Forum Discussion
Tom_Barb
May 02, 2013Explorer
mtrumpet wrote:
OK. I spoke to someone at Valterra Products. (They were very nice.) It turns out that the gaskets are actually made from SANTOPRENE rubber. In basic terms, Santoprene is basically like a combination of EPDM rubber and Polypropylene. Valterra Products recommends the use of SILICONE LUBRICANT for these gaskets. I agree.
Incidently, these seals are in fact not o-rings, but rather special seals made for that valve.
Here's a link to their website if anyone is interested...
Valterra Products, Inc.
When the seal isn't a "O" ring then I'd go with the manufacturers recommended lube.
"O" rings are buna N
Vaseline is a petrochemical.
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