The primary goal is to avoid the coincidence of mechanical natural frequencies with significant pulsation or excitation frequencies to prevent resonance-related failures. Availability:
To protect your system assets, engineering teams rely heavily on —the premier global authority for pulsation and vibration control.
Note: API 688 is currently in its 1st or 2nd Edition depending on your purchase date. Always check the revision history in the PDF. api 688 pdf
The official document outlines the minimum technical parameters for modeling, diagnosing, and testing acoustic and structural mechanics across a variety of positive displacement machinery systems, including: Reciprocating Positive Displacement Pumps Rotary Screw Compressors 2. Core Technical Architecture of the API 688 Document
Officially titled "Pumps—Torsional Vibration Analysis," was first published to address a specific, dangerous gap in rotating equipment reliability. The primary goal is to avoid the coincidence
If you are looking to download the official PDF for a project, keep the following in mind: Review of API 618 & 688 Editions | PDF - Scribd
Price (as of 2025): Approximately for members (API member companies get a discount) and $250–$350 USD for non-members. After payment, the PDF is available for immediate download. Always check the revision history in the PDF
This comprehensive article explains what API 688 covers, why it was created, who must comply, and—most importantly—how to obtain the legitimate PDF version of the standard without risking counterfeit or outdated copies.
: Primarily used in petroleum, chemical, and natural gas industry services. Key Technical Contents The standard is generally divided into two main parts: Description Part 1 Fundamentals
Go to the official API website: . Use the search bar and type “API 688.”
(Reciprocating, Controlled Volume, and Rotary; ref. API 674/675/676). 🏗️ Analysis & Design Approaches