After the Yong Heng what other accessories I need

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I use a big desiccant/carbon filter. I noticed the air stank and was dirty on my first run. Didn’t hook it to any thing just ran it to see how its gonna function. For about the first 5 runs or so it was dirty the cotton trap caught along of the oil and particles. Now I don’t get oil in the filter but still stinks. With the filter I got from AOA the air is clean and odor free. 
I also use royal purple synthetic. Was highly recommend. Change the oil when it’s no longer purple.

as far as valve go not sure I have the ez on my ninja tank 
 
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I use this on my Yong Heng. No consumables, and air has always been very dry when venting the separator. I'll get some out of the LP separator, a bit less out of the HP separator, and just cold dry air out of the 3rd separator. I've only been filling 300cc tanks on guns, so not a lot of runtime to get a whole lot of moisture out. I'm happy because there are no consumables. I'll be filling my first tank today, so we'll see how it goes!




 
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The filter you will need depends on the environment of the compressor.

Change out your small YH filter every twenty minutes and set the old one out to dry and reuse later.

Add a better filter if needed to be sure more moisture and any oil smell is removed from the system. Many of us use this Tuxing three media filter although, if you feel the need, you can change media types at any time.

https://www.aliexpress.com/item/32891898253.html

A smaller one will probly do for some.

https://www.aliexpress.com/item/4000960926898.html?spm=a2g0s.9042311.0.0.2a034c4dL0nrJU

Possibly a filter similar one of these, in addition to your desiccant filter, if humidity is high in your area and your desiccant filters have to be replaced often.

https://www.ebay.com/itm/30MPa-High-Pressure-Air-Filter-Oil-Water-Separator-For-Air-Pump-Air-Tank/402600939671?hash=item5dbce2d097:g:pRoAAOSwy41f00pY

https://www.aliexpress.com/item/33032569946.html?spm=a2g0o.productlist.0.0.56fc60ccm8gTGq&ad_pvid=20210607072408105818162084010006558357_1&s=p

I run my compressor in 55-65% humidity conditions and do not keep them pressurized. I have in three years not had a problem with this.

Other than a filter or two and a bucket for water or water and ice I don't think you really need anything else.

I have read, and seen pictures, of at least two instances where the Royal Purple oil had detonation problems and the compressors were pretty much destroyed as the rods went through the casing.

https://www.airgunnation.com/topic/oil-recommendations-for-yong-heng-compressor/


 
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So I got my bottle today and did my first "big fill". Yep, the gold separator definitely did blow water out. I'm also a bit surprised that the "cigarette" filter was a bit wet too. I was dubious about having to change it every 20 minutes, but now I can see that's a good idea. I also had to take this tank from 0 to 4,000 PSI, so it was quite the long fill. I also messed up in bleeding out before turning off the compressor and dumped about 500 psi of air. Whoops. Probably had 45 mins runtime? Anyway, now thinking about getting some mol sieves.
 
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