Non-Crucible Holding Furnace (Energy Saver) Capacity: 500 - 1500 kg.Customize service is available in a full range of sizes. Advance design Advance lining materials design without crucible, available in U type and I type. Energy Saver Low energy consumption. Low Cost Low maintenance required. Superior Quality Superior molten aluminum alloys quality. Security design Automatic digital temperature control system and over heated alarm system. Furnace Shell Solid sturdy steel shell.