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how to link two air bottle's

southernP8nt

Active Member
Aug 20, 2008
313
63
38
Could you not just have both tanks on you, only have one connected up via remote line, and once that first tank is out of air swap the line over to the other tank?
 

Random Invert

Well-Known Member
Oct 27, 2008
1,286
138
98
N.Wales - Wrexham
www.outpostpaintball.co.uk
Running the regulator output of one into the full nipple of the other will give you around 800 psi, but the input nipple will begin at the full pressure of the cylinder - 3000 or 4500 psi.
A bit of a dodgy rig there. Best you can hope for is the main cylinder feeds your marker until the pressure drops to around 800, at what point the regulated output of the other cylinder equalises and feeds the main cylinder.
But the worry would be how the regulator and feed line will cope with psi in the thousands
surely if the pressure is greater in bottle "two" then it would keep the fill nipple sealed until the bottle pressure drops below the fill whip pressure of 800psi?
 

emisnug

"I am Become Death, squeegier of Worlds"
Oct 10, 2011
795
222
78
Middle of bloody Nowhere
If you wanted something that you could knock up in your back yard - why not just have the two bottles going to a common output (i.e. your remote link) with a couple of gas valves? Simple, although probably wouldn't handle much over 900PSI
 

BDN

Active Member
May 24, 2008
215
23
28
NW England
A twin-set is sometimes used by divers, so it isn't that difficult, with some of the cylinders charged to 300 bar. The cylinder regs connect to a metal pipe, with the single line coming off it to the demand valve, or in your case, paintball reg.
To reduce strain on the cylinder regs & connecting metal pipe, a spacer is placed between the cylinders with metal bands around the cylinders to keep them together. You may need to manufacture these items yourself as I haven't seen this set-up using small cylinders eg 1.5 litre bottles. Have a look at some dive shop websites for a general idea of what's needed.
 

Rebel Tackleberry

Well-Known Member
Mar 23, 2010
122
99
53
There is a 90 degree ASA adapter you can get from RAP4 which has a male and female ASA thread plus a self sealing nipple. It's designed so you put between your marker ASA and bottle, with the ability to then connect a remote line from a second bottle when the first is empty.

But...

If you fitted this onto the bottle end of a remote line with slide check (or better still a psiworx line) it would give you a nipple on the 800psi side of your reg. Therefore you could connect a standard remote line from a second bottle to this nipple and effectively feed 2 bottles into a single remote to your marker.