Advantages of using porous plugs in dosing furnaces
 
Cleanliness and homogeneity of the bath
Decrase of oxides in the bath
Good temperature distribution in the bath
More precise temperature control
Advantages in contrast to using stirrers
     - Increased operational reliability
     - Ease of use
     - No additional mechanical wear
     - Less maintenance effort
     - Less time required for cleaning
     - Lower volume of rinsing gas
     - Costreduction
Reduction of the hydrogen content
Density index valves <1 possible
Reproducibility of all settings
Easy to operate and use
   
Installation or retrofit in existing systems possible