A 92 MW cogeneration power plant fueled by natural gas utilized two 46 MW gas turbines that required fuel gas treatment and preheating for increased efficiency. Since the plant has a hazardous area classification as a Class 1, Division 2, Groups C & D area, they needed two separate electric startup heater skids that met all safety standards. The heaters also needed to provide 50°F temperature rise for 20,000 lbs./hr. of natural gas rated at 710 PSIG. - Chromalox provided two 220 kW GCHI series circulation heaters with SCR panels mounted and wired on a common skid. The heaters and panels were designed specifically for the plants hazardous area classification including a Z-purge in the SCR panels to contain the threat of sparks.

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