July 2018

Columns

Reliability

With certain turbocompressor designs having changed as manufacturers and user-clients constantly push to increase output and efficiency, it pays to know if—and how—high-performance couplings (HPCs) have kept pace.

Bloch, Heinz P., Hydrocarbon Processing Staff

With certain turbocompressor designs having changed as manufacturers and user-clients constantly push to increase output and efficiency, it pays to know if—and how—high-performance couplings (HPCs) have kept pace. We know that changes in shaft-end configurations have presented both challenges and opportunities for couplings manufacturers. Having reported on diaphragm couplings and keyless hub developments 42 yr ago,1 the entire subject is still of special interest to the author of this column.  Almost 40 yr have passed since Houston-based FlexElement Texas began producing HPCs in 1980 under the Centritech and/or Centriflex names. The company is still among the relatively few that combine de

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