Water cooled reciprocating compressor ELGI

Elgi is the first and only Indian manufacturer chosen by Indian Railways for indigenization of compressors for GM ( General Motors) Locomotives. The newest compressor developed for Indian railways is the RR66101 W, a two stage W type reciprocating compressor with forced lubrication and water-cooled stages. The compressor has a discharge pressure of 140 psi and a free air delivery rating 190 cfm at 900 rpm.

The complete design and development was done in-house in compliance to DFSS specifications. Three compressor have been validated for 3000 hours of continuous running as a part of the functional qualification test. Further, three compressors have been validated over a period of 50 hours running under the temperature of 80 degree celsius to satisfy the operating environment specifications. The Indian Railways has placed an order worth Rs.30 million for the supply of water-cooled compressors.

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