That might be the case on a Navy ship boiler system where the steam is being used for very sensitive applications like the expanding steam turbine turning gear for propulsion... But in a home or commercial heating system using steam -- there is a lot more harmful stuff in the _water_ than a bit of grease getting past a failed gasket on a valve at a radiator...
~~ Evan
Heh! Nice tap dance...
I never said that pipe threads do not need a sealant. To claim that I did is far worse than claiming I misinformed.
So you are dropping your claim of the threads deforming?
Harry K
Er, no.
If I drop a claim, I'll say so.
I've lived in 3 homes with steam heat, replaced a few valves and complete radiators in that time, as well as similar chores for neighbors, also helped install a new boiler. What kind of residential radiator valve uses a gasket? I've never seen one that did.
replying to Evan, frank wrote: Wrong. Teflon tape is not toprovide sealant. It is to equalize friction.
Actually, it is and does both.
If you looking for a quick fix that will stop a leak while you go to the hardware store try using some sewing cotton wrapped around the thread in the same direction that tightens the join it works really well
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