Bunsen burners with needle valve

el código: 9018361*LLG
9018361*LLG
fabricante: LLG
Bunsen burners with needle valve
DIN 30665. Air regulation.
Manufacturer:Carl Friedrich Usbeck KG
Article description 1:Bunsen burner for natural gas
Article description 2:air regulation and needle valve
Article description 3:DIN-DVGW-Reg.-Nr. NG-2211AN0134