General kettle specifications (industrial practice) include:
– **Material**: Stainless steel (304 / 316L), thickness varying by size
– **Heating jacket**: Steam, electric, or thermal fluid jacket, sometimes double or triple jacket layers
– **Capacity**: From small bench to hundreds or thousands of liters
– **Tilt or fixed design**: Some kettles are tiltable for easy discharge; others remain stationary
– **Agitation / mixing**: Optional agitators, scrapers, or internal baffles
– **Pressure rating**: Low to moderate pressure for jacket, atmospheric or mild positive inside
– **Ports / nozzles**: Inlet, outlet, vent, instrumentation ports
– **Controls**: Temperature sensors, steam control, safety devices
– **Standards / certifications**: Food contact (FDA, etc.), pressure vessel codes if applicable