In API617, in which chapter are the requirements for the transverse critical speed specified?

2017-08-15View Original

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I’m seeking help from experts: on which page of API617-2002 are the requirements regarding the lateral critical speed of centrifugal compressors specified in the standard? What is the entry number? Thank you all!

Reply #22017-08-17

Part 1: General Technical Requirements 2.6.14 API Publication 684 contains detailed guidelines for the various sections of the API standards related to rotor dynamics and balancing: an introduction to transverse critical speed, shaft torsional vibration analysis, and rotor balancing – 1st edition, February 1996. Part 2: Transverse critical speed, including those values that are above the maximum allowable speed as well as those that are close to this maximum value (see 2.11.2.1).

Reply #32017-08-17

Thank you for the answer, but this entry isn’t in 684; it’s only in 6.11

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In API617, in which chapter are the requirements for the transverse critical speed specified?

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