pneumatic tank

**webby** · 10th March 2012, 17:31

got 2 old soda stream co2 tanks from a jumble. would they be any good for a fliper gas tank?

link to pic http://i24.photobucket.com/albums/c9/st ... G_6525.jpg

**Anttazz** · 10th March 2012, 18:57

I'm pretty sure they're banned now.

**jonny** · 10th March 2012, 20:42

For main tank use they have to have an on off valve or adapter. You can take the valves off and they'll make good buffer tanks though

**webby** · 10th March 2012, 21:35

cool, how come there banned?

**jonny** · 10th March 2012, 22:36

Co2 main tanks must have an on/off valve instead of just turning on when screwed in, I believe this is for safety reasons. Are they full bottles?

**maddox10** · 11th March 2012, 05:18

The rules are clear.

9.6 Remote Isolation Valve
Gas cylinders that do not incorporate a valve (for example: the gas is released as soon as the cylinder is screwed into itâ‚¬Å¸s mating pneumatic connection) such as found on disposable welding bottles and â‚¬Å¾fizzy
drinksâ‚¬Å¸ machines must have an additional remote isolation valve accessible from outside of the robot.

In other words, those tanks ain't banned.
But it takes a bit more effort-weight and money wise- to use them

**webby** · 11th March 2012, 21:13

ok so if i put a on/off valve they would be ok, cool

**plargen** · 9th April 2012, 13:31

hi got a quick question on pressure testing as i have an old dry powder extinguisher that has 25bar stamped on the bottom and i only intend to use it up to about 10-11 bar as a reservoir, would i need to get it tested or would i be ok to use it

**maddox10** · 9th April 2012, 16:55

9.7 Rating
All pneumatic components used with pressures greater than 50psi (3.4bar) must be rated/ tested to at least
the maximum pressure available in that part of the system. You may be required to provide documentation/certification to support this.
9.7.1 Custom Components
Custom made components, or parts operating above the suppliers maximum working pressure, must be
independently tested and certified at 120% of the maximum system pressure available at that point.

It seems you should have some documentation stating the parts used are rated at the working pressure or better.