How to Replace an HPLC Check Valve | Shimadzu LC-20

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Is your check valve acting a little screwy? Boom, I got you.
By the end of this video, you will know EXACTLY how to change the check valves on your Shimadzu LC-20 HPLC.
If there is another HPLC you'd like to know how to change the check valve on, let me know in the comments and I might make a video on how to do that one.
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Опубликовано:

22 июл 2024

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Комментарии : 15

@DavidYazdi1 2 года назад

How busted was your check valve when you replaced it?

@DavidYazdi1 4 месяца назад

When you can't get liquid through it. Or no matter how many times you try to sonicate and clean it's crapped out.

@Baribal88 2 года назад

Thank you for your help !!!

@DavidYazdi1 2 года назад

You're welcome!

@user-gi4by8pf1h Год назад

Could you please do a video on how to replace the LC-20 plunger and diaphragm. Your other videos are so helpful!

@DavidYazdi1 4 месяца назад

I did that in the long form video I had.

@roshanipatra6090 7 месяцев назад

Hello! I've accidentally screwed my HPLC's outlet check valve. It would be helpful if you show us the internal parts of the same. Trying to fix it up, however, could not figure the missing part out.

@DavidYazdi1 7 месяцев назад

You normally just buy another check valve. Not sure if it's worth the time to try to fix it. however, if you really wanted to save it - you unscrew it and sonicate it in methanol for an hour. Give it a few smacks on the table with the inlet facing down. That might be able to fix it.