An inverted flare fitting is a device which can be used in a number of different applications, from car engines to plumbing and air conditioning. The very universality of the inverted flare fitting means that it is not very likely to cause any damage when it is being used. There are in fact very few problems with the inverted flare fittings, most of the difficulties being related to the parts around the fitting, rather than the metal nut itself. If you experience problems, and it seems like the flare fitting is the cause, then you can simply remove and replace it. If you don't want to do that, then you should try troubleshooting some basic problems.
Inverted Flare Fitting Is Leaking
This is a problem which occurs in all kinds of plumbing and pipework. Often this kind of problem is caused by a poor connection between one part and the next, so if the fitting is leaking, then you should check the pipes which are attached to either side. Tighten them up, and seal them with plumbers tape if necessary. That should allow water to flow through the pipes correctly, and without escaping through the fitting. Regular maintenance of the pipework will prevent the connecting pipes from working their way loose, or at least pick up on the fact quickly enough to prevent a serious leak from developing.
Leaking Part Two
A second problem which can occur, and which will cause the inverted flare fitting to leak is corrosion. A lot of pipe fittings are made from brass or iron, and these can become rusted or corroded if they have been in place for a long time. Check the flare fitting, and the connected parts such as close by pipes. Look for obvious holes, signs of rust, discoloration of the fitting, and cracks. If you find any evidence that the fitting has been leaking, then you should remove the pipework and replace all of the affected plumbing.
Inverted Flare Fitting is Blocked
Another common cause of problems is a blockage in the inverted pipe fitting. This can reduce the amount of water pressure in the pipe, preventing proper flow, and it can also stop up the water altogether. This kind of blockage can be caused by either debris being stuck inside the flare fitting, which can easily be removed by using a pipe cleaner and some detergent. The other cause is the water pressure not flowing quickly enough, and failing to take away waste quickly enough. This can mean that there isn't enough force of water to lift the debris over the flare fitting, and so it becomes trapped. If you find that your inverted flare fitting becomes blocked frequently, then you should consider increasing the amount of water which flows through the pipes. This can help to stop the fitting from becoming blocked.