Nitrogen AND a compressor

The man is paying top $$$ for Nitrogen and can only fill his guns directly sown to 3000psi.

From there on his Nitrogen bottle is "empty" despite being at 3000psi.

Now if he can utilise an compressor he can fill his guns until the Nitrogen bottle is at 5-7psi.



What you need is a regulator that will go down to 2-5psi and then have a "plenum" of several gallons as the regulator is slow and the compressor needs big gulbs of gas. That way the compressor wont be starved of intake Nitrogen.
 
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Here is what I have so far. The adaptor which I can thread into the compressor air intake and the external regulator.
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I understand that I have significantly reduced the air flow to the compressor and will need to compensate that by adjusting the out flow pressure from the big nitrogen tank using the regulator. I also think I want to careful not to over do that because logically already compressed gas is going to harder to compress then non compressed gas putting stress on the compressor . So I think I’m on the right path with the devil being in the details. How much is just right ? 


The only measure is the air gauge on the daystate compressor. I’m thinking that I could measure the rate of clime on that gauge with the air intake open filling against a closed system and then match that clime with the nitrogen connected adjusting to regulator to match as closely as I can. 


Some one might have a better more accurate solution . Maybe that regulator is not the best piece of equipment to use? It’s what I have available and it can be adjusted down very low. 


Again this is an exercise for idol minds more then anything. BUT it does seem like a wast of nitrogen gas to turn a tank in with 2500 psi still available 

If I get a couple of you smart guys working on this I’m thinking it could possibly work. I’m not expecting to be able to use every last bit of the nitrogen but I might be able to use a significant amount. 
 
Yes it's purely to use the dry nitrogen. Enazle maybe you can send me a PM with a little more information.

But, why? If you look at the data the Moisture Boogeyman hands out with Big Foot :)

LOL I never said that this makes a lot of sense. I’m also not completely convinced that there aren’t some bigfoots around.
 
Hehehe! :)

The only thing I can come up with is that the stage-1 head is currently operating at local atmospheric pressure, something around 1atm. It's designed for that. I would be worried unless you can get the nitrogen pressure down to similar atmospheric pressure you could see increased stress on the compressor stages.

But... that's a guess, I don't know that for certain.
 
1589907944_5512368705ec411e8d8f3f1.03075557.jpg
Here is what I have so far. The adaptor which I can thread into the compressor air intake and the external regulator.
1589907854_7347036455ec4118e577200.41583304.jpg
d the

Your big reg will not work and moving the output up and down in pressure will shorten the time between rebuilds. I bought a Palmer Paintball stabilizer that will handle 4500psi inflow and bring it down to 0-200 psi outflow. The sweet spot should be around 32 psi with 1/8” fittings. Once the machine is running it is about airflow and as long as there is just a tad of back pressure the compressor is getting all the air it needs. 


if your using 1/4” the psi needed is less to achieve 50lpm.
 
I was thinking about doing something similar with my tuxing compressor hooked up to my shop compressor to remove moisture on the input. I think you would need to figure out how much vacuum the compressor is pulling on the input and match the regulator output. Any more or less pressure is going to add too much stress. You could feed the nitrogen to an air tank first and use that as a buffer. I think what you really need to do though is sell me your Daystate and buy an Altaros booster. The Altaros is exactly what you need for what you’re trying to do. 
 
I’m thinking another approach might be to rig up a rubber air bladder. ( Have to rework completely the inlet adaptor). If I had something like a gallon sized rubber container made out of an inner tube with the appropriate inlet and out let connections then I could monitor directly the pressure in the bag so that essentially the compressor was drawing the nitrogen in as it would room air. 
Maybe a good use for a hot water bottle. 😀😀 I’ll bet my wife has one around here someplace I’ll have to go dig around in the closets . NA that’s too much work Amazon will get one here quicker . 

How many of you guys have a headache by now?
 
It might be a matter of economics. If they charge you a fixed amount to top off whether your tank is down to 4500psi or 1500psi, You might get some advantage out of using it as a suction side supply source, preferably through a booster. But if they charge you by the volume somehow it might not be worth it. If you intend to keep the big cylinder why not just top it off with your compressor IF the tank rental is feasable? Or since you have a good compressor just turn the Nitrogen bottle in and buy some slugs or pellets or beer with that rental money.😉

jking
 
All good suggestions. You could not fill the nitrogen tank using a daystate compressor. It would never be up to that. Nor is it capable of 6000 psi. 

They do not fill the nitrogen tanks at the store. It’s a one for one trade and no consideration for what remains on the tank.


The only reason I am even considering this is just because of the trouble it is to trade tanks. They will not deliver to a residence
I know suck it up butter cup .
 
Why would you pay $1000 for a booster when a cheap YH compressor cost $200 and a stabilizer another $80? What do you think a compressor is? It's a booster with a motor. Right? I'm using bottle N2 because it is clean and dry and easier to deal with than dryers and filters. There are plenty reports of CF tanks failing because people didn't replace the water filter and pumped moisture into the tank. What I have eliminates all that.