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Cat Introduces Water-Cooled Hazardous Location Engines

Posted on March 19, 2010

Caterpillar Global Petroleum has introduced the C7 ACERT, C9 ACERT and C32 ACERT hazardous location water-cooled manifold engines, designed to meet the requirements of offshore and other hazardous applications where an ignition source from the engine could spark an explosion due to hazardous chemicals or gases in the environment.

The engines were developed to meet the most current land and offshore emissions requirements including EPA Tier 3, EU State 3A and IMO and EPA Marine Tier 2.

Cat's water-cooled exhaust manifold engines feature water-cooled exhausts and turbochargers to maintain lower engine skin temperatures. The reduced engine skin temperature allows the engine to operate in enclosed areas and around hazardous materials. ATEX safety directives require that engine skin temperatures remain below 200° C (T3). In order to comply, the C7 ACERT, C9 ACERT and C32 ACERT ATEX configurations come with software to automatically derate engine power to maintain ATEX T3 skin temperatures in all ambient conditions up to 45°C, said Cat.

The C7 is available with ratings of 153, 172 and 205 kW at 2200 r/min; the C9 is rated 254 kW at 2200 r/min; and the C32 is available at 597, 641, 686 or 820 kW at 2100 r/min.

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