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Updated on January 17, 2017
bmd
Participant
January 17, 2017 at 2:29 pm
Q:

Carbon fiber tank from Ali

Is it safe to use carbon fiber tanks and valves from aliexpress?

I ordered these two but I`m not shure if it is safe to use or if I should send them for pressuretest first.

https://www.aliexpress.com/item/AAA-Quality-High-Pressure-2L-Cylinder-Compressed-Air-Cylinder-Oxygen-Medical-Tank-Cylinder-PCP-Paintball-Tank/32698229709.html?spm=2114.13010608.0.0.UDZyud

https://www.aliexpress.com/item/2016-Hot-selling-high-quality-stainless-steel-ball-valve-functional-stainless-steel-butterfly-valve-valve-ball/32723457140.html?spm=2114.13010608.0.0.UDZyud

Compressors, tanks and pumps

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Viewing 15 replies - 31 through 45 (of 47 total)

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cricket
Participant
March 7, 2017 at 5:22 am

I use a Best fittings Fill kit. The thread is standard M18x1,5

lars-atx
Participant
March 7, 2017 at 1:24 am

so the valve on top is a std Joe B/Jubilee/Scuba thread? Or do I need something special?

I was about to pull the trigger on a Ninja tank, but then realized some of their valve are lower pressure, and I’d have to get a special one from them.

cricket
Participant
February 7, 2017 at 5:32 am

Got mine, very high quality :8:

mjp
Participant
January 19, 2017 at 6:31 pm

Yeah, no problem.

cricket
Participant
January 19, 2017 at 7:44 am
quote MJP:

Paintball bottles have different thread it’s 5/8 -18 unf opposed to breathing air 18×1.5mm

I didn’t know that, thanks for the info. I guess that’s the thread “The Priest” uses then.

mjp
Participant
January 19, 2017 at 6:11 am

Paintball bottles have different thread it’s 5/8 -18 unf opposed to breathing air 18×1.5mm

cricket
Participant
January 18, 2017 at 3:23 pm

I have a hose like that on my 12L bottle at home, but for a backpack fill kit I wanted something a bit more sturdy and tough.

bmd
Participant
January 18, 2017 at 2:52 pm
quote Cricket:

That is the one I have on my 0,5L bottle. that is a good one and not too big but a bit expensive. The bleed push button is ok but difficult to bleed off quietly… Not a big issue for me.
Maybe I vill buy one more valve from there and a 1.1L from Ali

I bougt this hose for my big tank at home. Very nice and thin flexible hose. http://www.bestfittings.co.uk/shopexd.asp?id=560

cricket
Participant
January 18, 2017 at 2:24 pm

What do you mean? They all have that thread, every link in this topic has that thread

mjp
Participant
January 18, 2017 at 1:43 pm

It’s not the same as paintball thread, it’s 18×1.5mm

cricket
Participant
January 18, 2017 at 1:37 pm

I have this one http://www.bestfittings.co.uk/shopexd.asp?id=619

Very happy with it, had it for a while, but I have upgraded the hose to this longer one so I can tether the gun as well as fill it. http://www.bestfittings.co.uk/shopexd.asp?id=187

This one look really nice with a bleed screw instead of a bleed push button but not sure if it is a bigger unit? The other one I have is called “mini cylinder Valve” wich is why I bought it. And it is nice and small.
http://www.bestfittings.co.uk/shopexd.asp?id=577

bmd
Participant
January 18, 2017 at 12:14 pm

I think you vil be happy with the 1.1L. Thank you for the link. I will order that one next time. I suppose the treads are the same on the paintball bottles as on the bottles made for breathing? What valve did you buy for your bottle?

cricket
Participant
January 18, 2017 at 11:19 am

Cool, I have a 1.1L on order, it is in the mail and will be used as a backpack fill kit. I thought the 2L wa a bit heavy for me so I took the 1.1L wich weighs 0.99kg empty. It cost a lot more though, but it is pressure tested for 500 BAR and I thought it was worth it. So far, no regrets.

Link: https://www.aliexpress.com/item/High-Quality-SCBA-Cylinder-Carbon-Fiber-Cylinder-Small-Composite-Bottle-PCP-Cylinder-1-1L-1100CC-Free/32669298036.html?spm=2114.01010208.3.1.1j54Km&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10000009_10084_10000025_10083_10000029_10080_10082_10081_10000028_10110_10111_10112_10060_10113_10062_10114_10115_10056_503_10055_10054_10059_10099_501_10078_10079_10000022_10000012_10103_10073_10102_10000015_10096_10000018_10000019_10052_10053_10107_10050_10106_10051,searchweb201603_1,afswitch_5,single_sort_2_default&btsid=44932b5c-e4ed-4fa7-8657-6ea63f52b1ec

I just found this one as well, much cheaper: https://www.aliexpress.com/item/Hot-Sale-1-1L-Carbon-Fiber-Paintball-Cylinder/32760055609.html?spm=2114.01010208.3.9.lZAGnn&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10000009_10084_10000025_10083_10000029_10080_10082_10081_10000028_10110_10111_10112_10060_10113_10062_10114_10115_10056_503_10055_10054_10059_10099_501_10078_10079_10000022_10000012_10103_10073_10102_10000015_10096_10000018_10000019_10052_10053_10107_10050_10106_10051,searchweb201603_1,afswitch_5,single_sort_2_default&btsid=44932b5c-e4ed-4fa7-8657-6ea63f52b1ec

bmd
Participant
January 18, 2017 at 11:03 am

That was my plan. But I already see it is a bit too large. I would recommend a smaller one. Maybe 1 or 1,5 if you can find it. I could`t find any smaller , only 0,5L so maybe the best is one or two 0,5L. I already have a 0,5L steel bottle but wanted a bigger but not so heavy bottle to carry in my backpack.

cricket
Participant
January 18, 2017 at 9:33 am

That’s only 2L, are you going to have it with you in the field? If so, let me know how you feel about the weight and size when you get it.

Viewing 15 replies - 31 through 45 (of 47 total)

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