Top quality Taco Liquid to Liquid Heat Exchangers are designed and constructed in accordance with ASME Section VIII and completely fabricated in-house. They feature U-tube construction and a wide variety of materials to meet the specific demands of your application. For example, steel is used for standard shells, but 304ss and 316ss are optionally available. Standard heads are cast-iron, but optionally available materials include fabricated steel, cast bronze and fabricated 304ss or 316ss. In addition, tubes, tube sheets, separators and tie rods are all available in optional materials.