Bunsen burner with air regulation

SKU: 6800221*LLG
6800221*LLG
Manufacturer: LLG
Bunsen burner with air regulation
Burners according to DIN 30665 cannot be switched off completely. A small flame remains burning even if needle valve or stop cock are turned off. The gas flow shall be disconnected by means of the central stop cock in the laboratory.
Manufacturer:Carl Friedrich Usbeck KG
Article description 1:Bunsen burners propane