* Minisize cartridge cylinder ,adopt quality carbon steel ,all in one pressing and drawing

* Filled with requested gas then sealed with quality diaphragm

* Gas of discharging by destroy of the diaphragm

* Size : 12g,16g,17g ,28g , 33g,38g,65g

* Thread : 3/8-24UNF, 1/2-20UNF, 5/8-18UNF

* Working pressure under normal temperature30 degree: 60kgf/cm2

* Burst pressure kgf/cm2: ≥540

* Working temperature degree: ≤60