The standard does not use a "one-size-fits-all" limit. Instead, it differentiates based on:
Zone A = good, Zone B = acceptable for long-term operation.
These units are typically found in general water utility, HVAC, or light industrial manufacturing environments. iso 10816-7 pdf download
Vibration values in this zone indicate a high risk of imminent mechanical damage or catastrophic failure (e.g., seal failure, bearing seizure, shaft breakage). The pump should be shut down immediately for repairs. Key Technical Aspects of ISO 10816-7
between ISO 10816 (non-rotating parts) and ISO 20816 (the newer consolidated standard framework). The standard does not use a "one-size-fits-all" limit
ISO 10816-7 is an international standard titled "Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 7: Rotodynamic pumps for industrial applications, including measurements on rotating shafts."
The core utility of the ISO 10816-7 standard lies in its four-zone classification system. These zones help maintenance teams quickly diagnose whether a pump is running safely or requires immediate intervention. Vibration values in this zone indicate a high
: High risk of catastrophic structural damage; immediate shutdown required. Key Benefits of Using ISO 10816-7
The primary source for the most current version of ISO 10816-7:2009 .