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MDG1.7 nitrogen gas N2 filling machine for fire extinguisher


  • China (Mainland)


  • MDG1.7

  • Refiller

  • Export standard packaging.

  • About 15 days.


N2 filling machine:
1.simple operation.
2.high efficiency.
3.great precision of filling pressure.


N2 filling machine:

MDG1.7 nitrogen gas N2 filling machine for fire extinguisher:

MDG1.7 N2 filling machine can be used for filling nitrogen to cylinders to be pressurized by nitrogen in the
manufacturers of fire fighting equipment. For instance, after the cylinder is filled with dry powder, inactive gas-nitrogen has to be filled for pressurization. When the dry powder cylinder is used for putting out a fire,the dry powder will be sprayed quickly to the flame together with the pressurized nitrogen to extinguish the fire promptly.

The filler is made up of the constant pressure control filing system and features safety and reliability, simple operation, high efficiency and great precision of filling pressure. Therefore it is an ideal filling device for manufacturers and maintenance works of fire fighting equipment at present.


Filling pressure:1.7mpa

Schematic Diagram for Operation

1.Filling port 2. Set manometer 3. Admission manometer

4. Filling indicator light   5. Power indicator light   6. Voltage meter   7. Gas inlet 8. Filling off 9. Filling on   10. Power switch  

11. Magnetic valve 12. Valve 

Spare parts of MDG1.7 nitrogen gas filling machine