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Post by majestek12 on Apr 29, 2023 1:05:58 GMT
Thanks for the tip on the FlareSeals, seems like a really eloquent and less-mess solution. I also appreciate the lower risk their form factor prociewst. I was able to source some locally, but have some Nylog Red arriving tomorrow.
Would it be worth it to add Nylog to the threads in addition to using the FlareSeals? I guess it may be unnecessary, but if it won't hurt and may provide limitedly more benefit I'll go that route, otherwise just the FlareSeals.
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marko
7 Cubic Foot
Posts: 144
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Post by marko on Apr 29, 2023 8:18:45 GMT
I've got a bottle of Nylog Red on order, seems similar to Leak Loc but specific to older CFCs and mineral oil systems instead of POE. I don't know that it makes a difference on a leak and it's probably most important when the sealant could get INTO a system such as when under vacuum, but I figured it may better stand up to similar chemicals. I've got the valve closed pretty tight, I think it's just the seat giving up after 60+ years. I'm intrigued by your statement on putting the Leak Loc/Nylog on the flare angle. I had planned on giving the cap threads a decent coating, are you implying it would be better put on the flare surface on the cap and valve? Perhaps both the flare surfaces and the threads? Needs to just be on the flare seat area, not the threads. Another option you can use are FlareSeal gaskets, or even just regular service port caps with rubber o-rings in them. FlareSeal can be bought at almost any HVAC shop. https://flareseal.com/ These caps can also be found almost anywhere: https://www.jbind.com/product-category/access-valves/quick-seal-o-ring-caps/ Those are just two options which have zero risk of system contamination. I use the FlareSeal gaskets extensively on the old belt drive systems which are almost always assembled with flare fittings. They are nearly 100% reliable even on 90 year old fittings. Sincerely, David I have used Nylog. It is a good product, works as an assembly lube for mechanical seals, bolts, gaskets and flare fittings. I've had excellent results with it. |
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