Horizontal Double Walled Cylindrical Sterilizer has a stainless steel made double walled with steam jacket and separate boiler, mounted on heavy-duty stainless steel square hollow framework with levelling screws. The Cylindrical Sterilizer is designed with pressure gauge, alarm and timer, water level indicator, steam release valve, vacuum breaker, automatic low water cut-off and automatic pressure control switch. Has radial locking door to provide maximum safety to the operator and material. The Cylindrical Sterilizer is designed with a stainless steel hinged door that has a radial locking device which gets disengaged, while the sterilizer is under pressure. The Horizontal Double Walled Sterilizer Cylindrical Sterilizer has sterlizing temperature at 121 ° c and sterilizing pressure ranging from 1.2 to 1.5 kg per/ cm2.