November 2017

Maintenance and Reliability

Balanced oil sealing solution reduces lube oil leakage at compressor drive train

Reciprocating compressors use a piston rod connected to a drive train at the crosshead section.

Langela, M., STASSKOL GmbH

Reciprocating compressors use a piston rod connected to a drive train at the crosshead section. A large amount of oil is needed to lubricate the drive train and the crosshead section to ensure proper operation by avoiding fretting between moving parts in contact with one another. Especially when dry running, compressor lube oil can cause serious problems if leakage occurs from the crosshead section into the piston rod packing. Mixed friction conditions will increase the wear of sealing elements and, therefore, decrease the lifetime of the piston rod packing. Oil wiper systems are used to avoid this problem, but the common systems are sometimes not efficient enough, especially at high spee

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