July 2002

Trends and Resources

HP Impact: New API specifications for compressors

Upcoming revisions to API specifications will greatly simplify specifying integrally geared (IG) compressors (in fact, all centrifugal / axial compressors) for all services. So says Carl Schwarz, mech..

Weirauch, Wendy, Hydrocarbon Processing Staff

Upcoming revisions to API specifications will greatly simplify specifying integrally geared (IG) compressors (in fact, all centrifugal / axial compressors) for all services. So says Carl Schwarz, mechanical / design manager for Atlas Copco. Previously, purchasers were forced to rely heavily on API 672 (Packaged Integrally Geared Compressors for Air Service). For other, more critical service API 617 (Centrifugal Compressors for Petroleum, Chemical, and Gas Service Industries) was invoked. Because API 617 (6th edition) only addressed inline (beam-type) centrifugal compressors, design features specific to IG compressors (such as gearbox, mounting or driving) were not addressed. Consequently,

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