
150-220 Bar Light Air Driven Oxygen Gas Booster Pump for Diving Gas Pressure Test Gas Filling. Explosion-Proof Safety: No spark, flame, or heat generation; safe for dangerous environments. Auto Pressure Control: Stops automatically when preset pressure is reached; maintains pressure. Energy Efficient: No energy expenditure during pressure holding; no dissipated heat. Wide Gas Compatibility: Suitable for Oxygen, Nitrogen, Argon, Helium, CO2, and more. High Pressure Output: Max outlet pressure up to 320 bar with 40:1 pressure ratio. Durable Construction: All pipes and fittings made of stainless steel for long life. Adjustable Pressure: Output pressure proportional to driving gas; easily adjustable. Compact & Lightweight: Small volume, light weight (38 KG), easy to install and move.