hello,
i've changed frit and golden seal cap of my HPLC Agilent 1260 as ususal. This time, after the replacement of the valve, there's a leak, I' ve tighten the valve but there is a drop: what can I do?
thanks!
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hello,
i've changed frit and golden seal cap of my HPLC Agilent 1260 as ususal. This time, after the replacement of the valve, there's a leak, I' ve tighten the valve but there is a drop: what can I do?
thanks!
Hello, this is the purge valve you have installed on the head of the pump? If yes, I usually never change the gold seal, but I only take it out for the ptfe frit change, then I'm reistalling the same gold seal.
If the leak is on
A : replace the nut and the tubing
B : probably the gold seal is not perfectly adapted, change it again.
B "MacGyver version" : use teflon on the thread...at least you won't see any drop
Alway, never overtight it, it get stuff worse.
Hope you solve the problem.
I have the same problem and did not know how can I resolve it
Hi
What is this yellow color?
If you are changing frit and gold cap then before installing dip it in mobile phase for at least 5 minutes in beaker.
After this, you can replace frit n gold cap..
Please don't use teflon or whatsoever in purge valve fittings, you got to avoid this material entering the system; the risk of entire LC system contamination is too high.
What kind of purge valve is that? I don't see the PV O-rings P/N 5067-6595. I suggest you to change the gold seal cap assemby P/N 5067-4728, and to use teflon while the spare parts arrive; and better, to replace the entire purge valve, P/N G7111-60061.
We use LC 1290/1260/1100 with these 2 purge valve in our lab.
<a href="">https://imgbb.com/"><img src="">i.ibb.co/.../20210708-151414.jpg" alt="20210708-151414" border="0"></a>
I agree-Please DO Not use Teflon...
I agree-Please DO Not use Teflon...