... pressure pipe of gas/fuel proportional valve (4). The opening of electric butterfly valve ... Kisawa-IFT Series Auto-ignition and Detection Controller, Japanese Ito Gasifier Medium & High ... furnace combustion systems, like Trolley Furnace, Walking Beam Furnace, Roller Hearth Furnace, Ring Furnace, Horizontal / Vertical Galvanizing Annealing Furnace, Mesh Belt Furnace, Bell-type Furnace, etc. In line of ...