Fixed bell-shaped tanks for Parmesan cheese production, working capacity q12, total capacity q13, with whole steam chamber, with copper internal tank thick. mm 3, electrically welded stainless steel external tank thick. mm 3, equipped with the following accessories: n. 1 stainless steel safety valve, n. 1 ring for anchorage to the floor, n. 1 stainless steel internal coil for steam even distribution, n. 1 flanged joint for steam inlet pipe fitting, stainless steel edge.