gas cylinder Aluminum Alloy Seamless Gas Cylinder is featured for some unique strong points.Its weight is lighter than general steel cylinder by 40%,its ... ,fire extinction,beverage dispensing and storage of high purity standard gas.Specification: Outside diameter(mm): Service pressure(Mpa): 15Mpa-25MpaCapacity ... ): 0.2,0.28,0.4,0.5,0.7,1,1.4,1.5,1.6,2.0,2 ... .5,3.0,5.0,6.0,7.0,8.0,10,12,13.4,15,20, ...