Sterilizer is the use of saturated pressure steam on the items for rapid and reliable disinfection and sterilization equipment for medical and health care, scientific research, agriculture and other units. Sterilization of medical equipment, dressings, glassware, solution media, etc., also applies to the plateau area for steaming equipment and enterprises and institutions to produce high-quality drinking water, but also as a source of high-temperature steam production equipment.1 HVE-50 is an economic improvement of the HV series, which is the same as HV-50 in terms of size, sterilizing capacity, and many of the sterilizing parameters.