Vertical Autoclave with Pressure Control Switch Adjustment Facility is useful for sterilizing the loaded material under a steam pressure of 5 to 20 P.S.L. The Vertical Autoclave has an inner chamber, steam jacket and outer wall which is made of stainless steel and the space between outer wall and steam jacket is filled with high grade glass wool to minimise the temperature loss. The Vertical Autoclave is provided with stainless steel made lid and closed by wing radial type closing arrangement. Vertical Autoclave with Pressure Control Switch Adjustment Facility is made using quality grade raw material which ensures durability of use along with long lasting trouble free service.