... Specifications1) 100L, 200L, 300L, 400L, 500L, 600L, 1000L stainless steel or carbon steel jacket kettle with tilting, in vertical shapes Capacity ... the double layer structure formed by inside and outside spherical pot; middle layer can add steam to heat. Material:a) ... acid. The machine is equipped with pressure gauge, safety valve or electrical control box. Not only has good-appearance, but also ...