Active Chemical Systems, Inc. is a leading provider of both new custom manufactured heat exchangers as well as heat exchanger repair services since 1971; specializing in graphite plate heaters, graphite block, as well as tube-in-shell heat exchangers.

**Product Categories**

• Cooling Heat Exchangers
• Distillation Heat Exchangers
• Extended Surface, Plate-Fin Heat Exchangers
• Gas-to-Liquid Heat Exchangers
• Graphite Heat Exchangers
• Heating Heat Exchangers
• Liquid-to-Liquid Heat Exchangers
• Pasteurizing Heat Exchangers
• Plate (without frame) Heat Exchangers
• Preheating Heat Exchangers
• Reacting Heat Exchangers
• Steam-to-Gas Heat Exchangers
• Steam-to-Liquid Heat Exchangers
• Tubular, Shell & Tube Heat Exchangers