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  • Writer's pictureNathan Hammer

Back To Basics: API 617 for Compressors

API 617 is a voluntary standard published by the American Petroleum Institute (API) that specifies minimum requirements for axial compressors, single-shaft and integrally geared process centrifugal compressors, and expander-compressors for use in the petroleum, chemical, and gas industries services that handle air or gas.


The standard is intended to ensure the safety, reliability, and performance of these compressors. It covers a wide range of topics, including:

  • Design and construction requirements

  • Materials selection

  • Testing and inspection requirements

  • Performance requirements

  • Operation and maintenance recommendations


API 617 is one of the most widely used compressor standards in the world. It is accepted by many oil and gas companies, engineering firms, and equipment manufacturers.


The standard is divided into three parts:

  • Part 1: General Requirements

  • Part 2: Nonintegrally Geared Centrifugal and Axial Compressors

  • Part 3: Integrally Geared Centrifugal Compressors


Part 1 contains information pertinent to all equipment covered by the other parts of the document.


Part 2 specifies requirements for nonintegrally geared centrifugal and axial compressors, in addition to the general requirements specified in API 617, Part 1.


Part 3 specifies requirements for integrally geared centrifugal compressors.



API 617 is updated on a regular basis to reflect advances in technology and industry best practices. The latest edition of the standard was published in 2023.


Here are some of the benefits of using API 617 compressors:

  • Increased safety and reliability

  • Improved performance and efficiency

  • Reduced maintenance costs

  • Extended equipment life

  • Compliance with industry standards


If you are involved in the selection, operation, or maintenance of compressors in the petroleum, chemical, or gas industries, it is important to be familiar with API 617.

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