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One thing I’d add to the safety aspect is to always wear safety glasses when pressuring up anything.

What happens if you don’t have equal pressure in your pump and your tank when you start the airflow to the tank?

This video is now a year old. So now that you've had some time using both units, what's been your experience with reliability and longevity on each of them? There's a guy selling a portable gx unit that he converted to taking a Makita 18v lx battery to power it. Because I know putting extra pull on my alternator on my truck, I'm not going to hook the compressor to my car battery. So I like the idea of using a portable, rechargeable, replacable batter, or plugging it into a 110v outlet... Thanks again for sharing your knowledge!

Just starting my new PCP airgun hobby, and it sounds fun, thank you for the info, safety is a wise step, tying down that hose was a great idea, they can whip so hard with that air pressure and with those adapters to whack you will not be pretty or healthy. Subbed!

Greetings. I wait for him to turn off the auto stop. Then I tighten the valve on the bottle and finally the valves on the compressor. Am I doing it right?

Thanks for the information. Just brought myself a 9 liter omega tank. First time filling.

very nice video you have made there sir detailed an exclusive.i have now less fear in my head.

Cool, now I just need a scuba tank!.

Thanks Mark.

Thankyou, from the UK 😊

I have a new yong Heng and it won’t build pressure I took it apart and tightened everything and still no pressure someone please help ! What am I missing any suggestions please thank you

About how many fills does that air tank you have there hold for say an Umarex Notos?

I wonder what a real thermometer would have read at the hot end, and not one of these IR guessing devices. They don't work well at all on blank metals. ;)

Outstanding video and very clearly explained. Thank you! Without your video I would not have known to match the pressure in the tank with the compressor, before opening the tank’s valve. 👍🏻

Thanks Sr your video helped me a lot choosing my back up air tank.

Why do you need a separate pressure guage to check tank pressure when the tank has a guage on it??

Another thing many people do not understand is “duty cycle” and how it relates to whatever electric tool they are using. Most people I say the words “duty cycle” to don’t know what it refers to at all. Compressors especially will fail due to overheating , I can just imagine how sensitive those 4500 psi compressors must be. The smaller sized ones I mean. Your videos are most helped, I think this is the third one I’ve watched at this point.

People don’t realize how dangerous compressed air can be, especially at the pressures relating to the pcp guns. I just bought a new rifle with 2 new tanks that I would like to keep moisture and/or contaminants out of. I also purchased a small compressor that has a tiny in line filter , doesn’t look like it’s enough, my tanks were filled once by the place I bought it from when they tested it. It still contains what’s left of that first charging. I don’t understand these guns and tanks yet , but if it’s possible I think I’m going to release the remaining air from the tanks and pull a vacuum on them and hold,it long enough to evaporate any moisture present and start over with a leased nitrogen tank or something. I already lease oxygen and acetylene tanks for my work, so adding something else shouldn’t be a problem. There are probably inert gas choices, lol, I know nothing about these guns I have a feeling this is going to be more expensive than I expected. Most things like this normally are though🤣. Would be interested in your opinion, will sub your channel also.

Excellent video mate presentation is clear and concise!

I cooled mine with a medium size drum and let the warm water drop on the ground not back in the drum and I put the tank in a thick pvc pipe in the barrel to keep it cool so not to hot fill and the pipe to help in case of explosion. Gx pumps are the best I found .

A little late to this video but I wish I wouldve never bought one of these junk let alone 2 ,the first one completely fell apart and has to be rebuilt constantly and the second one out of the box wont air past 3000psi ,I suggests not buying this crap.

male quickfill with 1way valve wll also help, prevens the tank air to flow out while letteing compressor air to go in

Hey my high compression piston seems to be going to high and locking up because it cannot return the stroke. I'm fairly used to piston strokes from racing motorcycles, 2 strokes, but this thing has ne really confused and hard to find good customer support. I'm getting ready to replace the whole unit or just whole top end but I'm really interested in figuring this out. Also, the top high compression piston is tight!

yes thank you

A lot of wasted air with all those filters

What did your set up cost?

Sir can we use coolant instead of water in bucket

Great video, thanks for putting this out there!

Why did you use a high pressure gauge to measure your tank pressure isnt there a pressure gauge on the tank shown??

Thank you so much for this. Just what I needed was a simple demonstration. I watched far too many videos that complicated things beyond my simple brain! Much appreciated! Do you recommend any particular filter or type of filter?

Excellent video for a newbie - that's me!

Thanks for the link as I just ordered a dropdown with gauge and fill valve for 10 year old tank. The piece you removed was the overpressure disk. Not sure what it's rated for but guessing 3200 psi. 2900 max for my old valve to keep from locking up. Thx!

I modofied the crank shaft on mine to fit a bearing and built a chiller for it aswell. I also put a manometer an solid state relay for an auto shut off

Yes, i have a question. Why do i need to let the pressure build before opening the tank? Why can’t i have the tank open already?

I fill mine the same way EXCEPT…..I literally put ice into my cooling tank to keep the compressor cool.

I’m very disappointed I ordered CF tanks on my bintac s45 They sent aluminum tanks ! Not sure what I can do?

Great informative video! I just bought a 10ltr 300Bar tank but also debating over an oiless compressor for gun fills directly 🔥

I like all the info, very useful. It would be great to see all the connectors that are required between compressor and air bottle, and what each connector is called.

Great video Mark. The main cause of heat in the Yong Heng is the larger, lower cylinder. You have that covered with your high volume fan in the rear. People go crazy cooling the top and the lines, which are already water cooled. Like you, I use ice, which is a must. In the last year, prices have come down on the larger compressors. I recently saw the Hill, from the UK selling for under a thousand US dollars. I,however, am staying with my YH. It does the job at a bargain price.

I'm just starting with PCP and this is very valuable information. Thank you sir!

What about a fill thats 4500psi .then its going to wear quick just to go from 200bar to 300bar

A view without the window in the background would have been better and A few close ups also

This US metric drives me nuts.

hey mark what would you buy right away could you give me a shopping list of the things i need? i have the lasko fan and a bucket so far..

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Thanks fot the video

I have the same set up, and I cut a little opening out of a one gallon milk jug Leaving the handle. and I fiill the milk jug up 3/4 of the way full and freeze them. So I have several of them in my freezer and then I put it in the 5 gallon bucket of water, I can fill a full tank an that water stays very cold and then when I'm done I just fill it back up an put it back in the freezer for next time. Works great

Hello Mark. I want to use a compressor to transfer Helium from large baloons back in to a cylinder/tank which has 200bar. I´m looking for a cheap transportable compressor which has like a small opening where is sucks the air which it is compressing so that i can add a tube and connect it with the baloon. So it musn´t have big slots and holes regarding this purpose. Can you please recommend me a Compressor ? Can you please tell me how the Yong Heng - Compressor absorbs the air , does it have a small hole ? PLeas help me , thx !!

Would you fill up a 74 cu ft in one shot ? With this yong heng thank you

Awesome thank you for sharing