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Doc,
Front cover of Owner's Manual for M50 gold filter if interested. The coalescing filter can be found on eBay, was $125, less now, ad includes how-to operational diagrams, also interesting. WM
IMG_20221022_234748.jpg
 
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WorriedMan said:
Doc,
Front cover of Owner's Manual for M50 gold filter if interested. The coalescing filter can be found on eBay, was $125, less now, ad includes how-to operational diagrams, also interesting. WMView attachment 329035
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Here is a similar version that I got a few weeks back (still on sale):

20230202_212508.jpg



Filter replacement:



Same as the first but has three filter media that includes charcoal:


It is probably overkill but I want to ensure my air is dry, so I have a coalescing (copper/orange) filter, the Gold Tuxing (that I linked above) and the JB Alpha Filter running inline to my SCBA tanks. The Tuxing doesn't have the burst disc like the blue one, but so far it has worked well and the only moisture seems to bleed out of the coalescing filter.

-PJ
 
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Not to hijack thread but I often read about putting a higher volume pump on these compressors. I remember years ago on my second car. It started overheating. I was aware of the cooling circuit in the engine and being 16 years old with no money thought that if I removed the thermostat it run real cool. WRONG. It overheated even faster. Turns out, so I was told, the water was flowing through the block so fast that the water did not have time to absorb and carry off the heat.
Wonder if anyone has ever tested different water flow rates vs temperature at a steady compressor output.
 
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rcs9250 said:
Not to hijack thread but I often read about putting a higher volume pump on these compressors. I remember years ago on my second car. It started overheating. I was aware of the cooling circuit in the engine and being 16 years old with no money thought that if I removed the thermostat it run real cool. WRONG. It overheated even faster. Turns out, so I was told, the water was flowing through the block so fast that the water did not have time to absorb and carry off the heat.
Wonder if anyone has ever tested different water flow rates vs temperature at a steady compressor output.
Click to expand...
RCS,
Don't see any hijack here, Yong Heng discussion, it's all good. Had same thoughts myself, as have others, too high flow might not be such an obvious improvement. Of course, as previously mentioned, flow will be limited by hose attachment nozzles, so could be non-issue. WM
 
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I use a higher volume pump on mine but my setup is the bucket on the floor with the YH on the counter. I found that my long vinyl hoses were kinking raising temperature quickly so I replaced them with brake line hose. It was the right size and works well. I bought a pack of 100 of the white filter elements for the YH filter for a few dollars from Aliexpress. I also got several of the temperature gauges from them after my first failed. I use a smaller black extra filter with color changing dessicant in it. I don't have to change the desicant often, the YH filter gets almost all the water. But the extra filter is up above the YH and I vent about every 5 minutes. Water obviously comes out when I vent and that gives the filters less to do. I change the YH filter element each tank fill and it normally has a little water in it when I squeeze it. My bucket is sealed and has distilled water with some water wetter in it (automotive product). When I want to use ice I use 3 frozen water bottles. By the time the bottles thaw my tank is filled. In the winter I don't need ice. I have a computer radiator with two fans on top of my bucket - could be something to google if you still have time.
 
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Use distilled water. That way you avoid mineral gunk buildup. Like others have said, check all the fittings, bolts, etc. Never trust the auto shut off.
The temperature gauge does NOT come with a battery. Uses a little watch battery. Sorry, not sure what number/size. Maybe someone will chime in on that.
Make sure to use good quality oil and change it fairly quickly after you first get it. I always used the royal purple stuff and never had an issue.
Yong Hengs spit a bunch of water and oil out, but good filters stop it. I used a similar filter to the one you ordered plus the cotton filter that came with the unit. Get a bag of those cotton filter replacements from amazon and change regularly.
I also would unscrew and remove the cotton filters after use and let them dry out between fillings. If not, you will get some corrosion on the inside.
Go ahead and order some spare parts, rings, gaskets, etc and keep handy. You will need them from time to time and if you have them on hand, your down time won't be bad. I actually ordered a second one to use for spare parts or a backup if needed.
I've since moved on from the yong heng, but for the money it's hard to beat for what you get.
I never used mine to fill tanks, but direct filled my guns with it. IF you are filling tanks, make sure to do it in 'chapters', giving it a break to cool down as you fill.
Good luck with it, nothing beats having your own air source.
 
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WorriedMan said:
RCS,
Don't see any hijack here, Yong Heng discussion, it's all good. Had same thoughts myself, as have others, too high flow might not be such an obvious improvement. Of course, as previously mentioned, flow will be limited by hose attachment nozzles, so could be non-issue. WM
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WorriedMan.
I was wondering, after looking at your set up, where do I get a hose to attach to the tank?
AOA? Amozon?
Should it be a male foster on one end and 300 din on the other?
I guess I can only fill the gun until I get that here.

Doc
 
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Assuming your tank is 300din and not a scba firemans tank then you also have the option to get a 300 din male to foster male adapter. SCBA tanks mostly are cga347 fittings.

Is there a gauge on your tank? If not then I would figure one into the system. Something other than the yong heng gauge.

Take your time and think through what you need. your gonna have filters that need connecting too.
I like Huma air for the high pressure air fittings and hoses. they are in the netherlands but ship super fast. Product from Huma for me in NJ is usually less than 48 hours to my door. I don’t know how they do it.
 
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Heavyopp said:
Assuming your tank is 300din and not a scba firemans tank then you also have the option to get a 300 din male to foster male adapter. SCBA tanks mostly are cga347 fittings.

Is there a gauge on your tank? If not then I would figure one into the system. Something other than the yong heng gauge.

Take your time and think through what you need. your gonna have filters that need connecting too.
I like Huma air for the high pressure air fittings and hoses. they are in the netherlands but ship super fast. Product from Huma for me in NJ is usually less than 48 hours to my door. I don’t know how they do it.
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Heavyopp.
Wow. That is some fast shipping from overseas. Nice.
My tank is new from AOA. 75 cu\ft with standard valve and gauge. You are right about the filters.
I have been reading post and trying to learn all I can. I have seen some great examples of compressor set-ups.

Doc
 
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Doc Craker said:
WorriedMan.
I was wondering, after looking at your set up, where do I get a hose to attach to the tank?
AOA? Amozon?
Should it be a male foster on one end and 300 din on the other?
I guess I can only fill the gun until I get that here.

Doc
Click to expand...
Doc,
I only fill guns, think that's my Uragan on upper fill shelf. After initial laying out of set-up and taking measurements, went on eBay and purchased adapters (pictured) and high-pressure hoses to complete. Used a hose and filter from my handpump, too. I guess I could have tried to figure it all out beforehand, but I honestly didn't even know compressor would fit on shelf, so just waited till all parts assembled, then made final hose/adapter purchases. Later, when adding copper-colored filter, had to order another hose, but it all worked out. WM
IMG_20230203_231050.jpg
 
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Doc,
My operating procedure: Gun on upper shelf, install fill probe or connect to pre-installed male foster, depending on gun design, assure all fittings firmly in place. Check YH oil level, to top of red circle. With compressor at room temp, fill bucket in sink, on stool, install water pump with hoses to compressor. Add three bottles ice, chill water 20 minutes, start water pump, chill compressor to 18s-degree C. Make sure copper-colored filter drain and two pressure-release screws on YH are open, start rear fan on high, start compressor, close three pressure-release screws to snug. (Fan and water pump remain on until fill session is complete, everything cool to touch. Replace ice bottles, as needed.) After fill pressure is reached open three pressure-release screws, let compressor run few seconds, shut off. I wait 45 minutes between gun fills to let everything cool, overheated once going too fast. Usually crack open each of the three pressure-release screws at least once during few minutes it takes to fill each gun, just to vent moisture. Members who fill bottles/tanks might want to share procedures. WM
 
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WM — how long does it take to fill a gun? I can’t imagine it takes much more than 2 or 3 minutes.

I have a Gx2 that I fill guns with. That thing is slow and I can fill my impact 480cc bottle from 150 to 250 in under 6 minutes — never tried it with the YH, too much setup time to be worthwhile.

I have only filled bottles with my YH. Took 40 minutes to fill a 30 minute scba tank from empty to 300 bar. Ran for 20 minutes, cooled for 5 minutes, ran another 20 — topped off tanks the next day once cooled but that only took minutes. Filled 2 bottles like this.
 
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Heavyopp said:
WM — how long does it take to fill a gun? I can’t imagine it takes much more than 2 or 3 minutes.

I have a Gx2 that I fill guns with. That thing is slow and I can fill my impact 480cc bottle from 150 to 250 in under 6 minutes — never tried it with the YH, too much setup time to be worthwhile.

I have only filled bottles with my YH. Took 40 minutes to fill a 30 minute scba tank from empty to 300 bar. Ran for 20 minutes, cooled for 5 minutes, ran another 20 — topped off tanks the next day once cooled but that only took minutes. Filled 2 bottles like this.
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Yeah, just few minutes to fill a gun, depends on tube or tank air reservoir. I've 8 PCPs, after shooting a few down to the reg, top off with YH. Some feel YH set-up is too much, my program just involves water bucket/pump/ice, not too much to ask for air impendence, IMHO. After session, save water to dump in washing machine (no small kids in household, no drowning danger), ice bottles to freezer, shop air compressor blows out YH water jacket. I've never seen YH as a chore, guess almost stroking out using a handpump scared me straight. WM
 
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