George I was introduced to teflon tape as a thread sealer fifty years ago as you probably were too. Lately I have heard teflon tape is is a thread lubricant and it might seal the threads too. In a perfect world we should not need thread sealer but not many pipe threads are cut perfectly centered with consistent thread depth all the way around, meaning Chinese. I have put together a lot of hydraulic pipe fittings with no sealer and they sealed up just fine but maybe the oil was the lubricant allowing me to get it a bit tighter. Plastic fittings are supposed to not need a sealer but anyone who has pumped liquid nitrogen through plastic fittings finds out the fittings need teflon AND pipe dope together and the fitting might still leak.
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Today's Featured Article - Search For Spares - by Anthony West (UK). Following on from the aquisition of the old Fordson F, I was very much in need of spares. As a novice though I didn't appreciate the fact that there were so many Fordson tractors made, that all the other makes seem rare by comparison. As far as I was aware a fordson was a fordson and it was only through trial an
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