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Diesel-resistant gasket sealant
Tom,
Loktite pipe sealer is Teflon based and I use it extensively for NPT joints in Diesel fuel systems. It is expensive though. Steve "Tom Dacon" wrote in message ... "matt_colie" wrote in message ... Tom Dacon wrote: What's your favorite diesel-resistant gasket sealant? This is for the nitrile gasket on a clean-out port on the top of a small diesel fuel tank. I wouldn't mind something that worked well for pipe threads, too. Thanks, Tom Dacon Tom, Why do you think it needs a sealant in addition to the gasket. If you are having a distinct problem with the assembly, there may be some other issue here. Matt Matt, I don't actually KNOW that it needs a sealant in addition to the gasket. The clean-out port is on top of the tank, and the seal would be only under stress when the boat is operating in a heavy seaway, where the area might be subject to impact loading from the fuel sloshing in the tank. The tank's 316L CRES of either 12 or 16 gauge, so flexing is a possibility in heavy conditions. The dynamic loads are difficult to determine, and my only other practical way to test it would be to fill the tank, close off all the plumbing fittings, and invert it. Even then I'd be applying only a static load. So I'm thinking that if I could run a small bead of sealant around the gasket it might help in maintaining a good seal in those circumstances. Couldn't hurt, might help, and if it does it'll help keep the smell of diesel out of the living spaces. Tom |
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