Warning: None of these fully replace API 688 for contractual compliance. Use them only for preliminary education.
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The primary purpose of API 688 is to provide a standardized framework for the design, testing, and documentation of reciprocating compressor valves used in natural gas and gasoline service. The standard aims to ensure that compressor valves are reliable, efficient, and safe for use in various applications. Warning: None of these fully replace API 688
Why do organizations like the API charge for standards? The fees associated with documents like API 688 fund the committees of industry experts who research, debate, and write these standards. They fund the testing required to validate safety procedures. Clicking on these links can infect your network
Unfortunately, API standards are not freely available for download. The American Petroleum Institute (API) sells its standards, including API 688, through its website or through authorized distributors. However, you can purchase the standard or obtain a copy through a library or subscription service.
Released by the American Petroleum Institute, this standard complements other API pump standards, most notably (Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries) and API 682 (Pumps—Shaft Sealing Systems for Centrifugal and Rotary Pumps).
API 688 is a standard published by the American Petroleum Institute (API) that provides guidelines for the design, fabrication, testing, and documentation of reciprocating compressor valves. The standard is titled "Reciprocating Compressors for Natural Gas and Gasoline Service".