Here's some information about this type of burner:
Construction:
It's typically made from high-quality cast iron steel, designed for durability and to withstand rigorous use, especially in outdoor or catering settings.
Burners:
The multiple concentric rings of holes are part of the "key burner" design, providing powerful and even heat distribution for efficient cooking.
Versatile Use:
This type of burner is suitable for various applications, including outdoor cooking, catering events, camping, and backyard barbecues.
Fuel Compatibility:
These burners are often designed to be compatible with LPG (Liquefied Petroleum Gas) and some models can be converted to use natural gas.