Compared to alternatives such as regenerative furnaces, initial costs are lesser, there are no valves to be switching back and forth, there are no inner-diameter fans and it does not require a web of gas ducts spread up all over the furnace.
Initial costs are lesser. This is compared to alternatives such as regenerative furnaces. There are no valves to be switching back and forth. This is compared to alternatives such as regenerative furnaces. There are no inner-diameter fans. This is compared to alternatives such as regenerative furnaces. It does not require a web of gas ducts. This is compared to alternatives such as regenerative furnaces. These gas ducts are spread up all over the furnace.