventury effects and a few are on intakes of my closed loop so they actively suck in air.

I'm considering using petrolium jelly on these joints. Any comments or suggestions?

Jack
SACoastie
Sat, 21st Apr 2007, 01:00 PM
<_< Sylicone maybe? :D
brewercm
Sat, 21st Apr 2007, 01:08 PM
Second the silicone.
rocketeer
Sat, 21st Apr 2007, 01:32 PM
Isn't there something non-soluble that doesn't solidify?

Jack
erick
Sat, 21st Apr 2007, 02:09 PM
Bubblegum :huh :D
Texreefer
Sat, 21st Apr 2007, 02:23 PM
why not teflon tape?
DaBird47
Sat, 21st Apr 2007, 02:35 PM
Good idea, teflon tape.
jroescher
Sat, 21st Apr 2007, 07:29 PM
Unions!
Ping
Sun, 22nd Apr 2007, 06:18 AM
Jack, Petrolium jelly is used for lubricating some (drinking) water processing machines. I think it would be safe for SW.
caferacermike
Sun, 22nd Apr 2007, 09:12 AM
Or you could just as easily get a tube of food grade silicone lube. Honestly as a pipe fitter I don't think that will help much. I'd recommend just gluing it together. I've seen plenty of systems that were dry fit and then siliconed around the joint, IMO they looked horrible and had salt creep everywhere. If water is not creeping out and all you need to do is prevent air from getting in, you might use duct tape to wrap around the joint. Wrapping it in teflon probably won't help. Now if you are talking about threaded fittings, by all means use teflon to wrap the threads.
txyaloo
Sun, 22nd Apr 2007, 03:01 PM
Teflon pipe dope might also work. Same stuff as the tape except it's a putty.

http://www.kingssupply.com/item36.htm

Home Depot/Lowes sell it.
jroescher
Sun, 22nd Apr 2007, 03:16 PM
I think anything you put on a slip fitting to make it easy to take apart will do just that. Make it easy to take apart....even in the middle of the night when you really don't want it to come apart.
Ram_Puppy
Sun, 22nd Apr 2007, 09:35 PM
petroleum jelly can eat away at rubber gaskets and seals, all it would take to make a big mess is a little 'migration'.

personally, PVC is cheap... glue it, then cut it if you want to change it. it would really suck for the pressure of your pump to push your seals apart and pump your tank into your home.
gjuarez
Sun, 22nd Apr 2007, 11:05 PM
like mentioned before, use unions