Mahalaxmi Steel Center Titanium cooling coils manufactured by us are efficient, versatile and meet a large range of heat transfer applications. Custom built coils are always available. The type and size of coil you'll need is dictated by several factors including the size of your tank, starting and operating temperature, supply temperature of heating/cooling medium, required heat-up time. Some external factors include surface ventilation, tank solution agitation, tank wall insulation and work load.