Precision Stainless 75 Liter (20 gallon) Jacketed 316L Stainless Steel Vacuum/Pressure Kettle with bottom entering agitation, NB 5020. Full vacuum/15 PSI internal pressure, 100 PSI jacket maximum pressure, 1/2 HP (3/60/230-460V) bottom entering agitator, quick swinging cover clamps/bolts.