Gas booster pump can pressurize gas medium: air, nitrogen (N 2) , helium (He) , neon (NE) , argon (Ar) , natural gas, coal gas, carbon dioxide (CO 2) , carbon monoxide (CO) , nitrous oxide (N 2O) , fire extinguishing agent, methane and propane, alkane gas, hospital respiratory gas (n 2 + O 2) , sulfur hexafluoride (SF 6) ethylene (C 2h 4) , inert gas, etc. . For special gases such as oxygen (O 2) , hydrogen (h 2) , refrigerant refrigerant, corrosive gases, etc. , please specify in advance when ordering for special treatment.