How long is the fire extinguisher valid

The effective period and maintenance period of fire extinguishers can be referred to as follows: 

1. Limited period

   1.1 The effective period of carbon dioxide fire extinguishers is 12 years;

   1.2. The effective period of dry powder fire extinguisher is 10 years;

   1.3. The effective period of water-based fire extinguishers is 6 years.

   2. the maintenance period 

     2.1. The water-based fire extinguisher has expired for 3 years, and should be repaired every 1 year after the first maintenance; 

     2.2, carbon dioxide, dry powder fire extinguisher factory expires 5 years, after the first maintenance should be sent to repair every 2 years.