CGA Fittings

CGA Fittings  

There numerous CGA fittings.  Below is just a list of some of them.  We have numerous other fittings available so if you are looking for something special please call.    There are two different types of fittings that we carry, Hand Tight and Wrench Tight.  Hand Tights use a Teflon ring or an o-ring on the end you only need to tighten with your hand.  The Wrench Tight versions are used more for permanent mounts.  They are usually brass to brass.    Johns Tip’s: Fitting Part Numbers CGA Part Numbers identify certain gases – Below is the information   CGA346 – Air Pressures 3,500psi and under CGA347 – Air Pressures 3,500psi and higher CGA540 – Oxygen Industrial Bottle CGA580 – Inert Gases (Helium, Argon, Nitrogen) CGA870 – Medical Oxygen (Bi Pin)     Johns Tip’s: Teflon Taping Parts Teflon tape is not for sealing, yeah I said it what you gone to do about it!  Follow my train of thought here Teflon tape is guess what Teflon.  The Teflon tape is used to make the parts go together smooth. They actually seal by the metal parts coming in tight contact with each other. Teflon tape needs to be wrapped the same direction that the part is being screwed in.  You only need one and half to two wraps no more.  If the part does not seal with that amount check the threads for foreign material.    Stainless Steel Additional Tips If you are putting together two stainless steel parts you have to be sure to watch for galling. Stainless steel heats up quick when you put it together and the parts will lock up before the seal is complete.  If it is a bad case you might not even be able to get the two parts apart.  To avoid having this happen, run a tap “lightly” in the female side of the fitting. Then Teflon tape, after you Teflon tape it run a light bead of christo lube on the starting couple of threads. Then slowly tighten the parts.