Electric Furnace, Heater, Heating Element manufacturer / supplier in China, offering Standard Type Water-Cooled 304 Stainless Steel Flange: Lab Tube Furnace Use, High Vacuum & High Pressure Rated, Standard + Quick Release Vacuum Flange High Vacuum/High Pressure 304 Ss Flange with Water Cooling for Lab Tube Furnace, Standard + Quick Release Vacuum Flange Laboratory Tube Furnace Water-Cooled Flange - 304 Stainless Steel, High Vacuum & High Pressure and so on.