Stainless Steel to CPVC Connections
Stainless Steel to CPVC Connections
(OP)
I am running stainless steel tanks with NPTF half couplings on it. I want to connect NPTM CPVC adapters directly to the stainless steel. The problem is somebody higher up persists that the connections will leak. Is there any good place to look for information that would help me get my point across, or a good way to prove it to a non-engineer?





RE: Stainless Steel to CPVC Connections
RE: Stainless Steel to CPVC Connections
I recommend that you use an anaerobic paste thread sealant rather than just Teflon tape if possible. It will be more forgiving- but only if you choose one which will not embrittle CPVC. Check with the mfg. An example is Loctite (Henkel) "No More Leaks" sealant, but there are many others.
You have bigger problems with SS NPT male parts in CPVC female parts due to the tendency of the fitter to over-tighten the fittings to the point that the female part splits. Better quality CPVC female parts will have an external ring, often SS, to reduce the tendency for the parts to split.