Bunsen Burner Natural gas, DIN type stop cock, pilot flame, air regulation

Bunsen Burner Natural gas, DIN type stop cock, pilot flame, air regulation
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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.
(-) Tekninen tieto:
Polttoaine: Erdgas

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