Triple walled construction, inner and Outer SS, hydraulically tested up to 40 psi. Fitted with Pressure gauge and automatically pressure Switch, safety valve, Steam release valve, separate Boiler made of SS, Adjustment pressure 10-20 psi, Fitted with Vacuum breaker separate valve for injecting the steam in to the main chamber and releasing the steam out. Automatic low water. cut-off device fitted. Supplied with neoprene rubber Gasket and Digital temp controller and Timer. Unit is Fitted On heavy Duty balanced Frame Sterilizing Temp.: 121°C Sterilizing Pressure 17 psi to 22 psi. To work on 440 Volt AC 3-phase supply.