• Air regulation, needle valve • Sensor cuts off gas supply if flame goes out • In accordance with standard 30665, the gas inlet of DIN laboratory nozzles cannot be completely closed. A small flame persists even when the gas valve or needle valve is closed. The gas supply must be shut off at the central laboratory tap
• Air regulation • Needle valve • 1/4" notched connection left • Sensor cuts off gas supply if flame goes out • In accordance with standard 30665, the gas inlet of DIN laboratory nozzles cannot be completely closed. A small flame persists even when the gas valve or needle valve is closed. The gas supply must be shut off at the central laboratory tap