... , air dryers, and cooling towers. HOT ENAMEL HEATING & HOLDING KETTLESLuHuan’s Hot Enamel heating and holding Kettles are skid-mounted, ... heating. Agitators equipped with sweep type blades keep the enamel materials properly mixed and suspended. Inspection covers and loading ... valves are included. The (hot enamel delivery) truck to tank transfer includes a hot enamel pump, preheating system, gear box, ...