Sterilizing pressure=1.2kgf/cm2 (15 psi) at 121C, Operating pressure= from 15 psi to 22 psi (adjustable) Power supply=220x230V AC, 50/60 Hz, Pressure Vessel= SS 304 Grade Stainless Steel, External Wall=SS 304 Grade Stainless Steel, Top Lid=SS 304 Grade Stainless Steel Basket= SS 304 Grade Stainless Steel