[Method] Inert gas asphyxiation and scuba gear (alternative to plastic bag)

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dreamsofdestruction

dreamsofdestruction

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May 9, 2019
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I'm currently researching the details of this method and stumbled upon this paper:


(I've attached it to the post too.)

Here one guy used a scuba mask connected to a nitrogen tank. It seems to eliminate some of the uncertainties that come with the plastic bag variant, like does it sit snugly enough and do you have enough flow of gas to flush out the carbon dioxide, etc.

But as they write in the paper, it seems to be a somewhat exotic case. But why? How come this is not more popular?

I've not yet tried to find out what the technical difficulties of putting it all together would be. Guessing people who are knowledgeable at diving would probably not be very helpful on average. Does anyone here know a bit about this stuff?

I don't assume all the equipment can just be bought and hooked up to one another, since I don't think the connectors would fit. But it seems weird to me that there isn't any material to be found on the topic, since it seems to be such a perfect setup.
 

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pane

pane

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This man's case has been discussed here previously. He was an experienced scuba diver with professional-level equipment and knew what he was doing. To replicate the way he killed himself we'd most likely need a scuba expert to come here and explain how it was done.
 
dreamsofdestruction

dreamsofdestruction

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I tried going through the "megathread", which has become quite large and unwieldy and somehow everyone seems to think this guy heavily modified the equipment or absolutely needed to be an expert to put this setup together. Why though? Nothing in the paper seems to suggest this. They only say he was probably an experienced diver since he owned scuba equipment. (Doh!)

I've also found this manual here and that guy only seems to have used a simple adapter to connect the scuba gear to the gas tank.
 

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BaronVon

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Feb 24, 2019
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This has always been my question to myself when i see it mentioned on here that he was a specialist and altered the equipment, i don't know what he could have changed.

It just seems a basic full face diving mask with a connection in for the inert gas in and co2 should go out the front valve on the mask
 
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pane

pane

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For anyone who opens the PDF that Dreamsofdestruction posted, you'll have to follow the pictures alone because the text is in German (I think it's German).
 
dreamsofdestruction

dreamsofdestruction

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I'll take the time and translate it tomorrow (native German speaker) if anyone is interested.
 
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BlackholeHead

BlackholeHead

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I have researched this aswell and it is my chosen method, I have that setup at home waiting for my final decision.
I honestly don´t know why everyone thinks that guy was a scuba specialist, all he did was follow that german manual.

In a rough translation (not translating the math because its really too much) you need a 5 litre @ 200 bar (=1000l) tank of nitrogen with a quality of at least 99%, even a 2 litre tank (400l) would in theory be enough as you only consume nitrogen on demand with the scuba gear.

You will need a Stage 1 & Stage 2 scuba kit, which you can buy cheap in used condition at ebay (follow the links in the manual to see examples).
You will need an ice diving mask.

The tricky part is the adapter, now in germany nitrogen tanks have a W24 (Wrench size 24) thread and the oxygen tanks have a 5/8" one, so that you cannot connect them easily. But you can buy those on ebay or at diving shops online. There seem to be different threads on international diving equipment, make sure you get one with the international 5/8" thread.

If your nitrogen tanks in your country use different threads, then you must find an adaptor from that to the 5/8" from the stage 1 of the scuba gear.

The whole setup cost me about 240,- Euro.


Everything after that is easy, when everything is connected, open the tank valve, if anything is hissing, close valve, check connections, if nothing is hissing, connect the stage 2 mouthpiece thingie to the ice diving mask, put on mask (tight fit, you can test this with just the mask on the face, closing the mouthpiece opening with the hand, if the mask sucks itself to your face, everything is sealed) and breathe.
The stories about this just working under water pressure is nonsense, the inhale/exhale valve in the mouthpiece works fine with just your inhalation closing it from the outside and the exhalation closing the nitrogen flow and let the used air out.

The only annoying thing is the scuba sounds, but when everything is right, you will only hear that for a minute.
 
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LMFAO FOCKERS

LMFAO FOCKERS

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This method interests me. I came across this in a blog where a guy was successful using this method. He used soft connectors instead of hard threaded connectors. I believe max dog sells soft connectors but you can find that hose and gauge cheaper elsewhere.

This is the path:

1) Supplied Air Respirator (SAR)---> 2) Special Breathing Air Hose that Connects to SAR (Most SAR come with hose)---> 3) Gas Delivery Tube with Soft Connections ---> 4) Gas Regulator(15L/min)---> 5)Gas Tank
 
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LMFAO FOCKERS

LMFAO FOCKERS

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Care to link it?
A lot of the SS blogs I had saved were being either temporarily blocked or pulled down when I searched long time ago so I started taking pictures of methods on sites I saved.

It should work with a scuba mask or the "right" supplied air mask. Many people have died accidentally from inert gas so the US govt made an order to change the size of the threading to prevent accidentally connecting inert gas to a supplied air mask. This is easy to circumvent with the hose that has soft connectors. The plastic would stretch to connect to any threading. And duct tape could be used to reinforce that connection.

The ones at MD brewing are pricey so I'd imagine you could find a cheaper hose at amazon.

This is the only link I have that is working. See the last comment where I copied the formula. Beware that some of the purchase links dont work. The anti-choice "internet police" also recently started redirecting certain product links from SS websites to the suicide hotline page. You will have to copy the link and enter it into your browser to circumvent that. The internet police must be idiots to think that will deter someone.


See links below:

see bottom of page

techie

airport

SAR accidents

EDIT: An adapter could easily be found to connect a gas cylinder to a SAR / scuba hose. See attached list of standard cylinder connectors for each country.
 

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BaronVon

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I would assume a full face diving mask would be the same as the stage 2 regulator, so in its simplest form a nitrogen tank, regulator/flowmeter and full face mask
 
pane

pane

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The news report on the Indian tech guy (the "techie" link) starting at 00:23 seconds states that he was found by his family "bearing a nose mask connected to a nitrogen gas cylinder" and in the video he doesn't appear to be wearing a plastic bag/hood on his head. I wonder if used the typical sort of oxygen mask you can buy through Amazon?
 
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dreamsofdestruction

dreamsofdestruction

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Okay, here comes the translation:

page 1

diving regulator gas method
nitrogen/helium inhalation via diving regulator


This is the sophisticated version of the well known exit bag method, so to speak.

As an introduction to the original exit bag method I recommend the addendum to the book "final exit 3rd edition" (www.kopete.cc/web/Final_Exit.pdf)

The various problems and uncertainties of the original setup (plastic bag + gas tank with permanent gas flow) are addressed in numerous other threads and are not the topic of this post. Instead I merely want to present my results here, which come from the consideration of said uncertainties.

The basic idea to breathe an inert gas (in this case nitrogen or helium) is my starting point as well. I'll just try to rule out the uncertainties of the plastic bag as well as of the permanent gas flow from the tank by following a somewhat more technically involved approach.

First of all, let me point out the advantages of nitrogen/helium inhalation again:
  • NO shortness of breath and NO feeling of suffocation since CO2 keeps being removed
  • Unconsciousness kicks in very quickly
  • Death after a maximum of 3 minutes in pain free unconsciousness
It doesn't matter which of the both gases you pick for the method shown here.

For a clear explanation of the mode of action of nitrogen inhalation, you can download the BBC report "How to kill a human being" from http://xhgc18.blogspot.com/2008/01/bbc-horizon-how-to-kill-human-being.html or watch it directly at http://bizarrereport.com/killhuman.htm

The German translation with the title "Die Wissenschaft des Tötens" (The science of killing) can be watched here: http://de.sevenload.com/videos/BWXpLPs-BBC-Exklusiv-Die-Wissenschaft-des-Toetens

In two chapters (> 30th minute?) the consequences of oxygen deficiency for the brain, as well as explicitly the mode of action of nitrogen inhalation are clearly demonstrated by means of an animal experiment carried out at the University of Bristol under the direction of Dr. Raj.

(Concerning the compatibility of nitrogen inhalation with ethical principles in animal medicine; see also: Euthanasieverfahren in der Tierarztpraxis nach Hubbel (euthanasia procedures in the veterinarian practice according to Hubbel): http://www.vetion.de/focus/pdf/Euthanasieverfahren-Tabelle.pdf)

Indicative of the effectiveness is also the statement of the Safety Advisory Group of the EIGA (European Industrial Gases Association) in their safety newsletter about the effect of inert gases in their extra edition "Kampagne gegen den Erstickungstod" (campaign against asphyxia)

Quote:
Inert gases like nitrogen, argon and helium are odorless, colorless and tasteless and are therefore insidious by nature, because they don't give any warnings about their presence and the life threatening change of the local atmosphere. For persons who are unaware of this, suffocation through inert gases happens without any prior signal, which can occur very quickly. Just seconds of low oxygen concentration are enough. You just don't notice that you're passing out.


page 2

The requirements for the technical implementation of my considerations were:

  1. The creation of a nitrogen/helium atmosphere that's as pure as possible and not mixed with exhaled breath (oxygen and CO2)
  2. The apparatus must not become ineffective through uncontrolled movements of the body during unconsciousness or relaxation of the muscles and therefore a changed body position
  3. Emitted gas must not endanger others when the person is found
Required are:
  • Diving regulator, consisting of 1st stage (pressure reducer DIN) and 2nd stage (demand valve)
  • Nitrogen/helium tank, 3 or 5 liters, purity at least 2.8
  • Adapter for connecting the tank to the diving regulator
  • Full face diving mask
This might at first sound complicated to some people, but in principle it's simple and moreover all components can be comfortably ordered online from home. Still, for safety reasons all links to dealers are included in such a way that they cannot be clicked on directly (does not apply to the attached PDF).

Some basic things:

I will explain everything in detail, even if it leads to the text becoming bloated and things being mentioned that actually don't require explanation. But I'm certainly not alone in my belief that planning your own passing requires the utmost diligence.

Nevertheless, there will obviously also be people who believe they don't even have 14 days of time to get a hold of all the required pieces and to assemble them carefully. And of course there will be those who are not willing or not able to invest the necessary amount of about 200€.

Those who don't have the required funds I would advise to explore all possible ways of acquiring them.

The others who don't want to invest the necessary time or money can stop reading at this point. Good luck to you, you're going to need it. Because the often described failed attempts using various suicide methods are generally the result of overhasty preparation or a lack of preparation.


page 3

Ingredients

1. Diving regulator, consisting of 1st stage (pressure reducer) and 2nd stage (demand valve)


This is a diving regulator like the ones used worldwide by divers or firefighters and which are offered on eBay by the hundreds. For our purposes a very simple regulator will suffice and can be bought for about 70€ in used and certified condition. There are different designs depending on the manufacturer and there are different terms used (<various German terms for diving regulator which seem to have no English equivalents>) but they all mean the same thing.

The regulators consist of two parts which are connected by a hose. The 1st stage is a pressure reducer, which regulates the gas pressure that's 200 bar for a full tank down to about 9 bar above ambient pressure. The second stage, the actual breathing regulator, further reduces the pressure so that the gas can be breathed normally through the mouthpiece. These adjustments happen automatically and require no manual control.

Picture:
  • Pressure hose between 1st and 2nd stage
  • 1st stage = pressure reducer with DIN connector
  • 2nd stage = demand valve with mouthpiece
page 4

The second stage works according to the demand principle. This means that there's only gas flowing when breathing in. When no breathing is taking place or during breathing out, the gas flow is automatically stopped and the exhaled breath is directed out of the demand valve via a diaphragm.

From this follows that the gases that are breathed out never mix with the gas that's breathed in (-> pureness of the nitrogen/helium atmosphere). Furthermore it reduces the required amount of gas dramatically, because there's not a permanent flow, but just during breathing. The fact that there isn't gas emitted into the ambient air continually also means that others won't be in danger when the person is found.

If you put the search term regulator into eBay, you immediately get numerous offerings of used diving regulators. Often the devices offered on eBay include additional features like octopus (secondary demand valve) or finimeter (pressure gauge). if something like that is included, it doesn't matter, but it's unneeded for our purposes and only makes the thing more expensive.

There are also numerous dealers of diving equipment on the net apart form eBay, all of which sell used equipment. Just google it.

The picture above for example is an item from this company:

http://www.orcawal-berlin.de

for 69€

When making a purchase, make sure the 1st stage has DIN threads for 200 bar tanks, so it can be connected via adapter to the nitrogen/helium tank. There are also INT connectors, but those don't fit the adapter. If it isn't clearly specified in the eBay auction, just ask the seller.

2. Nitrogen/helium tank, purity at least 2.8

The gas should have at least a purity of 2.8. There are several levels which are usually stated by the sellers. The first digit specifies the number of "nines". The second digit is the actual last digit after the decimal point.

So 2.8 corresponds to a purity of 99.8%. The highest commercially available purity is 6.0, which corresponds to 99.99990%. The higher the purity, the higher the price.

To calculate the required amount of gas, the following factors have to be determined:
  • breathing rate / minute
  • tidal volume
  • minute volume
  • maxmimum duration until death sets in
At the end you'll realize that even the smallest available size of tank is enough to kill you several times over, even with the addition of considerable safety margins.

page 5

The breathing rate per minute for an adult is given as about 15 at rest and about 22 at medium heavy work or stress in the relevant medical literature. Since unconsciousness sets in after 4-5 breaths, longer phases of stress and with that longer durations of an elevated breathing rate can be ruled out.

The tidal volume is not identical with the total lung capacity, but rather is the amount which is breathed in and out during normal breathing and constitutes about 600 to 750 ml for an adult, depending on height and weight. So only about 1/5 to 1/6 of the total lung capacity. To account for a possible increased consumption because of a higher body weight (BMI greater than 23), add a safety margin of 100% for the calculations and estimate 1500 ml as the tidal volume.

Graph:

Headline: tidal volume by height
Graph caption: tidal volume (VT) by height for BMI=23
X axis: height (m)

The maximum duration until death (brain death) when continually breathing a highly pure nitrogen/helium atmosphere is estimated as 1-3 minutes in literature. (Also refer to Dr. Raj in the above mentioned BBC report concerning this)

For the calculations I'll assume that we're all extremely though ;) and will hang on for twice the maximum duration, so 6 minutes, and will even be breathing until the last second, which is really very optimistic or rather unrealistic.

From breathing rate * tidal volume we can now calculate the minute volume:

22 * 1500 ml = 33 l/min

The minute volume * maximum duration until death gives us the maximum needed amount of gas:

33 l/min * 6 min = 198 l

page 6


A 3 liter gas tank, which is only filled to 150 bar due to its low wall thickness, already contains 3 l x 150 = 450 l of gas. This is 2.3 times the maximum needed amount calculated above, even though I already added considerable safety margins (100% respectively) in the multiplications.

The next larger tank size has a volume of 5 liters and a pressure of 200 bar. Everyone can figure out for themselves that the 1000 l contained within are 5 times the maximum needed amount. The right size for all safety fanatics. :)

Nitrogen/helium can be bought on eBay (including delivery) or directly from a local gas dealer and not least countrywide (meaning Germany) from the following companies:

http://www.ludenbach.com
http://www.techni-gase.de
http://www.fischer-gase.de

A 3 liter tank of nitrogen 2.8 for example costs 75€ + 7.50€ shipping at techni-gase.de. It has a height if 55 cm, a diameter of 10 cm and weighs 4.5 kg. (also available on eBay)

The 5 liter tank from the same dealer costs 109€ + 9€ shipping. It's 58 cm high, has a diameter of 14 cm and weights 11 kg.

At local dealers you can normally assume even lower prices.

Don't worry about being asked what you need the gas for. Nitrogen has so many applications, like filling tires, use as a propellant in fire extinguishers, conservation of works of art, leak detection in pressure lines and not even mentioning the industrial applications, so nobody is going to care about what you're planning to do with it.

Furthermore it's something that can be freely sold and not a controlled substance so that in extreme cases you can just point out to the seller that it's none of their business. I've sent several inquiries to dealers and was never asked for an intended purpose but was always greeted friendly as a new customer.

3. Adapter for connecting the tank to the 1st stage of the diving regulator

For safety reasons, oxygen tanks have different threads than nitrogen or helium tanks. So you don't accidentally connect a diving regulator to a gas tank. Abroad they have a somewhat more relaxed view of this and so you can buy appropriate adapters that allow you to connect the gas tank to the regulator.

Before you order the adapter, you have to decide for helium or nitrogen because the tanks have different threads and therefore require different adapters.


page 7

Both adapters can for example be ordered here:

Helium adapter (also for other noble gases like argon):
Thread adapter pressured air G 5/8" internal thread - noble gas W21.8 internal thread
http://www.tek-diver-shop.de/de/Gew...luft-G-5-8-Innengewinde-Edelgas-W218-Inn.html

Nitrogen adapter:
Thread adapter pressured air G 5/8" internal thread - nitrogen W24 internal thread
http://www.tek-diver-shop.de/de/Gew...uft-G-5-8-Innengewinde-Stickstoff-W24-In.html

Each costs 19.50€ plus shipping.

4. Full face diving mask

To ensure that the regulator's mouthpiece doesn't fall out of your mouth, you can either attach it to your head using a rubber band (like a dust mask) and at the same time wear a clip on your nose and in addition bind a bit of plastic wrap folded to 5 cm width vertically around your head so your chin doesn't drop when your muscles go limp and you don't start breathing secondary air instead of gas...

Or you can do it the right way and use a full face mask like divers use for ice diving.

It looks a bit menacing, but serves its purpose brilliantly. The mouth opening has the perfect fit to take in the mouthpiece of the regulator.

The masks cost about 45€ new on eBay plus shipping. Manufacturers are Cressi-Sub or Poseidon.

Available for example here: http://stores.shop.ebay.de/ww-LM-Trade__W0QQ_armrsZ1

A used one will work just as well though and can be bought for about 30€ plus shipping.


page 8

That's it, now we can start with the assembly


Picture 1:
  • tank
  • full face mask
  • diving regulator
  • adapter
Caption picture 2: Gas tank, to the left the handy package in which it was sent to me, by the way.


page 9

Setup


First you screw the tank adapter onto the tank valve. You can't do anything wrong here because it only fits one way.

Picture: screw adapter onto valve

If necessary, tighten a bit more using a wrench. No great effort is needed since the adapter is equipped with o-ring seals on the inside.


page 10

Then on to the diving regulator: Remove the mouthpiece. If it's secured with a zip tie, first cut that using a knife or scissors. It doesn't matter if the rubber mouthpiece gets damaged during this, we're not going to need it anymore.

pictures:
  • intake port
  • mouthpiece

page 11

Next, put some fat, butter, margarine (or whatever can serve as a lubricant) on the bare intake of the regulator, so it can be inserted without force into the mask's mouth opening. Of course, alternatively you can lubricate the mask's mouth opening a little.


page 12

Now the regulator is screwed onto the other side of the adapter. The threads of the regulator are equipped with an o-rong seal too, so screwing it on hand-tight should be enough.

After that, open the gas tank's valve and test the system for leaks. If we've done everything right, no gas should flow now. (Since gas only flows during breathing.)

If you can hear a hiss somewhere:
Close the valve again and tighten all the screw couplings we just assembled a bit.


page 13

Next we'll check the regulator function. For that, open the tank and press the purge button in the middle of the demand valve. (Looks different for some models but it's present on ALL regulators.) When holding the button down, gas flows through the intake, when releasing it the gas flow stops.

Finally adjust the mask. For that, adjust the straps to you individual head size. The mask should not sit too tight.

Pic: adjust strap length

You can check if it sits right by putting it on, closing the mouth opening with your palm and trying to breathe in. If the mask pulls a little closer to your face due to the underpressure, it's tight enough.

To preserve my anonymity I'll not demonstrate this step.


page 14

That's it


  1. Get into a comfortable sitting position, ideally slightly reclined backwards or lie down.
  2. Put on mask.
  3. Insert intake of the regulator into the mouth opening of the mask
Pic: Insert intake into the mouth opening AFTER putting the mask on

4. Continue breathing normally. Unconsciousness kicks in after a few breaths.


page 15

For myself, I've hereby found the optimal method. My search and also my presence in this forum are over.

Thanks to everyone who looked into the problems of the exit bag method and got me to look into a setup that eliminates my fears and insecurities regarding the reliability of the nitrogen/helium inhalation method.

I'm not acutely suicidal, but finally know what I have to do and how in case I can't or don't want to go on anymore.

I have installed the complete apparatus into a trolley and am thereby capable to realize my idea of a humane, pain free death that meets my ethical requirements everywhere and at any time.

I wish you all the best,
Scrooge
 

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LMFAO FOCKERS

LMFAO FOCKERS

Lost in Aokigahara
May 26, 2019
477
1,215
The news report on the Indian tech guy (the "techie" link) starting at 00:23 seconds states that he was found by his family "bearing a nose mask connected to a nitrogen gas cylinder" and in the video he doesn't appear to be wearing a plastic bag/hood on his head. I wonder if used the typical sort of oxygen mask you can buy through Amazon?
I believe he's wearing a supplied air respirator something like this. The hose looks like its the soft plastic connection I mentioned earlier. These are the types of masks those workers wore in the accidental deaths. This one doesn't have good customer reviews but there are others that look similar and basically do the same thing.


 
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BaronVon

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Feb 24, 2019
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Thanks for taking the time to translate , much appreciated
 
dreamsofdestruction

dreamsofdestruction

Everywhere I look is chaos
May 9, 2019
344
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Still wondering what the best arguments against using the scuba mask setup are.

One that I can imagine is that as your breathing gets shallower towards the end, you might not be breathing in with enough force to make the regulator open its valve, but I think I'll test that myself when I get all the equipment. (Probably going to buy an oxygen tank for that too.)
 
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BaronVon

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Feb 24, 2019
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Dreamsofdestruction , thanks for all your work on this thread, it has been really helpful and informative, since i started thinking about being in control of my ending this has always been my preferred method but there was always some negativity around doing it with a mask instead of the hood.

I feel the mask route would work, i will be purchasing a full face diving mask soon , i can not find on the internet a ice diving mask that would fit the stage 2 regulator, if anyone can i would appreciate a link
 
dreamsofdestruction

dreamsofdestruction

Everywhere I look is chaos
May 9, 2019
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Hmm, what are you having problems with? The model shown in the PDF seems to be readily available, and even though I haven't researched the details yet, it seems to fit most of the standalone regulators that can be found at least from the looks of it...

https://www.ebay.com/itm/IST-M37-R-...ck-Rubber-Diving-Snorkeling-Mask/362223541690

Then there are some more expensive models of masks which seem to come with their own regulators that only fit this specific model.

https://www.ebay.com/itm/Interspiro-Divator-AGA-OTS-MKII-Full-Face-Mask-Silicone-Black/123799141277
 
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BaronVon

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Feb 24, 2019
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Thanks for those , i am uk so been looking on eBay.uk and could not find any , mostly the snorkelling masks available ...

Yes i was looking at purchasing the more expensive one with built in regulator
 
J

jimjoe123

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Jun 13, 2019
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dreamsofdestruction:
I know you chose scuba mask option and bought parts, etc...So I am not trying to change your mind or argue against scuba.
But I been reading about respirator option. It is very appealing. Especially since this is how industrial N2 accidental death happens.
Much simpler than scuba option.
I would like hear from you any negatives? draw backs? about this option. Don't worry you won' hurt my feelings, LOL, Truth rocks.
12239
 
dreamsofdestruction

dreamsofdestruction

Everywhere I look is chaos
May 9, 2019
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Well, it's not like am the expert, I'm just as clueless as everyone else, trying to figure things out and still in the experimental stage. But why not, I can burn some more money on playing around with stuff. Can't take it to the grave anyway.

I'm not sure why it would be easier to set up though. You'd still have to buy a flow regulator, a mask and then you'd have to figure out how to connect them. I've seen that mask before, on first glance it looks like the connector at the end has hose barbs, but it's actually some kind of quick connect system, like you'd have with air tools and a compressor (but probably not the same one). So you'd have to find an air hose that fits it and also fits the hose barbs on the regulator when you cut the other end off. I mean maybe that's not a big deal, but it doesn't seem easier than buying the scuba equipment and an adapter to me.

I'm not exactly sure how it's meant to be used though. Are you supposed to provide a continuous gas flow like you want to do? Or is it an on demand thing like with the scuba regulator? What do they actually connect it to when it's used in the industry?

And what do you mean when you say it's how N2 accidents happen?
 
LMFAO FOCKERS

LMFAO FOCKERS

Lost in Aokigahara
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@dreamsofdestruction @jimjoe123

I think your making it more difficult than it has to be. Buy everything from maxdog or if your worried about price get the pieced from amazon. if the ends dont connect just get a soft plastic hose adapter. its in the video of the techie I posted above. Its also in the YT video Betty does max dog nitro . The only difference is she's using a bag and your using a mask which is much more reliable.
 
dreamsofdestruction

dreamsofdestruction

Everywhere I look is chaos
May 9, 2019
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Well as I said it's not clear to me that you can just feed a continuous stream of gas into the mask, the thing has valves and I'm not sure how it's used in an industrial setting.
 
pane

pane

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Apr 29, 2019
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Well as I said it's not clear to me that you can just feed a continuous stream of gas into the mask, the thing has valves and I'm not sure how it's used in an industrial setting.
This is the main thing that confuses me about using a respirator mask. As you point out, they have "inflow" and "outflow" valves for lack of a better description and I don't know how to address that to use the mask with a nitrogen tank. I've thought that maybe the necessary valves could be filled and plugged with silicone sealer but I don't know if that would interfere with the functioning of the mask in any way.
 
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BaronVon

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Feb 24, 2019
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I think i will be staying with the diving mask as per original post , there is a confirmed cbt using this apparatus and looking at him its looks like it was a very peaceful death
 
J

jimjoe123

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Jun 13, 2019
33
13
And what do you mean when you say it's how N2 accidents happen?
Read this link, thread about using respirator, read post #15. It lists cases where industrial N2 happened breathing directly N2 into respirator by accident.
https://sanctionedsuicide.com/threads/why-not-inert-gas.1236/

I am assuming respirators all basically work the same, Like firefighter with oxygen tank, I see a gas hose connected between mask and tank.
Well as I said it's not clear to me that you can just feed a continuous stream of gas into the mask, the thing has valves and I'm not sure how it's used in an industrial setting.
that's a good question. But I assume respirator intakes whether gas hose or just round screen (center is outlet and two sides are inlet) will allow person to breath.
12255

I'm not sure why it would be easier to set up though. You'd still have to buy a flow regulator, a mask and then you'd have to figure out how to connect them. I've seen that mask before, on first glance it looks like the connector at the end has hose barbs, but it's actually some kind of quick connect system, like you'd have with air tools and a compressor (but probably not the same one). So you'd have to find an air hose that fits it and also fits the hose barbs on the regulator when you cut the other end off. I mean maybe that's not a big deal, but it doesn't seem easier than buying the scuba equipment and an adapter to me.
I got this from EXIT few years ago...
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I can pull off right side and connect air hose. This suppose allow 15 liter/min gas flow.
Not shown but left side has CGA580 connector to gas tank.

But it don't seem hard just to clamp rubber hose (between mask and gas regulator) with metal clamps?
Maybe I am assuming too much here and things not as simple as I see it.
Comments?
 
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J

jimjoe123

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Jun 13, 2019
33
13
Anybody find CGA580 to G5/8 FEMALE to FEMALE in USA?
Like in Germany G5/8 to W24 female to female used by German scuba mask death.
Except Germany uses W24, but in US CGA580
 
dreamsofdestruction

dreamsofdestruction

Everywhere I look is chaos
May 9, 2019
344
630
Anybody find CGA580 to G5/8 FEMALE to FEMALE in USA?
Like in Germany G5/8 to W24 female to female used by German scuba mask death.
Except Germany uses W24, but in US CGA580
It looks to me like the CGA 580 side needs to be male though.