ELS - natural gas, air, oxygen
 
Three row drilling, depending on the execution,
suitable for the operation with gas and air or gas,
air and oxygen, completely supplied with height
adjustable stand on heavy cast iron foot. Flame
width could be individually adjusted via two bars.

Advantages:
· variable heating capacity of burners, as an
  operation with and without oxgen is possible
· flame range adjustable via limiting bars
· homogeneous flame, low-noise working
  method