Every once in a while I forget and hook my gas line to a keg of greater pressure blasting beer up the line into regulator. It’s a pain in the butt taking everything apart to clean.
So, how about an inline check valve allowing only one way flow. I can’t find it on web. Does anybody make one?
Polypropylene and Kynar® housing with Viton® diaphragm. Will work with vacuum between 2 and 29 in. Hg. and pressures from 1 psi up to 150psi. .5 lb. cracking pressure on all sizes and materials.[/quote]
I’ve been using them in my DIY tap for 6L TAD bottles and 3L soda bottles, and they seem to work well. I was a bit leery at that price, but I guess they are a simple mold/spring/diaphragm and a commodity part at commodity prices.