GTM-B Type filler for CO₂ fire extinguisher is special equipment for filling MT2-MT7 portable extinguishers with CO₂ extinguishants automatically. It makes a comprehensive use of electronic, electric, and mechanical techniques and renders the whole filling processes safe, reliable, simple in operation, accurate in filling quantity and highly efficient.

II. Main Technical Parameters

1. Error Table for Filling Time and Quantity of the Filler

2. Working Temperature and Pressure Parameters of the Thermostat of the Filler

A. Thermal uniform temperature is controlled in the range of 38℃–45℃ with a pressure of 9-10Mpa, heater power of 6KW and voltage of 380V.

B. Cold uniform temperature is controlled in the range of –5℃—5℃with a pressure of ≤7Mpa and power source voltage of 220V.