 40 Cu Ft Oxygen Cylinder Tank Cutting Cga 540 Bottle US $119.54 
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Differences between HPA, N2, and Compressed air?
i am looking to switch gases from C02. from what i gather, HPA=N2=Compressed air
so basically are these the same things? i know they all can be stored in the same bottle. i know N2 is nitrogen so it is probobly like 70% n2 and 30% oxygen when i fill up one of these bottles with N2. but if i fill the same bottle up with HPA( i take it that HPA is the exact same as compressed air, just a different name) then the bottle is just filled with pure air? can i buy a tank say for example a 68/4500 tank and fill it will N2 and HPA/Compressed Air? they are basically do the same thing just a little different?
can someone tell me if i am correct with all of this?
thanks a lot
ok check it out
nitrogen and HPA (aka compressed air) are the same now a days, before you used to be able to use nitrogen, and im sure a few people still do, its just been phased out with compressed airs popularity and cost. compressed air is exactly what it sounds like, normal air put through a compresser and pumped into your tank.
you can fill a compressed air or HPA tank with either n2 or compressed air, however you cannot fill a HPA tank with CO2, and vice versa,(you cant fill a Co2 tank with compressed air)
most HPA are capped or rated at 3000psi or 4500psi
all guns that run on co2, can easily run on HPA
guns that run on HPA cannot run on co2 (usually higher end guns or electronic< speedball type guns)
HPA is more conssistent than Co2, and better for your gun, you get less velocity spike, and its safer for the seals and mechanical parts, Co2 turns cold when you fire a lot, and in turn causes water vapor, which is bad for your gun. HPA is especially useful in colder weather, when co2 has a hard time turning to gas in the tank.
both co2 and HPA usually have an output pressure of 800 psi, most guns have regulators to bring the operating pressure down to about 450, low pressure markers have another regulator to bring the pressure down to about 200+ psi. Low pressure HPA is virtually the same, except the output pressure is regulated from the bottle first, usually down to 400psi and lower. most people prefer high pressure tanks for the recharge rate, and more consistent velocity, (fact) you can use a high pressure tank on a low pressure marker, the interal regs are what make a marker "low pressure"
your basically correct on what youve posted, hope this clears any loose ends up, go for a compressed air tank, youll love it
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