Tilting-Type & Vertical Sandwich Boiler jacket heating, the liquid out from the bottom of boiler, meet up with GMP standard. Titling-Type&VerticalSandwich Boiler (Jacketed kettle, jacketed vessel, sandwich boiler) Main usageThis product is an atmospheric open extraction or concentration boiler,is composed of boiler inner ntainer,shell and support.Put crude drugs or soup into the boiler,make steam ...