| Item | QMD15/90 | QMD20/82 |
| Operating temperature range(ºC) | -10~+50 | |
| Decompression mode | Decompressor | Pressure reducing valve |
| Storage pressure of fire extinguishing agent cylinder assemblies (+20ºC)MPa | f15 | 20 |
| Maximum working pressure of fire extinguishing agent cylinder assemblies (+50ºC)MPa | 17.2 | 23.2 |
| Fire extinguishing agent bottle assemblies specifications (L) | 90 | 82 |
| Filling capacity of extinguishing agent (Kg) | 16.8 | 19.2 |
| Actuator cylinder specification(L) | 8 | |
| Storage pressure of actuator cylinder(+20ºC)MPa | 6.0 | |
| Maximum operating pressure of actuator cylinder (+20ºC)MPa | 6.6 | |
| Working voltage(V) | DC24 | |
| Working current(A) | 1.5A | |
| Spraying time(S) | ≤60 | |
| Starting method | Automatic, manual, mechanical emergency | |
| System type | Unit independent, combination distribution, prefabricated type | |