November 2014

Special Report: Plant Safety and Environment

Consider true zero-emission packing for reciprocating compressors

Especially when handling hydrogen, reciprocating compressors must provide ruggedness, operating flexibility and energy efficiency at pressures up to 3,000 psi (200 bar).

Lindner-Silwester, T., HOERBIGER Kompressortechnik Holding GmbH

Reciprocating compressors are essential machines in refineries. Especially when handling hydrogen, reciprocating compressors must provide ruggedness, operating flexibility and energy efficiency at pressures up to 3,000 psi (200 bar). Reciprocating compressors are also widely used to boost pressure in natural gas pipelines. Piston-rod sealing is a key factor in the efficiency and reliability of reciprocating compressors. Yet, conventional compressor packings, no matter how elaborate, always leak to some degree. Leakage can bring significant financial costs, in terms of both the value of lost product and the cost of nitrogen for purge systems. Likewise, the environmental and regulatory cons

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