Product features 1. Laser cutting of high-strength steel plates with high precision Reliable and flexible operation; 2. Rotary shaft ammonia spring support, labor-saving for opening and closing doors Lightweight; 3. Double layer high-strength steel armor, inner layer steel armor with open air Flow guide hole, guiding the high-speed gas when the gas cylinder ruptures Flow, effectively preventing gas cylinder fragments from injuring people; 4. Imported door closing inflation valve, located in the explosion-proof inflation box When the door is open, even if the inflation valve is open, the gas cylinder will not Can inflate, only when the box door is closed can the gas cylinder be filled Prevent accidental operation with gas; 5. Imported pressure reducing valve, no matter how high the gas source pressure is, can Adjust the working pressure of the gas cylinder to the required level Work pressure to prevent cylinder overpressure.