Paragraph 4
At any temperature between 15°C and 18°C inclusive, the extinguisher shall discharge gas at such a rate that carbon dioxide equal in weight to 3/4 of the capacity of the container will be discharged in the periods respectively set for them in the following table:—
| Capacity of extinguisher | Period |
|---|---|
| 16 kilogrammes | 30 to 45 seconds |
| 45 kilogrammes | 60 to 90 seconds |