Method Issues with CPAP mask and gas tank

[darkman]

Hello
I plan on using a nitrogen tank with a CPAP mask.
Here is the nitrogen tank I plan on using

https://www.proweld.ie/wp-content/uploads/2017/04/nitrogen-cropped.jpg

it is 9 L.
Here is the regulator I am going to use . It says its for argon/co2. will this work with the nitrogen tank does anyone know?

https://www.proweld.ie/wp-content/uploads/2017/04/nitrogen-cropped.jpg

here is the CPAP mask I will use.

F1A Full Face Nasal Mask W/Headgear For CPAP BiPAP Sleep&Snore Respirator S/M/L | eBay

F1A Full Face Nasal Mask W/Headgear For CPAP BiPAP Sleep&Snore Respirator S/M/L | Health & Beauty, Health Care, Sleeping Aids | eBay!

www.ebay.ie

The issue is the hose connecting the mask to the regulator will not fit. Does anyone know how to solve this or does anyone know any equipment I could use that will work instead or a better set up all together.?
Thank you for your replies in advance.

 

[GerMann]

Is the CPAP mask airthight closed? Is there a one-way exit valve?

 

[darkman]

yes when the CPAP air mask is up against my face I think it is airtight.
The main issue i see is the CPAP mask tubing wont fit the gas regulator.

 

[Soul]

I've wondered about this too when people have recommended using this type of mask. The tube is quite large.

 

[pane]

The member who started the following thread has connected a CPAP mask and hose to a helium balloon tank. Maybe this could give you some ideas for your own set-up:

https://sanctioned-suicide.net/thre...pressure-setting-and-gear-verification.26377/

 

[Shinbu]

Helium balloon tanks are no longer pure helium in my country. Hasn't all countries started mixing helium with oxygen now instead of having pure helium?.

 

[GerMann]

The small Baloon-Gas is not pure anymore, (oneway)






The Profi-Tanks (refillable) are different, Example:
Helium 4.6 (99,996 % Qualität)

 

[tonywjones44]

yes when the CPAP air mask is up against my face I think it is airtight.
The main issue i see is the CPAP mask tubing wont fit the gas regulator.

I would suggest going to a hardware store (or any shop that sells rubber or plastic tubing. By placing various tubes inside each other you should be able to reduce the diameter of the mask inlet to the same size as the regulator outlet. Technically this is known as 'sleeving down'. Another way would be to glue a suitable size blanking grommet to the mask tube and then poke a hole in the grommet so the regulator outlet is a tight fit. The run some instant glue or silicon sealant around the joint. Then, anything coming through the tube from the regulator must go up into the mask.

 

[NotWhatIExpected]

Is 9L enough? I thought you needed something in the neighborhood of like 600L? Although I think it seems like a 600L tank is only like 3 or 4 feet high