．Materials of cylinder: Aluminium alloy, or carbon fiber

composite.

．Structure: Refillable cylinder,transparent hood,valve and

pressure gauge assembly,breathing tube and regulator.

．Application: Keep workers from poison gas ,frog and

Oxygen-deficiency situation while emergency in the fields of

petrochemical,metallurgical industry, hotel and entertainment spot etc.

．Advantage: Safety,lightweight and convenient for carry,

the unit can be worn over shoulder, around neck or around

waist. The hood is designed to be frog-free while keeping

a clear and broad visibility.The hood can be taken off for

cleaning and replacement.

．Specification GB,EN,DOT,ISO

Duration: 5minutes~25minutes .

Average air flow : 30 liter per minute.

Working pressure: 30Mpa

Gas capacity:   ≤3L

Weight of unit: ≤4Kg

Size:  ≤550 x ф150mm