Introduction to TF Series A-type Self suction Filter Gas Mask Half Mask

TF series A-type self-priming filter gas mask half mask

      The gas mask is a self-priming filter type half mask, which is mainly composed of a mask body, a filter element (a gas filter box), an inhalation valve, an exhalation valve and a headband. The mask body is made of plastic injection molding, which has high temperature resistance, aging resistance, and good weather resistance. It can closely match with the face, and is comfortable to wear. The protective performance is reliable. The headband can be adjusted as needed. The bayonet assembly design makes installation and disassembly convenient and fast. The chemicals inside the filter element can be replaced, with low resistance and light weight. Various models of filter elements can be selected according to protection requirements.

Technical requirement

Anti gas time: The anti gas time of TF series A-type self-priming filter half mask is determined based on the performance of the selected filter element model.

Exhalation resistance ≤ 50Pa (30L/min)

Inhalation resistance ≤ 20Pa (30L/min)

Binocular field of view ≥ 65%, lower field of view ≥ 35 °

Mask leakage rate ≤ 2%

Breath valve airtightness: When the exhalation valve is depressurized to -1180Pa, the time for the half face mask exhalation valve to return to normal pressure should not be less than 20s