How to fill your airgun from a SCBA tank setup



Author Topic: How to fill your airgun from a SCBA tank setup  (Read 16611 times))

Offline uscbigdawg

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Re: How to fill your airgun from a SCBA tank setup
« Reply #20 on: September 13, 2016, 04:26:16 PM »
Thanks for that info.  Had a good discussion in the chat room with a couple of guys that helped clarify.  Contacted an airgun air tank supplier today and man...I know one guy that I'll never do business with. 

Anyone that has to belittle the quality of products of others as well as badger me in to what a vendor is selling a rifle to me for is completely inappropriate and not an honorable way to do business.  The ego of this was unbelievable. 

New to this game but it's nice to quickly learn who I WON'T be doing business with.

Rich
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Offline Nitro1527

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Re: How to fill your airgun from a SCBA tank setup
« Reply #21 on: September 25, 2016, 08:46:14 AM »
Thank you, Mike!
I'm getting my first PCP airgun this Christmas and your video was both very useful and informative for me! Your "safety" references and practices will be well noted and followed...HPA should be handled with great care and respectful knowledge!

I've just recently purchased my first SCBA composite air tank from Dave M. ("Monroe Air") on another airgun forum. I got my valve/fill assembly from Jimmy K. on this forum. Both of these gentlemen were extremely helpful and knowledgeable with the construction and use of my first PCP fill station assembly. There is a wealth of information here and all you have to do is ask!

Your video then put everything into clear perspective!

Thank you (and Tyler) for helping to put my mind at ease!
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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #22 on: March 09, 2017, 04:33:41 AM »
Thanks for posting this Mike.

If anyone has specific questions about the set up or anything you would like to know about the process for filling guns from a SCBA tank, please do not hesitate to ask!

Tyler

your welcome buddy and again thank you for making that. you did save me the roughly 70 bucks difference with shipping my tank to have the slow fill valve installed.

and ya guys tyler has been a huge help with answering my questions since i got my tank. just know with hpa it is far better to ask rather then not to ask and have a accident because odds are a hpa accident isnt going to be walked away from. maybe rolled away on a stretcher or limped away from at best..
Its been awhile but I was hoping Mike is still around.  Saw the video , nice!

I have a buddy getting into PCP but he balked at the price of a new tank 600 or so.   
I said maybe we can rig up a used SCBA tank for 80.00 with a few years left on it + a cheap connector.

We so far those connectors are not cheap
- Air Hogs has a kit with 2 foot hose for 130.00
- slow flow t3 din 300 (AKA -jubilee valve) replacement valve and gauges 239.00  or 285 with hose
- A valve/gauge called the "Stickman"  is $185.00

They are all similar to the video but I bet you spent way less than that.

So if you could please tell us how much the video set up (not including tank) cost.
And the parts names or where you got them.   I don't know what they are even called so I have clue what to ask if I were to build my own.

 Thanks!
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Offline PatMiles

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Re: How to fill your airgun from a SCBA tank setup
« Reply #23 on: March 26, 2017, 10:31:53 PM »
Thanks for the info gents, even simple tasks such as this can be a little nerve racking the first time when a person has a clue what one misstep can lead to when 4500 psi is involved.
Pat
« Last Edit: March 26, 2017, 10:33:40 PM by PatMiles »
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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #24 on: March 27, 2017, 07:10:58 AM »
Great video, I really like the way the Scott valves work on those SCBA tanks, they're very easy to control the air flow,
I do have a small air venturi gage (ebay $7 deal) incorporated in my fill adaptor. I've got about $80 total into this fill adapter.

Swagelok makes great quality stuff and searching on ebay works great for finding some deals 8)
  • Kalamazoo Mi
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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #25 on: March 27, 2017, 08:53:56 AM »
Great video, I really like the way the Scott valves work on those SCBA tanks, they're very easy to control the air flow,
I do have a small air venturi gage (ebay $7 deal) incorporated in my fill adaptor. I've got about $80 total into this fill adapter.

Swagelok makes great quality stuff and searching on ebay works great for finding some deals 8)

Thanks Wayne52!   I was going to ask how well the flow valve worked on a SCBA.  I have that slow flow din valve on a shark tank.    They cost like 280.00 and was trying to get a buddy set up cheaper using scba.   

Can you take a pic of your tank so I can see how the entire set up looks?   
I'm wondering if a 90 degree might help keep it more compact vs hanging off the tank so far.
Or maybe using a quick disconnect like my shark tank has.  That way you can lug it around without worry of snapping or bending the head.  See photo.

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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #26 on: March 27, 2017, 09:33:38 AM »
The most expensive part on my fill adapter is the inline 1/4" npt Northshore bleeder, the CGA347 adapter I bought on ebay for about 15 dollars, the swagelok cross (1/4"npt female) I found on ebay for about $15, the two stainless 1/4"npt male 1/8" npt female reducers were $5 at a local industrial place and finally the gage I bought on Ebay was only $7.

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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #27 on: March 27, 2017, 09:58:46 AM »
Thanks Wayne, not too bad for 80.00.   I am just looking at options for a buddy.   Can get free fills at the local fire department or 10.00 at the scuba shop.     

I like having the quick connect coming right off the bottle like in the photo because I never have to unscrew anything from the tank for fills.   They just hook up to the foster fitting and fill from there.

I figure the fewer times I unscrew from the main tank the less likely it is to develop leaks or wear and tear on the threads.   Just unsnap the hose via quick disconnect and its read to fill or travel.

I'm wondering if putting a male quick disconnect on the CGA347 fitting would be feasible.   So would be snapping on the part with the gauge for gun filling and disconnecting it for travel, leaving the CGA347 attached to the bottle all the time.

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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #28 on: March 27, 2017, 10:19:17 AM »
Thanks Wayne, not too bad for 80.00.   I am just looking at options for a buddy.   Can get free fills at the local fire department or 10.00 at the scuba shop.     

I like having the quick connect coming right off the bottle like in the photo because I never have to unscrew anything from the tank for fills.   They just hook up to the foster fitting and fill from there.

I figure the fewer times I unscrew from the main tank the less likely it is to develop leaks or wear and tear on the threads.   Just unsnap the hose via quick disconnect and its read to fill or travel.

I'm wondering if putting a male quick disconnect on the CGA347 fitting would be feasible.   So would be snapping on the part with the gauge for gun filling and disconnecting it for travel, leaving the CGA347 attached to the bottle all the time.


I've got two of the 1 hour tanks, when I got them filled the last time I have a male foster fitting rigged up on the other one.  I've thought about getting a stainless CG347 from Northshore compressors, they're mighty pricey (right around $50) but for putting them on and taking them off you can do it by hand, they're nicely knurled for hand tightening.  On the fill adapter I just plug a double male foster fitting that I bought from PA for filling

  • Kalamazoo Mi
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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #29 on: March 27, 2017, 10:30:29 AM »
Yes!  Nice!.   You have all the answers.   

On the brass fitting, does that pipe coming off have to be that long?  The shorter the better, waste less air bleeding after a gun fill.    But yea exactly what I was talking about.  Thanks!

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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #30 on: March 27, 2017, 10:56:30 AM »
Yes that CGA347 nipple does need to be that long for tightening whatever fitting you'll be putting on it, the CGA nut is big and it needs to clear the spot where you tighten it up.
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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #31 on: March 27, 2017, 11:03:51 AM »
Also the other day I was talking with Terry (the guy that owns the dive shop that I go to) and he was telling me that the brass CG347's are made from
much harder brass, anytime you use brass for high pressure like this you need the hard brass that's the right alloy.
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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #32 on: March 27, 2017, 11:09:30 AM »
Yes that CGA347 nipple does need to be that long for tightening whatever fitting you'll be putting on it, the CGA nut is big and it needs to clear the spot where you tighten it up.

What about this?  Would be shorter by 3-4 inches.

« Last Edit: March 27, 2017, 11:12:21 AM by RAJOD »
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Online Wayne52

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Re: How to fill your airgun from a SCBA tank setup
« Reply #33 on: March 27, 2017, 01:33:17 PM »
You would have to find a foster fitting that would thread onto 1/4" npt.  There's different sized foster fittings too.
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Offline RAJOD

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Re: How to fill your airgun from a SCBA tank setup
« Reply #34 on: March 27, 2017, 10:45:27 PM »
You would have to find a foster fitting that would thread onto 1/4" npt.  There's different sized foster fittings too.

Yea lots to learn on the parts for sure.  What are the sizes that come with most airguns and my shark tank.  That is the size I would shoot for although I don't know what that size is.   Seems to be kind of a semi standard for PCPs.   

- Amazon china special 40.00 (nope just too risky)
- home made - 80 -100.00 depends on the parts, fosters etc, what micro line to use
- Stickman - 175.00
- AirHogs - 160 ish
- airtankforsale - A bit more expensive but seems to have high quality parts, no skimping if anything overkill vs the others.    I like their jubilee Din valve but its 280.00 and would be tossing out a perfectly good SCBA valve to use it.
they have a SCBA like the stickman for similar price I think.

I like the stickman as its very compact but Airtanksforsale seems a little beefier.

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Offline Back_Roads

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Re: How to fill your airgun from a SCBA tank setup
« Reply #35 on: April 08, 2017, 01:05:04 AM »
 Another thing one may consider is the retained resale value of quality parts , and their longevity.
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